OBD II Fault Code

  • OBD II P073C

OBD-II Code Transmission may not shift properly is defined as a Stuck in Gear 7

The automatic transmission matches the engine optimum power and torque characteristics to the driver's desired rate of acceleration and speed by auto-selecting different gear ratios or 'speeds' to power the wheels. If the Transmission gets stuck in Seventh Gear, code P073C will set.

Transmission may not shift properly Symptoms

  • Increased fuel consumption
  • Transmission may not shift properly

Common Problems That Trigger the P073C Code

  • Internal transmission failure
  • Transmission Control Module (TCM) failure
  • Transmission valve body solenoid failure
  • Wiring issue
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