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Chevrolet Silverado / GMC Sierra. Manual - part 2217
Fig. 10: Communication Signals and Controls
Courtesy of GENERAL MOTORS CORP.
VIDEO SYSTEM SCHEMATICS
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 11: Display Power, Ground and Video Signals
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
Fig. 12: Audio Signals
Courtesy of GENERAL MOTORS CORP.
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC CODE INDEX
DIAGNOSTIC CODE INDEX
DTC
Description
DTC B0000
B0000 5A: Vehicle Speed Information Circuit Plausibility
Failure
DTC B1024
B1024 11: Circuit Board Temperature Sensor Above Maximum
Threshold
DTC B1025, B1035,
B1045, or B1055
B1025 01: Audio Output 1 Left Front Circuit Short to Battery
B1025 02: Audio Output 1 Left Front Circuit Short to Ground
B1025 04: Audio Output 1 Left Front Circuit Open
B1035 01: Audio Output 2 Right Front Circuit Short to Battery
B1035 02: Audio Output 2 Right Front Circuit Short to Ground
B1035 04: Audio Output 2 Right Front Circuit Open
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
DIAGNOSTIC STARTING POINT - CELLULAR, ENTERTAINMENT, AND NAVIGATION
Begin the system diagnosis with the Diagnostic System Check - Vehicle . The Diagnostic
System Check - Vehicle will provide the following information:
B1045 01: Audio Output 3 Left Rear Circuit Short to Battery
B1045 02: Audio Output 3 Left Rear Circuit Short to Ground
B1045 04: Audio Output 3 Left Rear Circuit Open
B1055 01: Audio Output 4 Right Rear Circuit Short to Battery
B1055 02: Audio Output 4 Right Rear Circuit Short to Ground
B1055 04: Audio Output 4 Right Rear Circuit Open
DTC B1259
B1259 02: Antenna Ground Circuit Short to Ground
B1259 05: Antenna Ground Circuit Short to Battery or Open
DTC B1287
B1287 01: Amplifier Control Signal Circuit Short to Battery
B1287 02: Amplifier Control Signal Circuit Short to Ground
B1287 04: Amplifier Control Signal Circuit Open
DTC B1288
B1288 01: Video Display Mode Control Signal Short to
Battery
B1288 02: Video Display Mode Control Signal Short to
Ground
B1288 04: Video Display Mode Control Signal Open Circuit
DTC B1289
B1289 01: Video Display Brightness Control Signal Short to
Battery
B1289 02: Video Display Brightness Control Signal Short to
Ground
B1289 04: Video Display Brightness Control Signal Open
Circuit
DTC B2455
B2455 04: Cellular Phone Microphone Circuit Malfunction
Open Circuit
DTC B2462
B2462: Global Positioning System (GPS) Signal Error
DTC B2470
B2470 00: Cellular Phone Antenna Circuit Malfunction
DTC B2474
B2474 07: Navigation Display Head Backlighting Performance
DTC B2476 or B2482
B2476 00: Cellular Phone Select Service Switch
B2482 00: Cellular Phone Select Service Switch
Range/Performance
DTC B2483 or B2484
B2483 00: Global Positioning System (GPS) Antenna
Malfunction Short to Ground
B2484 00: Global Positioning System (GPS) Antenna
Malfunction Open Circuit
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Cellular, Entertainment, and Navigation - Cab & Chassis Sierra, Cab & Chassis
Silverado, Sierra & Silverado
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