Motorcycle Diagnostic Codes
Motorcycle diagnostic trouble codes explained.
Understand motorcycle diagnostic codes and error messages. Get causes, symptoms, and solutions for Harley-Davidson, Yamaha, Honda, and Kawasaki motorcycles.
Motorcycle Diagnostic Codes
P0101 – Mass Air Flow Sensor Circuit Range/Performance
MAF sensor circuit issue
Motorcycle Diagnostic Codes
P0102 – Mass Air Flow Sensor Circuit Low Input
MAF sensor low input
Motorcycle Diagnostic Codes
P0103 – Mass Air Flow Sensor Circuit High Input
MAF sensor high input
Motorcycle Diagnostic Codes
P0111 – Intake Air Temperature Sensor Circuit Range/Performance
IAT sensor circuit issue
Motorcycle Diagnostic Codes
P0112 – Intake Air Temperature Sensor Circuit Low Input
IAT sensor low input
Motorcycle Diagnostic Codes
F1 – Fuel Injection System Error
Fuel injection system error
Motorcycle Diagnostic Codes
F2 – Throttle Position Sensor Error
TPS error detected
Motorcycle Diagnostic Codes
F3 – Intake Air Pressure Sensor Error
IAP sensor error
Motorcycle Diagnostic Codes
F4 – Engine Coolant Temperature Sensor Error
ECT sensor error
Motorcycle Diagnostic Codes
F5 – Ignition System Error
Ignition system error
Motorcycle Diagnostic Codes
FI – Fuel Injection Warning
Fuel injection system warning
Motorcycle Diagnostic Codes
ECT – Engine Coolant Temperature Warning
Coolant temperature warning
Motorcycle Diagnostic Codes
OIL – Oil Pressure Warning
Oil pressure warning
Motorcycle Diagnostic Codes
BATT – Battery Warning
Battery voltage warning
Motorcycle Diagnostic Codes
ABS – Anti-lock Brake System Warning
ABS system warning
Motorcycle Diagnostic Codes
FI-1 – Fuel Injection Error 1
Fuel injection system error
Motorcycle Diagnostic Codes
FI-2 – Fuel Injection Error 2
Fuel injection system error 2
Motorcycle Diagnostic Codes
ECT-1 – Engine Coolant Temperature Error
Coolant temperature sensor error
Motorcycle Diagnostic Codes
TPS-1 – Throttle Position Sensor Error
TPS error detected
Motorcycle Diagnostic Codes
IGN-1 – Ignition System Error
Ignition system error
Motorcycle Diagnostic Codes
P0120 – Throttle Position Sensor Circuit Malfunction
Throttle Position Sensor Circuit Malfunction
Motorcycle Diagnostic Codes
P0120 – Throttle Position Sensor Circuit Malfunction
Throttle Position Sensor Circuit Malfunction
Motorcycle Diagnostic Codes
P0121 – Throttle Position Sensor Circuit Range/Performance Problem
Throttle Position Sensor Circuit Range/Performance Problem
Motorcycle Diagnostic Codes
P0121 – Throttle Position Sensor Circuit Range/Performance Problem
Throttle Position Sensor Circuit Range/Performance Problem
Motorcycle Diagnostic Codes
P0122 – Throttle Position Sensor Circuit Low Input
Throttle Position Sensor Circuit Low Input
Motorcycle Diagnostic Codes
P0122 – Throttle Position Sensor Circuit Low Input
Throttle Position Sensor Circuit Low Input
Motorcycle Diagnostic Codes
P0123 – Throttle Position Sensor Circuit High Input
Throttle Position Sensor Circuit High Input
Motorcycle Diagnostic Codes
P0123 – Throttle Position Sensor Circuit High Input
Throttle Position Sensor Circuit High Input
Motorcycle Diagnostic Codes
P0130 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0130 – O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0131 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0131 – O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0132 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0132 – O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0133 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0133 – O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0134 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0134 – O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0135 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0135 – O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
Motorcycle Diagnostic Codes
P0171 – System Too Lean (Bank 1)
System Too Lean (Bank 1)
Motorcycle Diagnostic Codes
P0171 – System Too Lean (Bank 1)
System Too Lean (Bank 1)
Motorcycle Diagnostic Codes
P0172 – System Too Rich (Bank 1)
System Too Rich (Bank 1)
Motorcycle Diagnostic Codes
P0172 – System Too Rich (Bank 1)
System Too Rich (Bank 1)
Motorcycle Diagnostic Codes
P0201 – Injector Circuit Malfunction - Cylinder 1
Injector Circuit Malfunction - Cylinder 1
Motorcycle Diagnostic Codes
P0201 – Injector Circuit Malfunction - Cylinder 1
Injector Circuit Malfunction - Cylinder 1
Motorcycle Diagnostic Codes
P0202 – Injector Circuit Malfunction - Cylinder 2
Injector Circuit Malfunction - Cylinder 2
Motorcycle Diagnostic Codes
P0202 – Injector Circuit Malfunction - Cylinder 2
Injector Circuit Malfunction - Cylinder 2
Motorcycle Diagnostic Codes
P0203 – Injector Circuit Malfunction - Cylinder 3
Injector Circuit Malfunction - Cylinder 3
Motorcycle Diagnostic Codes
P0203 – Injector Circuit Malfunction - Cylinder 3
Injector Circuit Malfunction - Cylinder 3
Motorcycle Diagnostic Codes
P0204 – Injector Circuit Malfunction - Cylinder 4
Injector Circuit Malfunction - Cylinder 4
Motorcycle Diagnostic Codes
P0204 – Injector Circuit Malfunction - Cylinder 4
Injector Circuit Malfunction - Cylinder 4
Motorcycle Diagnostic Codes
P0300 – Random/Multiple Cylinder Misfire Detected
Random/Multiple Cylinder Misfire Detected
Motorcycle Diagnostic Codes
P0300 – Random/Multiple Cylinder Misfire Detected
Random/Multiple Cylinder Misfire Detected
Motorcycle Diagnostic Codes
P0301 – Cylinder 1 Misfire Detected
Cylinder 1 Misfire Detected
Motorcycle Diagnostic Codes
P0301 – Cylinder 1 Misfire Detected
Cylinder 1 Misfire Detected
Motorcycle Diagnostic Codes
P0302 – Cylinder 2 Misfire Detected
Cylinder 2 Misfire Detected
Motorcycle Diagnostic Codes
P0302 – Cylinder 2 Misfire Detected
Cylinder 2 Misfire Detected
Motorcycle Diagnostic Codes
P0303 – Cylinder 3 Misfire Detected
Cylinder 3 Misfire Detected
Motorcycle Diagnostic Codes
P0303 – Cylinder 3 Misfire Detected
Cylinder 3 Misfire Detected
Motorcycle Diagnostic Codes
P0304 – Cylinder 4 Misfire Detected
Cylinder 4 Misfire Detected
Motorcycle Diagnostic Codes
P0304 – Cylinder 4 Misfire Detected
Cylinder 4 Misfire Detected
Motorcycle Diagnostic Codes
P0401 – Exhaust Gas Recirculation Flow Insufficient Detected
Exhaust Gas Recirculation Flow Insufficient Detected
Motorcycle Diagnostic Codes
P0401 – Exhaust Gas Recirculation Flow Insufficient Detected
Exhaust Gas Recirculation Flow Insufficient Detected
Motorcycle Diagnostic Codes
P0402 – Exhaust Gas Recirculation Flow Excessive Detected
Exhaust Gas Recirculation Flow Excessive Detected
Motorcycle Diagnostic Codes
P0402 – Exhaust Gas Recirculation Flow Excessive Detected
Exhaust Gas Recirculation Flow Excessive Detected
Motorcycle Diagnostic Codes
P0420 – Catalyst System Efficiency Below Threshold (Bank 1)
Catalyst System Efficiency Below Threshold (Bank 1)
Motorcycle Diagnostic Codes
P0420 – Catalyst System Efficiency Below Threshold (Bank 1)
Catalyst System Efficiency Below Threshold (Bank 1)
Motorcycle Diagnostic Codes
P0430 – Catalyst System Efficiency Below Threshold (Bank 2)
Catalyst System Efficiency Below Threshold (Bank 2)
Motorcycle Diagnostic Codes
P0430 – Catalyst System Efficiency Below Threshold (Bank 2)
Catalyst System Efficiency Below Threshold (Bank 2)
Motorcycle Diagnostic Codes
P0440 – Evaporative Emission Control System Malfunction
Evaporative Emission Control System Malfunction
Motorcycle Diagnostic Codes
P0440 – Evaporative Emission Control System Malfunction
Evaporative Emission Control System Malfunction
Motorcycle Diagnostic Codes
P0441 – Evaporative Emission Control System Incorrect Purge Flow
Evaporative Emission Control System Incorrect Purge Flow
Motorcycle Diagnostic Codes
P0441 – Evaporative Emission Control System Incorrect Purge Flow
Evaporative Emission Control System Incorrect Purge Flow
Motorcycle Diagnostic Codes
P0442 – Evaporative Emission Control System Leak Detected (Small Leak)
Evaporative Emission Control System Leak Detected (Small Leak)
Motorcycle Diagnostic Codes
P0442 – Evaporative Emission Control System Leak Detected (Small Leak)
Evaporative Emission Control System Leak Detected (Small Leak)
Motorcycle Diagnostic Codes
P0443 – Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Motorcycle Diagnostic Codes
P0443 – Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Motorcycle Diagnostic Codes
P0445 – Evaporative Emission Control System Purge Control Valve Circuit Shorted
Evaporative Emission Control System Purge Control Valve Circuit Shorted
Motorcycle Diagnostic Codes
P0445 – Evaporative Emission Control System Purge Control Valve Circuit Shorted
Evaporative Emission Control System Purge Control Valve Circuit Shorted
Motorcycle Diagnostic Codes
P0455 – Evaporative Emission Control System Leak Detected (Gross Leak)
Evaporative Emission Control System Leak Detected (Gross Leak)
Motorcycle Diagnostic Codes
P0455 – Evaporative Emission Control System Leak Detected (Gross Leak)
Evaporative Emission Control System Leak Detected (Gross Leak)
Motorcycle Diagnostic Codes
P0500 – Vehicle Speed Sensor Malfunction
Vehicle Speed Sensor Malfunction
Motorcycle Diagnostic Codes
P0500 – Vehicle Speed Sensor Malfunction
Vehicle Speed Sensor Malfunction
Motorcycle Diagnostic Codes
P0505 – Idle Air Control System Malfunction
Idle Air Control System Malfunction
Motorcycle Diagnostic Codes
P0505 – Idle Air Control System Malfunction
Idle Air Control System Malfunction
Motorcycle Diagnostic Codes
P0506 – Idle Air Control System RPM Lower Than Expected
Idle Air Control System RPM Lower Than Expected
Motorcycle Diagnostic Codes
P0506 – Idle Air Control System RPM Lower Than Expected
Idle Air Control System RPM Lower Than Expected
Motorcycle Diagnostic Codes
P0507 – Idle Air Control System RPM Higher Than Expected
Idle Air Control System RPM Higher Than Expected
Motorcycle Diagnostic Codes
P0507 – Idle Air Control System RPM Higher Than Expected
Idle Air Control System RPM Higher Than Expected
Motorcycle Diagnostic Codes
P0510 – Closed Throttle Position Switch Malfunction
Closed Throttle Position Switch Malfunction
Motorcycle Diagnostic Codes
P0510 – Closed Throttle Position Switch Malfunction
Closed Throttle Position Switch Malfunction
Motorcycle Diagnostic Codes
P0601 – Internal Control Module Memory Check Sum Error
Internal Control Module Memory Check Sum Error
Motorcycle Diagnostic Codes
P0601 – Internal Control Module Memory Check Sum Error
Internal Control Module Memory Check Sum Error
Motorcycle Diagnostic Codes
P0602 – Control Module Programming Error
Control Module Programming Error
Motorcycle Diagnostic Codes
P0602 – Control Module Programming Error
Control Module Programming Error
Motorcycle Diagnostic Codes
P0603 – Internal Control Module Keep Alive Memory (KAM) Error
Internal Control Module Keep Alive Memory (KAM) Error
Motorcycle Diagnostic Codes
P0603 – Internal Control Module Keep Alive Memory (KAM) Error
Internal Control Module Keep Alive Memory (KAM) Error
Motorcycle Diagnostic Codes
P0604 – Internal Control Module Random Access Memory (RAM) Error
Internal Control Module Random Access Memory (RAM) Error
Motorcycle Diagnostic Codes
P0604 – Internal Control Module Random Access Memory (RAM) Error
Internal Control Module Random Access Memory (RAM) Error