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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 781 (HYBRID/EV CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B009FDTC DESCRIPTORS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

DTC Descriptors

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION DTC Descriptors
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
DTC B009F 00

High Voltage Crash Impact Detection Sensor 1 No Additional Information

DTC B009F 11

High Voltage Crash Impact Detection Sensor 1 Above Maximum Threshold

DTC B009F 12

High Voltage Crash Impact Detection Sensor 1 Below Minimum Threshold

DTC B009F 39

High Voltage Crash Impact Detection Sensor 1 Internal Electronic Failure

DTC B009F 3A

High Voltage Crash Impact Detection Sensor 1 Incorrect Component Installed

DTC B009F 4A

High Voltage Crash Impact Detection Sensor 1 Checksum Error

DTC B009F 73

High Voltage Crash Impact Detection Sensor 1 Parity Error

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.