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HOMESERVICE MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 175 (WIRING SYSTEMS AND POWER MANAGEMENT - DTC DIAGNOSTICS, TROUBLESHOOTING AND CONNECTOR REPAIR)DIAGNOSTIC INFORMATION AND PROCEDURESPOWER MODE MISMATCHDTC DESCRIPTORS
2011 GMC Savana Special 4.8 A

DTC Descriptors

2011 GMC Savana Special 4.8 ASECTION DTC Descriptors
WARNING: This page is about a different car, the 2011 GMC Savana and 2011 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1370 01

Device Ignition 1 (ON and START) Circuit Short to Battery

DTC B1370 06

Device Ignition 1 (ON and START) Circuit Short to Ground or Open

DTC B1380 01

Device Ignition ACCESSORY Circuit Short to Battery

DTC B1380 06

Device Ignition ACCESSORY Circuit Short to Ground or Open

DTC B1440 00

Power Mode Master Input Circuits Mismatch

DTC B1441 01

Device Ignition OFF, RUN, and CRANK Circuit Short to Battery

DTC B1441 06

Device Ignition OFF, RUN, and CRANK Circuit Short to Ground or Open

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.