DTC P1489: PCV Heater Control Circuit
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1489 - PCV HEATER CONTROL CIRCUIT
| Description: | This DTC sets when the powertrain control module (PCM) detects a positive crankcase ventilation (PCV) heater circuit failure. | ||
| Possible Causes: |
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| Diagnostic Aids: | Make sure the PCV valve is correct for the engine application and the PCV heater circuit is properly connected. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HG . | ||