P0C29 – Electric Transmission Fluid Pump Motor Current High

P0C29 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0C29 Possible Causes

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

P0C29 Description

The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. The Transmission Control Module (TCM) monitors the Electronic Transmission Fluid Auxiliary Pump Control Circuit. The TCM sets the OBDII code when the Electronic Transmission Fluid Auxiliary Pump Control Circuit signal is out of factory specifications.