P0685 Diagnostic Trouble Code Discussion for December 2022
ASD Relay Control Circuit Malfunction
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| Help Request | Posted | |
| 2020 Ford F-550 Super Duty 7.3L No Start, No crank VIN: 1FDUF5HN9L P0685: Pcm/ power relay circuit. This ones tough bc there is NO info on IDFix for this chassis. Im thinking PCM relay power issue or ignition switch but cant find any wiring schematics.With key on while scanning,headlamps,fuel gauge & PRNDL indicator will intermittently come & go.... |
December 07, 2022 |
