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Chevrolet Silverado / GMC Sierra. Manual - part 2690
Fig. 6: 8-Way Power (AN3)
Courtesy of GENERAL MOTORS CORP.
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC CODE INDEX
DIAGNOSTIC CODE INDEX
DTC
Description
DTC B1335
B1335 00: Device Power 3 Circuit
B1335 0B: Device Power 3 Circuit Current Above Threshold
B1335 42: Device Power 3 Circuit Calibration Data Set Not
Programed
B1335 4B: Device Power 3 Circuit Calibration Not Learned
DTC B1395
B1395 02: Device Voltage Reference Output Circuit Shorted
to Ground
B1395 05: Device Voltage Reference Output Circuit Shorted
to Battery or Open
DTC B1735, B1740,
B1735 01: Driver Seat Front Up Switch Circuit Short to
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
B1745, B1750, B1755,
B1760, B1815, or B1820
Battery
B1740 01: Driver Seat Front Down Switch Circuit Short to
Battery
B1745 01: Driver Seat Rear Up Switch Circuit Short to
Battery
B1750 01: Driver Seat Rear Down Switch Circuit Short to
Battery
B1755 01: Driver Seat Assembly Horizontal Forward Switch
Circuit Short to Battery
B1760 01: Driver Seat Assembly Horizontal Rearward Switch
Circuit Short to Battery
B1815 01: Driver Seat Recline Forward Switch Circuit Short
to Battery
B1820 01: Driver Seat Recline Rearward Switch Circuit Short
to Battery
DTC B1825, B1850,
B1860, B2355, B2365, or
B2375
B1825 01: Driver Seat Recline Position Sensor Circuit Short to
Battery
B1825 06: Driver Seat Recline Position Sensor Circuit Short to
Ground or Open
B1825 5A: Driver Seat Recline Position Sensor Circuit
Plausibility Failure
B1850 01: Driver Seat Lumbar Horizontal Position Sensor
Circuit Short to Battery
B1850 06: Driver Seat Lumbar Horizontal Position Sensor
Circuit Short to Ground or Open
B1850 5A: Driver Seat Lumbar Horizontal Position Sensor
Circuit Plausibility Failure
B1860 01: Driver Seat Lumbar Vertical Position Sensor
Circuit Short to Battery
B1860 06: Driver Seat Lumbar Vertical Position Sensor
Circuit Short to Ground or Open
B1860 5A: Driver Seat Lumbar Vertical Position Sensor
Circuit Plausibility Failure
B2355 01: Driver Seat Front Vertical Position Sensor Circuit
Short to Battery
B2355 06: Driver Seat Front Vertical Position Sensor Circuit
Short to Ground or Open
B2355 5A: Driver Seat Front Vertical Position Sensor Circuit
Plausibility Failure
B2365 01: Driver Seat Rear Vertical Position Sensor Circuit
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
DIAGNOSTIC STARTING POINT - SEATS
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 B1335
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 B1335 00
Device Power 3 Circuit
Short to Battery
B2365 06: Driver Seat Rear Vertical Position Sensor Circuit
Short to Ground or Open
B2365 5A: Driver Seat Rear Vertical Position Sensor Circuit
Plausibility Failure
B2375 01: Driver Seat Assembly Horizontal Position Sensor
Circuit Short to Battery
B2375 06: Driver Seat Assembly Horizontal Position Sensor
Circuit Short to Ground or Open
B2375 5A: Driver Seat Assembly Horizontal Position Sensor
Circuit Plausibility Failure
DTC B3920 or B3921
B3920 01: Group 1 Seat Motors Circuit Shorted to Battery or
Open
B3920 02: Group 1 Seat Motors Circuit Shorted to Ground
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
DTC B1335 0B
Device Power 3 Circuit Current Above Threshold
DTC B1335 42
Device Power 3 Circuit Calibration Data Set Not Programed
DTC B1335 4B
Device Power 3 Circuit Calibration Not Learned
Diagnostic Fault Information
Circuit
Short to
Ground
Open/High
Resistance
Short to
Voltage
Signal
Performance
Driver Seat Front Vertical
Motor Down Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Front Vertical
Motor Up Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Rear Vertical
Motor Down Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Rear Vertical
Motor Up Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Horizontal Motor
Forward Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Horizontal Motor
Rearward Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Recline Motor
Forward Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Recline Motor
Rearward Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Lumbar Motor Up
Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Lumbar Motor
Down Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Lumbar Motor
Forward Control
B3920 02
1
B3920 01
B1335 00
B1335 0B
Driver Seat Lumbar Motor
B1335 00
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Power Seats - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
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