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 9 (WIRING SYSTEMS AND POWER MANAGEMENT - DIAGNOSTIC INFORMATION AND PROCEDURES)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 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0978, B097B, or B097C | B0978 01: Power Mode Accessory Indicator Control Circuit Short to Battery B0978 02: Power Mode Accessory Indicator Control Circuit Short to Ground B0978 04: Power Mode Accessory Indicator Control Circuit Open B097B 00: Power Mode Start Switch Circuit Malfunction B097B 02: Power Mode Start Switch Circuit Short to Ground B097B 04: Power Mode Start Switch Circuit Open B097B 08: Power Mode Start Switch Circuit Performance - Signal Invalid B097B 61: Power Mode Start Switch Circuit - Stuck B097C 01: Power Mode Run/Start Circuit Indicator Short to Battery B097C 02: Power Mode Run/Start Circuit Indicator Short to Ground B097C 04: Power Mode Run/Start Indicator Circuit Open |
| DTC B1370-B1379, B1380-B1389, or B1440-B1443 | B1370 01: Control Module Ignition On and Start Circuit Short to Battery B1370 04: Control Module Ignition On and Start Circuit Open B1380 01: Control Module Ignition Accessory Circuit Short to Battery B1380 04: Control Module Ignition Accessory Circuit Open B1441 01: Control Module Ignition Off, Run, and Start Circuit Short to Battery B1441 04: Control Module Ignition Off, Run, and Start Circuit Open |
| DTC B1445 | B1445 02: Control Module Voltage Output Circuit Short to Ground |
| DTC B144A | B144A 02: RUN Power Relay Circuit Short to Ground |
| DTC B144B | B144B 02: RUN/CRNK Relay Circuit Short to Ground |
| DTC B1451 | B1451 01: Accessory Power Circuit Short to Voltage B1451 02: Accessory Power Circuit Short to Ground B1451 04: Accessory Power Circuit Open/High Resistance |
| DTC B147E | B147E 02: Battery Saver Relay Set Secondary Circuit Short to Ground |
| DTC B147F | B147F 02: Battery Saver Relay Reset Secondary Circuit Short to Ground |
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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.