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Diagnostic Aids

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

When an adjuster motor control circuit is shorted to ground the driver seat module will also set a DTC for the affected motor.

Fig 1: Diagnostic System Check - DTC B3962 (Steps 1 - 6)
G01579158Courtesy of GENERAL MOTORS CORP.
Fig 2: Diagnostic System Check - DTC B3962 (Steps 7 - 9)
G01579159Courtesy of GENERAL MOTORS CORP.
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