Silverado 1500 4WD V8-6.0L Hybrid (2009)
1. Ignition OFF, disconnect the harness connector at the steering wheel controls switch - left.
2. Ignition ON, verify that a test lamp illuminates between the signal circuit terminal 9 and B+.
‹› If the test lamp does not illuminate, test the signal circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace
the BCM.
3. If all circuits test normal, test or replace the steering wheel controls switch - left.
Repair Instructions
Perform theDiagnostic Repair Verification (See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble
Code Tests and Associated Procedures/Verification Tests and Procedures) after completing the diagnostic procedure.
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Steering Wheel Control Switch Assembly Replacement (See: Accessories and Optional Equipment/Sensors and Switches - Accessories and
Optional Equipment/Steering Mounted Controls Assembly/Service and Repair)
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Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup, and programming
