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Home >> GMC >> 2001 >> Safari Van 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Accessories and Optional Equipment >> Antitheft and Alarm Systems >> Keyless Entry >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Keyless Entry System Inoperative

Keyless Entry System Inoperative

TEST DESCRIPTION

Steps 1-12:




Steps 13-25:




The numbers below refer to the step numbers on the diagnostic table.
15. This step verifies that the keyless entry serial data circuit voltage is B+ as supplied by the BCM.
16. This step tests for a short to voltage in the keyless entry serial data circuit.