DTC P0689: Electronic Control Module (ECM)/Powertrain Control Module (Pcm) Power Relay Sense Circuit Low
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.
P0689 - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) POWER RELAY SENSE CIRCUIT LOW
| Description: | This diagnostic trouble code (DTC) sets when the passive anti theft system (PATS) system indicates the ignition key is in ON or START position and the ignition switch position run (ISP-R) circuit indicates OFF, ACC, or LOCK position. | ||
| Possible Causes: |
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| Diagnostic Aids: | Diagnose and repair all PATS DTCs first. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test B . | ||