DTC Descriptors

2025 Chevrolet Equinox RS, 4WDSECTION DTC Descriptors
DTC U3000 44

Control Module - Data Memory Malfunction

DTC U3000 49

Control Module - Internal Malfunction

DTC U3000 4B

Control Module - High Temperature

DTC U3000 51

Control Module - Not Programmed

DTC U3000 54

Control Module - Missing Setup/Learn

Symptom Byte Information: Symptom Byte List

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.