B0016 CADILLAC Possible Causes
- Faulty left roof rail module
- Left roof rail module harness is open or shorted
- Poor electrical connection in the left roof rail module circuit
- Faulty Sensing and Diagnostic Module (SDM)
How to Fix B0016 CADILLAC Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Technical Notes
DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold
Possible Symptoms
- Airbag warning light illuminated
B0016 CADILLAC Meaning
During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the airbag system will allow current to flow through the deployment loop to deploy an airbag restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent accidental deployment of the inflatable module during maintenance.