- If lost communication or voltage DTCs exist in the PSCM or other vehicle modules, possible sources can be:
- Fuse(s)
- Wiring, terminals or connectors
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Go to PINPOINT TEST BX |
- If DTCs other than lost communication or voltage exist in the PSCM or other vehicle modules, the possible sources can be:
- Module internal fault - PSCM
- Module internal fault - other modules
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- If no DTCs are present in the PSCM or other vehicle modules, the concern could be indicated by a TSB or a SSM.
- TSBs existing for concern
- GSBs existing for concern
- SSMs existing for concern
- FSAs existing for concern
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