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Trailer Lamps

SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description Perform Test
B2070 Trailer Tow Relay Coil(s) Circuit Failure If the LH trailer stoplamp is inoperative, go to Pinpoint Test Z .
If the RH trailer stoplamp is inoperative, go to Pinpoint Test AA .
All other DTCs - REFER to MULTIFUNCTION ELECTRONIC MODULES article.
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