OBD II Fault Code

  • OBD II P0375

OBD-II Code Decreased engine performance is defined as a Timing Reference High Resolution Signal "B"

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 P0375.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Engine may not start

Common Problems That Trigger the P0375 Code

  • Crankshaft Position Sensor (CKP) failure
  • Fuel injection control module (FICM) failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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