DTC P1489: PCV Heater Control Circuit
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. 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 HG: Positive Crankcase Ventilation (PCV) System STEP HG4. | ||