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 79 (OBJECT DETECTION SYSTEM - PARK ASSIST SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0958, B0959, B0960, OR B0961CIRCUIT/SYSTEM VERIFICATION
2013 Buick Regal Turbo Premium, Standard Trans
Circuit/System Verification
2013 Buick Regal Turbo Premium, Standard TransSECTION Circuit/System Verification
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.
- Verify that DTC B1405 is not present.
- If DTC is present, refer to DTC B1405 .
- Verify that DTC B0958 01, B0959 01, B0960 01 or B0961 01 is not present.
- If DTC is present, check the appropriate sensor for contamination with mud, ice or snow. If no contamination is diagnosed, refer to Circuit/System Testing .
- Verify that DTC B0958 21, B0959 21, B0960 21 or B0961 21 is not present.
- If DTC is present, check the appropriate sensor for contamination with mud, ice or snow. If no contamination is diagnosed, replace the sensor.
- Verify that DTC B0958 3A, B0959 3A, B0960 3A or B0961 3A is not present.
- If DTC is present, replace the appropriate sensor with a sensor of correct sensor type.
- Ignition ON, transmission in REVERSE, verify the scan tool Parking Assist System Status parameter displays Enabled.
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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.