P0C20 - Auxiliary Transmission Fluid Pump Phase U-V-W Circuit/Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

P0C20 Possible Causes

  • Faulty Auxiliary Transmission Fluid Pump
  • Auxiliary Transmission Fluid Pump harness is open or shorted
  • Auxiliary Transmission Fluid Pump circuit poor electrical connection

First diagnose P0C20 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

Cost of diagnosing the P0C20 code

    Labor: 1.0

    The cost of diagnosing the P0C20 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P0C20 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0C20 Meaning

The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump. The ECM sets the OBDII code when the Auxiliary Transmission is not to factory specifications.
OBDII Code P0C20 - Auxiliary Transmission Fluid Pump Phase U-V-W Circuit/Open - Engine-Codes.com

P0C20 More Information

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