P0372
PowertrainCrankshaft Camshaft Positionmoderate severityTiming Reference High Resolution Signal A Too Few Pulses
What P0372 Means
The PCM received fewer high resolution timing pulses than expected on signal A. This may indicate a missing tooth on the tone ring or sensor issue.
Symptoms
- Check engine light on
- Poor performance
- Rough idle or misfire
Common Causes
- Damaged or worn tone ring
- Faulty timing sensor
- Excessive air gap
- Wiring fault
Diagnostic Steps
- Retrieve stored codes
- Inspect tone ring for missing teeth
- Measure sensor air gap
- Replace sensor if defective
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