Diagnostic Code Index

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC C0000  Vehicle Speed Information Circuit
DTC C0475  Steering Position and Rate of Change Sensor Circuit High
DTC C0476  Electric Steering Motor Circuit Range/Performance
DTC C0545  Steering Wheel Torque Input Sensor
DTC C0551  Option Configuration Error
DTC C0847  Device Ignition 1 Circuit Low
DTC C0848  Device Ignition 1 Circuit High
DTC C0896  Device Voltage Range/Performance
DTC C0899  Device 1 Voltage Low
DTC C0900  Device 1 Voltage High
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.