Troubleshooting steps
Diagnose P0604 using service manual, check related sensors and wiring, repair or replace faulty components
Motorcycle Diagnostic Codes
P0604 – Internal Control Module Random Access Memory (RAM) Error
Internal Control Module Random Access Memory (RAM) Error
Details
Internal Control Module Random Access Memory (RAM) Error detected on Harley-Davidson motorcycle. This diagnostic trouble code indicates a problem that requires attention.
Error typeerror
MeaningInternal Control Module Random Access Memory (RAM) Error
Typical causesSensor failure, wiring issue, component malfunction, system fault
SolutionsDiagnose P0604 using service manual, check related sensors and wiring, repair or replace faulty components
Severitymedium
Catalog references
Where this appears
Harley-DavidsonP0604
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What does P0604 mean on Harley-Davidson?
P0604 on Harley-Davidson indicates internal control module random access memory (ram) error. Consult service manual for specific diagnosis procedures.
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