BMW DTC P0373 – Timing Reference High Resolution Signal ‘A’ Intermittent/Erratic Pulses
DTC P0373 meaning on BMW
DTC P0373 on a BMW indicates an issue with the Timing Reference High Resolution Signal ‘A’ being intermittent or erratic. This signal is crucial for the engine control module to accurately determine the engine’s timing.
BMW DTC P0373 symptoms
Symptoms of DTC P0373 on a BMW may include:
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Engine stalling
- Illuminated check engine light
BMW DTC P0373 causes
Common causes of DTC P0373 on a BMW include:
- Faulty crankshaft position sensor
- Wiring or connection issues in the timing reference signal circuit
- Engine timing chain or belt problems
- Engine control module (ECM) issues
BMW DTC P0373 seriousness
Ignoring DTC P0373 on a BMW can lead to potential engine performance issues and further damage. It is recommended to address this fault promptly to prevent more severe problems.
How to diagnose DTC P0373 on BMW
To diagnose DTC P0373 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data.
- Inspect the crankshaft position sensor and its wiring for any visible damage.
- Check the engine timing components for proper alignment and condition.
- Test the timing reference signal circuit for continuity and proper voltage.
How to fix DTC P0373 on BMW
To fix DTC P0373 on a BMW, you can try the following solutions:
- Replace the faulty crankshaft position sensor if found defective.
- Repair any damaged wiring or connections in the timing reference signal circuit.
- Address any issues with the engine timing chain or belt.
- If necessary, reprogram or replace the engine control module (ECM).
How to erase DTC P0373 on BMW
To erase DTC P0373 on a BMW, you can clear the fault code using a diagnostic scanner. After fixing the underlying issue causing the fault code, clearing it will reset the check engine light and monitor the system for any recurring problems.