Start by checking 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.
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
The cost to diagnose the B0016 Cadillac code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops 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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