Code P1372 Chevrolet Description
Chevrolet code P1372 indicates a problem with the correlation between crankshaft position sensor A and sensor B. The crankshaft position sensor is an essential component of the engine management system, as it helps the engine control module (ECM) determine the position of the crankshaft and the speed at which it is rotating. This information is crucial for proper fuel and ignition timing, as well as for other engine functions.
Common Causes of Chevrolet Code P1372
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty crankshaft position sensor
- Wiring issues or loose connections
- Sensor alignment or mounting problems
- Timing chain or belt issues
- ECM software or hardware problems
Symptoms of P1372 Chevrolet
- Rough idle or engine misfires
- Difficulty starting the engine
- Reduced fuel efficiency
- Engine stalling
- Illumination of the check engine light
How to Fix Chevrolet Code P1372
- Diagnose the problem – Use a scan tool to check for the P1372 code and perform a visual inspection of the crankshaft position sensors and associated wiring.
- Replace the crankshaft position sensor – If the sensor is found to be faulty, replace it with a new one following the manufacturer’s recommendations.
- Check wiring and connections – Inspect the wiring harness for any damage or corrosion and ensure all connections are secure.
- Check sensor alignment – Ensure the crankshaft position sensors are properly aligned and mounted according to the manufacturer’s specifications.
- Clear the code and test – After performing the necessary repairs, clear the diagnostic codes from the ECM and test the vehicle to ensure the issue has been resolved.