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Symptom: *NO RESPONSE FROM WINDOW REGULATOR MODULE - PT27 POSSIBLE CAUSES OPEN GROUND CIRCUIT OPEN FUSED B+ CIRCUIT OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN PCI BUS CIRCUIT WINDOW REGULATOR MODULE TEST ACTION APPLICABILITY 1 Turn the ignition off. All Yes → Go To 2 No → Repair the ground circuit for an open. Perform BODY VERIFICATION TEST - VER 1. 2 Turn the ignition off. All Yes → Go To 3 No → Check the fuses that feed the Fused B+ circuits for an open. If ok, repair the Fused B+ circuit that did not illuminate the test light 3 Turn the ignition off. All Yes → Go To 4 No → Repair the Fused Ignition Switch Output circuit for an open. Perform BODY VERIFICATION TEST - VER 1. 195 COMMUNICATION |