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Symptom: REAR DEFOGGER RELAY OPEN When Monitored and Set Condition: REAR DEFOGGER RELAY OPEN When Monitored: With the ignition in the run position. Set Condition: The rear defogger relay output of the BCM does not have battery voltage. POSSIBLE CAUSES FUSED B(+) CKT SHORTED TO GROUND REAR DEFOGGER RELAY OUTPUT CKT SHORTED TO GROUND PDC FUSE #2 OPEN FUSED B(+) CKT OPEN REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFOGGER RELAY CONTROL SHORT TO GROUND. JUNCTION BLOCK BODY CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition off. All Yes → No → 2 Turn the ignition off. All Yes → Repair the Fused B(+) circuit for a short to ground. No → 219 ELECTRICALLY HEATED SYSTEMS |