P0654
Engine Speed Output Circuit
Generic code
Computer Output Circuit
High severity
Hard repair
Free on OBD DashX
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What P0654 means
- The fault code P0654 indicates that there is an issue with the engine RPM output circuit. This may cause various issues with the engine's performance.
Possible symptoms
- Illuminated check engine light
- Engine misfires or stumbles
- Poor fuel economy
- Engine stalls or will not start at all
- Reduced engine power or acceleration
Possible causes
- Faulty engine RPM sensor
- Damaged or corroded wiring in the RPM sensor circuit
- Loose or corroded electrical connections in the RPM sensor circuit
- Failed engine control module (ECM)
Related parts
- Engine Speed Sensor:
Possible solutions
- Replace the faulty RPM sensor
- Check and repair damaged or corroded wiring in the RPM sensor circuit
- Clean or tighten any loose or corroded electrical connections in the RPM sensor circuit
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0654 on OBD DashX
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