B11D8:36 Restraint Event Notification Signal Frequency Too Low
B11D8:37 Restraint Event Notification Signal Frequency Too High
B11D8:38 Restraint Event Notification Signal Frequency Incorrect
B11D8:11 Restraint Event Notification Circuit Short to Ground
B11D8:15 Restraint Event Notification Circuit Short to Battery or Open
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 pins.
The cost to diagnose the B11D8 Mercury code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Battery Energy Control Module (BECM) monitors the impact notification output from the Restraint Control Module (RCM). The RCM outputs a Pulse Width Modulation (PWM) voltage on the circuit based on status. If the BECM senses the frequency is out of range, will illuminate the powertrain malfunction (wrench) warning indicator and set a Diagnostic Trouble Code (DTC).
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