P1815

P1815 OBD Code Definition:
Transmission Fluid Pressure Switch – Invalid Gear Selection
P1815 OBD Code Description:

Possible Causes

  • Wiring from/to Pressure Control Valve 1 Short to Plus
  • Pressure Control Valve 1 faulty

Possible Solutions

  • Check Wiring from/to Pressure Control Valve 1
  • Check Pressure Control Valve 1
  • Check Measuring Blocks

Special Notes

  • Pressure Control Valve 1  might be referred to as Solenoid Valve 4
  • Start with checking connectors for corrosion or water damage, in case of 01V transmission pay special attention to 16-pin connector between valve body and wiring harness.

 

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