Diagnostic Code Index

2013 Buick Regal Turbo Premium, Standard TransSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX

DTC Description
DTC C005B  DTC C005B Power Steering Softstops Learn
DTC C0176  DTC C0176 54 Control Module Temperature Sensor High Temperature
DTC C044A  DTC C044A 71 Steering System Engine Speed Signal Circuit Invalid Data
DTC C0450  DTC C0450 01 Steering Assist Control Actuator Circuit Short to Battery
DTC C0450 02 Steering Assist Control Actuator Circuit Short to Ground
DTC C0450 04 Steering Assist Control Actuator Circuit Open
DTC C0456  DTC C0456 4B Steering Position Sensor Calibration not Learned
DTC C0475  DTC C0475 00 Electric Steering Motor Circuit Malfunction
DTC C0475 59 Electric Steering Motor Circuit Protection Time-Out
DTC C047A  DTC C047A Electric Steering Motor Position Sensor Circuit Malfunction
DTC C0545  DTC C0545 Steering Wheel Torque Sensor Malfunction
DTC C0565  DTC C0565 5A Vehicle Identification Number Not Plausible
DTC C0569  DTC C0569 3A System Configuration Incorrect Component Installed
DTC C0710  DTC C0710 71 Steering Position Signal Invalid Data
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.