DTC P0686 - ECM/PCM Power Relay Control Circuit Low
DTC DESCRIPTION P0686 - ECM/PCM POWER RELAY CONTROL CIRCUIT LOW
| Description: This DTC sets when the PCM power relay is commanded OFF and the PCMRC circuit continuity to ground time exceeds a calibrated time. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST B . | ||