Cadillac P1372: Crankshaft Position Sensor A-B Correlation

What Does The Cadillac P1372 Code Mean?

Engine cranking or running, PCM operating in Angle Based mode to decode the engine position, and the PCM detected an interruption of the CKP Sensor ‘A’ or CKP Sensor ‘B’ signal during the CCM test.

What Are The Potential Causes Of The Cadillac P1372 Code?

Below are some potential causes of this DTC:

• CKP Sensor ‘B’ signal circuit is open, shorted to ground or shorted to system power (an intermittent fault may be present)
• CKP Sensor ‘B’ is damaged or has failed (an intermittent fault)
• ICM is damaged or has failed (an intermittent fault)

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> ACDelco 213-3520 GM Original Equipment Engine Crankshaft Position Sensor
>>> ENA Ignition Control Module Compatible with Cadillac

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.