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 32 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B0012 OR B0013CIRCUIT/SYSTEM TESTING
2013 Buick Regal Turbo Premium, Standard Trans
Circuit/System Testing
2013 Buick Regal Turbo Premium, Standard TransSECTION Circuit/System Testing
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.
- Ignition OFF, disconnect the scan tool and disconnect the harness connector at the F107 steering wheel air bag.
- Wait for 120 seconds and then test for greater than 25 Ξ© between the control circuit terminal 1 and the control circuit terminal 2.
- If less than the specified range, test for a short between the control circuits, check each connector and CPA to ensure the shorting bars are lifted. If the circuits and shorting bars tests normal, replace the K36 SDM.
- Ignition ON, test for less than 11 V between the control circuit terminals listed below and ground:
- Control circuit terminal 1
- Control circuit terminal 2
- If greater than the specified range, test the control circuit for a short to voltage. If the circuit tests normal, replace the K36 SDM.
- Ignition OFF, test for greater than 25 Ξ© between the control circuit terminals listed below and ground:
- Control circuit terminal 1
- Control circuit terminal 2
- If less than the specified range, test the steering wheel air bag coil for a short to ground and the control circuit for a short to ground. If the circuit tests normal, replace the K36 SDM.
- Install a 3 A fused jumper wire between the control circuit terminal 1 and the control circuit terminal 2.
- Ignition ON, observe the scan tool Deployment Loop Resistance parameter while turning the steering wheel 360 degrees in one direction then back 360 degrees in the other direction. Verify the scan tool Deployment Loop Resistance parameter is consistently less than 2 Ξ©.
- If the reading is erratic while turning the steering wheel, replace the X85 steering wheel air bag coil.
- If greater than the specified range, test the steering wheel air bag coil and the control circuit terminals 1 and 2 for an open/high resistance. If the steering wheel air bag coil and the control circuits test normal, replace the K36 SDM.
- If all circuits test normal, replace the F107 steering wheel air bag.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.