Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
B0016:01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
B0016:02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
B0016:04 Left Roof Rail Deployment Loop Stage 1 Open
B0016:0D Left Roof Rail Deployment Loop Stage 1 High Resistance
B0016:0E Left Roof Rail Deployment Loop Stage 1 Low Resistance
To diagnose the B0016 GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
During a side or 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 an inflatable restraint module. There are 2 shorting bars used within the module connector which will short together both high and low circuits, when the connector is disconnected. This will help to prevent unwanted deployment of the inflator module during servicing.
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