P0372 OBD-II: Timing Reference High Resolution Signal "A" Too Few Pulses
Get diagnosis and repair information for trouble code P0372
OBD II Fault Code
- OBD II P0372
OBD-II Code Decreased engine performance is defined as a Timing Reference High Resolution Signal "A" Too Few Pulses
The engine control module (PCM) sends a duplicate signal of the crankshaft position sensor (CKP) to the Fuel Injection Control Module (FICM). If the signal to the FICM becomes corrupt, the PCM will set code P0372.
Decreased engine performance Symptoms
- Decreased engine performance
- Engine may not start
Common Problems That Trigger the P0372 Code
- Crankshaft Position Sensor (CKP) failure
- Fuel injection control module (FICM) failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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