DTC P1229: Charge Air Cooler (CAC) Pump Driver

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P1229 - CHARGE AIR COOLER (CAC) PUMP DRIVER

Description:	The charge air cooler (CAC) pump driver DTC sets when the powertrain control module (PCM) commands the supercharger intercooler pump to operate but no current is detected.
Possible Causes:	Pump motor open circuit. Pump relay coil open Open circuit between the relay and pump Pump motor shorted Open circuit between the PCM and the relay Poor pump ground connection
Diagnostic Aids:	Check for voltage at the relay. Check the fuse in the voltage circuit. Check the ground connection of the pump motor. The PID reading is on/off.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test KP .