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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 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

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 .
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