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 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0689: - ELECTRONIC CONTROL MODULE (ECM)/POWERTRAIN CONTROL MODULE (PCM) POWER RELAY SENSE CIRCUIT LOW
| Description: | This DTC sets when the passive anti-theft system (PATS) system indicates the ignition 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 . | ||