Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
DTC B0012:01 Driver Frontal Deployment Loop Stage 2 Short to Battery
DTC B0012:02 Driver Frontal Deployment Loop Stage 2 Short to Ground
DTC B0012:04 Driver Frontal Deployment Loop Stage 2 Open Circuit
DTC B0012:0D Driver Frontal Deployment Loop Stage 2 High Resistance
DTC B0012:0E Driver Frontal Deployment Loop Stage 2 Low Resistance
The cost of diagnosing the B0013 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
During a frontal crash of sufficient force, the inflatable restraint Sensing and Diagnostic Module (SDM) will allow current to flow through the deployment loop in order to deploy the steering wheel air bag. The SDM performs continuous diagnostic tests on the deployment loops to check for proper circuit continuity and for shorts to ground or voltage. There are two shorting bars used within the steering wheel air bag coil connector which will short together both steering wheel air bag stage 1 high control circuit and steering wheel air bag stage 1 low control circuit and both steering wheel air bag stage 2 high control circuit and steering wheel air bag stage 2 low control circuit when the connector is disconnected. This will help to prevent unwanted deployment of the steering wheel air bag during servicing.
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