P0370
Timing Reference High Resolution Signal A Malfunction
Generic code
Ignition System
High severity
Moderate repair
Free on OBD DashX
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What P0370 means
- The P0370 fault code indicates that there is an issue with the high-resolution signal A that is used to control the engine's timing. This can cause issues with engine performance and may prevent the engine from starting.
Possible symptoms
- Engine may not start
- Rough idle or stalling
- Reduced engine power or acceleration
- Illuminated check engine light
Possible causes
- Faulty high
- resolution signal A sensor
- Wiring issues in the high
- resolution signal A circuit
- Failed or malfunctioning engine control module (ECM)
Related parts
- Timing Reference Optical Sensor: The optical sensor monitors the pulses in the fuel injection pump. More fuel is necessary to keep the engine running correctly in this case due to the malfunctioning optical sensor
Possible solutions
- Replace the faulty high
- resolution signal A sensor
- Check for and repair any damage to wiring in the circuit
- Replace the engine control module (ECM) if it is found to be faulty
Free on OBD DashX
P0370 on OBD DashX
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