OBD II Fault Code

  • OBD II P0874

OBD-II Code Transmission may not shift properly is defined as a Transmission Fluid Pressure Sensor/Switch "C" Circuit Intermittent

The Transmission Fluid Pressure Sensor tells the Transmission control module (TCM) the pressure of the fluid going through the transmission. When the TCM detects an incorrect signal from the Transmission Pressure Sensor, it sends a signal to the engine control module (PCM) to set code P0874.

Transmission may not shift properly Symptoms

  • Increased fuel consumption
  • Transmission may not shift properly

Common Problems That Trigger the P0874 Code

  • Transmission Control Module (TCM) failure
  • Transmission fluid pressure sensor failure
  • Wiring issue
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