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Fig. 6: Door Lock, Window and Lighting System References
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 7: Outside Rearview Mirror References
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 8: Heated Seat References DIAGNOSTIC INFORMATION AND PROCEDURES DIAGNOSTIC CODE INDEX DIAGNOSTIC CODE INDEX DIAGNOSTIC STARTING POINT - VEHICLE ACCESS DTC Description DTC B1023 B1023 00: Integral Switch Performance DTC B3125 B3125 00: Driver Door Only Unlock Circuit DTC B3130 B3130 00: All Door Unlock Circuit DTC B3135 B3135 00: All Door Lock Circuit DTC B3140, B3145, B3140: Driver Unlock Switch Circuit B3145: Passenger Unlock Switch Circuit B3150: Driver Lock Switch Circuit B3155: Right Front Lock Switch Circuit
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Begin the system diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic The identification of the control modules which command the system. The ability of the control modules to communicate through the serial data circuit. The identification of any stored diagnostic trouble codes (DTCs) and their status. The use of the Diagnostic System Check will identify the correct procedure for diagnosing the DTC B1023 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach Diagnostic Procedure Instructions provides an overview of each diagnostic category DTC Descriptor DTC B1023 00 Integral Switch Performance Circuit/System Description The driver and passenger door lock and side window switches are integrated control module Conditions for Running the DTC Battery voltage must be between 9-16 volts. Conditions for Setting the DTC The driver or passenger door module receives simultaneous active signals from both sides of an Action Taken When the DTC Sets The driver or passenger door module ignores inputs from the malfunctioning switch. Conditions for Clearing the DTC
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Vehicle Access - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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