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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1493 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0091DTC 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 does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DTC B0091 00

Front End Sensor 3 No Additional Information (Center)

DTC B0091 01

Front End Sensor 3 Short to Battery (Center)

DTC B0091 02

Front End Sensor 3 Short to Ground (Center)

DTC B0091 05

Front End Sensor 3 Short to Battery or Open (Center)

DTC B0091 0F

Front End Sensor 3 Erratic (Center)

DTC B0091 39

Front End Sensor 3 Internal Electronic Failure (Center)

DTC B0091 3A

Front End Sensor 3 Incorrect Component Installed (Center)

DTC B0091 71

Front End Sensor 3 Invalid Serial Data Received (Center)

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.