P1489 - PCV Heater Control Circuit
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1489 - PCV HEATER CONTROL CIRCUIT
| Description: | A DTC sets when the PCM detects a 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 HG: Positive Crankcase Ventilation (PCV) System STEP 8 | ||