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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1656 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P1229: Charge Air Cooler (CAC) Pump Driver

DTC P1229: Charge Air Cooler (CAC) Pump Driver

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DTC P1229: CHARGE AIR COOLER (CAC) PUMP DRIVER

Description:  This DTC sets when the powertrain control module (PCM) commands the supercharger CAC pump to operate but no current is detected.
Possible Causes: 
  • CAC pump motor open circuit
  • CAC pump relay coil open
  • Open circuit between the relay and pump
  • CAC pump motor short
  • Open circuit between the PCM and the relay
  • Poor CAC pump ground connection
Diagnostic Aids:  Check for voltage at the relay. Check the fuse in the voltage circuit. Check the ground connection of the CAC pump motor.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST KP .
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