OBD2 Codes
Car diagnostic codes explained for DIY mechanics.
Understand what your check engine light means. Get causes, symptoms, severity, and first steps to diagnose common OBD2 error codes.
OBD2 Codes
P0171 – System Too Lean (Bank 1)
Air/fuel mixture too lean on bank 1; commonly vacuum leaks or a dirty MAF
OBD2 Codes
P0174 – System Too Lean (Bank 2)
Mirror to P0171 on bank 2; usually shares the same root cause.
OBD2 Codes
P0300 – Random Misfire Detected
Multiple cylinders misfiring; can be spark plugs coils or fuel delivery.
OBD2 Codes
P0301 – Cylinder 1 Misfire Detected
Cylinder 1 is misfiring; check spark plug coil and injector.
OBD2 Codes
P0302 – Cylinder 2 Misfire Detected
Cylinder 2 is misfiring; check spark plug coil and injector.
OBD2 Codes
P0303 – Cylinder 3 Misfire Detected
Cylinder 3 is misfiring; check spark plug coil and injector.
OBD2 Codes
P0420 – Catalyst System Efficiency Below Threshold (Bank 1)
Catalytic converter efficiency is below threshold; often caused by upstream issues.
OBD2 Codes
P0430 – Catalyst System Efficiency Below Threshold (Bank 2)
Catalytic converter efficiency is below threshold on bank 2.
OBD2 Codes
P0442 – Evaporative Emission Control System Leak Detected (Small Leak)
Small leak detected in EVAP system; check gas cap first.
OBD2 Codes
P0445 – Evaporative Emission Control System Purge Control Valve Circuit Shorted
EVAP purge valve circuit issue; check wiring and valve.
OBD2 Codes
P0455 – Evaporative Emission Control System Leak Detected (Large Leak)
Large leak detected in EVAP system; check hoses and connections.
OBD2 Codes
P0172 – System Too Rich (Bank 1)
Air/fuel mixture too rich on bank 1; check fuel pressure and injectors.
OBD2 Codes
P0175 – System Too Rich (Bank 2)
Air/fuel mixture too rich on bank 2.
OBD2 Codes
P0128 – Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
Engine not reaching proper operating temperature; thermostat likely stuck open.
OBD2 Codes
P0117 – Engine Coolant Temperature Sensor Circuit Low Input
Coolant temperature sensor reading too low; check sensor and wiring.
OBD2 Codes
P0200 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0201 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0202 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0203 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0204 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0205 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0206 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0207 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0208 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0209 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0210 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0211 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0212 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0213 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0214 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0215 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0216 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0217 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0218 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0219 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0220 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0221 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0222 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0223 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0224 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0225 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0226 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0227 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0228 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0229 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0230 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0231 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0232 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0233 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0234 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0235 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0236 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0237 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0238 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0239 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0240 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0241 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0242 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0243 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0244 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0245 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0246 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0247 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0248 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0249 – P02XX – Fuel/Air Metering
P02XX – Fuel/Air Metering related diagnostic code
OBD2 Codes
P0304 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0305 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0306 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0307 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0308 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0309 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0310 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0311 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0312 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0313 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0314 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0315 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0316 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0317 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0318 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0319 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0320 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0321 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0322 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0323 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0324 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0325 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0326 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0327 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0328 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0329 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0330 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0331 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0332 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0333 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0334 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0335 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0336 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0337 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0338 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0339 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0340 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0341 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0342 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0343 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0344 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0345 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0346 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0347 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0348 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0349 – P03XX – Ignition System or Misfire
P03XX – Ignition System or Misfire related diagnostic code
OBD2 Codes
P0400 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0401 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0402 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0403 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0404 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0405 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0406 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0407 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0408 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0409 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0410 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0411 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0412 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0413 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0414 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0415 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0416 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0417 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0418 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0419 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0421 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0422 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0423 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0424 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0425 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0426 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0427 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0428 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0429 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0431 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0432 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0433 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0434 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0435 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0436 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0437 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0438 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0439 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0440 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0441 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0443 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0444 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0446 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0447 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0448 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0449 – P04XX – Auxiliary Emission Controls
P04XX – Auxiliary Emission Controls related diagnostic code
OBD2 Codes
P0500 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0501 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0502 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0503 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0504 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0505 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0506 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0507 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0508 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0509 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0510 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0511 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0512 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0513 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0514 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0515 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0516 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0517 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0518 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0519 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0520 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0521 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0522 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0523 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0524 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0525 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0526 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0527 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0528 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0529 – P05XX – Vehicle Speed Control and Idle Control
P05XX – Vehicle Speed Control and Idle Control related diagnostic code
OBD2 Codes
P0600 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0601 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0602 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0603 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0604 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0605 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0606 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0607 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0608 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0609 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0610 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0611 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0612 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0613 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0614 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0615 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0616 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0617 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0618 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0619 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0620 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0621 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0622 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0623 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0624 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0625 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0626 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0627 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0628 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
P0629 – P06XX – Computer Output Circuit
P06XX – Computer Output Circuit related diagnostic code
OBD2 Codes
B0000 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0001 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0002 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0003 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0004 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0005 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0006 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0007 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0008 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0009 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0010 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0011 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0012 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0013 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0014 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0015 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0016 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0017 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0018 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0019 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0020 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0021 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0022 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0023 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0024 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0025 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0026 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0027 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0028 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0029 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0030 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0031 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0032 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0033 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0034 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0035 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0036 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0037 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0038 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0039 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0040 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0041 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0042 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0043 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0044 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0045 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0046 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0047 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0048 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
B0049 – B00XX – Body Codes
B00XX – Body Codes related diagnostic code
OBD2 Codes
C0000 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0001 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0002 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0003 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0004 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0005 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0006 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0007 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0008 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0009 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0010 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0011 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0012 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0013 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0014 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0015 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0016 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0017 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0018 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0019 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0020 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0021 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0022 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0023 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0024 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0025 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0026 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0027 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0028 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0029 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0030 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0031 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0032 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0033 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0034 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0035 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0036 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0037 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0038 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0039 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0040 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0041 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0042 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0043 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0044 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0045 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0046 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0047 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0048 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
C0049 – C00XX – Chassis Codes
C00XX – Chassis Codes related diagnostic code
OBD2 Codes
U0000 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0001 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0002 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0003 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0004 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0005 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0006 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0007 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0008 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0009 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0010 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0011 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0012 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0013 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0014 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0015 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0016 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0017 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0018 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0019 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0020 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0021 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0022 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0023 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0024 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0025 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0026 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0027 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0028 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0029 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0030 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0031 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0032 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0033 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0034 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0035 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0036 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0037 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0038 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0039 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0040 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0041 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0042 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0043 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0044 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0045 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0046 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0047 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0048 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
U0049 – U00XX – Network Communication
U00XX – Network Communication related diagnostic code
OBD2 Codes
P0100 – Mass Air Flow (MAF) Circuit Malfunction
MAF sensor circuit problem
OBD2 Codes
P0101 – MAF Sensor Range/Performance
MAF sensor reading out of range
OBD2 Codes
P0102 – MAF Sensor Circuit Low Input
MAF sensor reading too low
OBD2 Codes
P0103 – MAF Sensor Circuit High Input
MAF sensor reading too high
OBD2 Codes
P0105 – Manifold Absolute Pressure (MAP) Circuit Malfunction
MAP sensor circuit problem
OBD2 Codes
P0106 – MAP Sensor Range/Performance
MAP sensor reading out of range
OBD2 Codes
P0107 – MAP Sensor Circuit Low Input
MAP sensor reading too low
OBD2 Codes
P0108 – MAP Sensor Circuit High Input
MAP sensor reading too high
OBD2 Codes
P0110 – Intake Air Temperature (IAT) Sensor Circuit Malfunction
IAT sensor circuit problem
OBD2 Codes
P0112 – IAT Sensor Circuit Low Input
IAT sensor reading too low
OBD2 Codes
P0113 – IAT Sensor Circuit High Input
IAT sensor reading too high
OBD2 Codes
P0116 – Engine Coolant Temperature (ECT) Sensor Range/Performance
ECT sensor reading out of range
OBD2 Codes
P0118 – ECT Sensor Circuit High Input
ECT sensor reading too high
OBD2 Codes
P0130 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
O2 sensor circuit problem
OBD2 Codes
P0131 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
O2 sensor voltage too low
OBD2 Codes
P0132 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
O2 sensor voltage too high
OBD2 Codes
P0133 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
O2 sensor slow response
OBD2 Codes
P0134 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
O2 sensor no activity
OBD2 Codes
P0135 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
O2 sensor heater problem
OBD2 Codes
P0136 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
O2 sensor circuit problem
OBD2 Codes
P0137 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
O2 sensor voltage too low
OBD2 Codes
P0138 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
O2 sensor voltage too high
OBD2 Codes
P0140 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
O2 sensor no activity
OBD2 Codes
P0141 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
O2 sensor heater problem