Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 178 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2013 Buick Regal Turbo Premium, Standard Trans
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 B3794 | DTC B3794 08 Cruise Control Function Request Circuit Signal Invalid DTC B3794 61 Cruise Control Function Request Circuit Actuator Stuck |
| DTC P0564, P0567, or P0568 | DTC P0564 Cruise Control Multifunction Switch Circuit DTC P0567 Cruise Control Resume Switch Circuit DTC P0568 Cruise Control Set Switch Circuit |
| DTC P0571 | DTC P0571 Cruise Control Brake Switch Circuit |
| DTC P0572 or P0573 | DTC P0572 Brake Switch Circuit 1 Low Voltage DTC P0573 Brake Switch Circuit 1 High Voltage |
| DTC P0575 | DTC P0575 Cruise Control Switch Signal Circuit |
| DTC P0703 | DTC P0703 Brake Switch Circuit 2 |
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.