Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1447 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1000DTC DESCRIPTORS

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

DTC Descriptors

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION DTC Descriptors

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

DTC B1000 00: Electronic Control Unit (ECU) Performance No Additional Information Available
DTC B1000 04: Side Object Detection Performance - RAM Failure
DTC B1000 08: Electronic Control Unit (ECU) Performance Signal Invalid
DTC B1000 12: Electronic Control Unit (ECU) Performance Below Minimum Threshold
DTC B1000 31: Electronic Control Unit (ECU) General Checksum Problem
DTC B1000 33: Electronic Control Unit (ECU) Performance Special Memory Failure
DTC B1000 34: Electronic Control Unit (ECU) Performance RAM Integrity
DTC B1000 35: Electronic Control Unit (ECU) Performance ROM Integrity
DTC B1000 36: Electronic Control Unit (ECU) Performance EEPROM Integrity
DTC B1000 37: Electronic Control Unit (ECU) Performance Watchdog / Safety Failure
DTC B1000 38: Electronic Control Unit (ECU) Performance Supervision Software Failure
DTC B1000 39: Electronic Control Unit (ECU) Performance Internal Electronic Failure
DTC B1000 43: Electronic Control Unit (ECU) Performance EEPROM Error
DTC B1000 46: Side Object Detection Performance - Invalid Configuration
DTC B1000 56: Electronic Control Unit (ECU) Performance Allowable Number of Transitions/ Events Exceeded
DTC B1000 57: Electronic Control Unit (ECU) Performance
DTC B1000 73: Electronic Control Unit (ECU) Performance Parity Error
DTC B1000 0F: Electronic Control Unit (ECU) Performance Erratic
DTC B1000 2B: Electronic Control Unit (ECU) Performance Missing Reference
DTC B1000 2C: Electronic Control Unit Performance Reserved
DTC B1000 3B: Electronic Control Unit (ECU) Performance Internal Self Test Failed
DTC B1000 3C: Electronic Control Unit (ECU) Performance Internal Communications Failure
DTC B1000 F0: Side Object Detection RF Transmit Chain Failed
DTC B1000 F1: Side Object Detection RF Receive Chain Failed

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.