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Chevrolet Silverado / GMC Sierra. Manual - part 2959
Fig. 4: Right Doors (-AN3/DL3)
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 5: Sliding Rear Window (A48)
Courtesy of GENERAL MOTORS CORP.
DEFOGGER SCHEMATICS
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 6: Defogger Schematic
Courtesy of GENERAL MOTORS CORP.
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC CODE INDEX
DIAGNOSTIC CODE INDEX
DTC
Description
DTC B0283
B0283 06: Electric Rear Defrost Circuit Short To Ground or
Open
DTC B3205
B3205 00: Window Inactive Over Current Fault
B3205 0B: Window Motor Fast Over Current Fault
DTC B3819, B3820,
B3822, or B3823
B3819 00: Left Rear Window Up Control Circuit
B3820 00: Left Rear Window Down Control Circuit
B3822 00: Right Rear Window Up Control Circuit
B3823 00: Right Rear Window Down Control Circuit
DTC B3821 or B3824
B3821 00: Left Rear Window Relay Power Circuit
B3824 00: Right Rear Window Relay Power Circuit
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
DIAGNOSTIC STARTING POINT - FIXED AND MOVEABLE WINDOWS
Begin the system diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic
System Check will provide the following information:
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
system and where the procedure is located.
DTC B0283
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 Descriptors
DTC B0283 06
Electric Rear Defrost Circuit Short To Ground or Open
Diagnostic Fault Information
Circuit/System Description
Circuit
Short to
Ground
Open/High
Resistance
Short to
Voltage
Signal
Performance
Relay Switch B+
2
2
-
-
Rear Defog Relay Control
B0283 06
B0283 06
2
-
Rear Defog Relay Ground
-
B0283 06
2
-
Rear Defogger Control
2
2
1
-
Rear Window Defogger Grid
Ground
-
2
2
-
1. Rear Defogger Always On
2. Rear Defogger Inoperative
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Fixed and Moveable Windows - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
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