DTC P1229: Charge Air Cooler (CAC) Pump Driver
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
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: |
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| 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 . | ||