Passenger Frontal Airbag Canister Vent
Table of contents
B11CF MERCURY Possible Causes
- Faulty Passenger Frontal Airbag Canister Vent
- Passenger Frontal Airbag Canister Vent harness is open or shorted
- Passenger Frontal Airbag Canister Vent circuit poor electrical connection
- Faulty Restraint Control Module (RCM)
How do I fix code B11CF MERCURY?
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.
Tech Notes
- B11CF:11 Passenger Frontal Airbag Canister Vent Circuit Short to Ground
- B11CF:12 Passenger Frontal Airbag Canister Vent Circuit Short to Battery
- B11CF:13 Passenger Frontal Airbag Canister Vent Circuit Open
- B11CF:1A Passenger Frontal Airbag Canister Vent Circuit Resistance Below Threshold
Cost of diagnosing the B11CF MERCURY code
The cost of diagnosing the B11CF MERCURY 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.
Possible Symptoms
- Air Bag Warning Light ON
B11CF MERCURY Description
The Restraint Control Module (RCM) analyzes the deployment loop resistance to determine if a fault exists. The value displayed in the PID is the deployment loop resistance measured by the RCM. If the value displayed is lower or higher than the desired range, the RCM can set a Diagnostic Trouble Code (DTC). As the deployment loop resistance drifts farther outside the desired range, the chance for a DTC increases. Small variations in resistance can occur due to the effect of road vibrations on terminal fit. Crimps and terminals can be affected by stress and harness movement and can cause an increase in resistance due to wire strain. These variables can result in an intermittent fault. For this reason, the test requires the PID value to be within the desired range before the fault is considered repaired, regardless if the module is reporting an on-demand DTC at the time of diagnosis. The OBDII code is set when the RCM senses an open or short to ground or voltage on either passenger airbag canister vent circuit for more than 6 seconds.