OBDII Code List

B124D MERCURY - Tire Pressure Sensor General Signal Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Tire Pressure Sensor
  • Faulty Body Control Module (BCM)
  • Body Control Module (BCM) harness is open or shorted
  • Body Control Module (BCM) circuit poor electrical connection

Possible symptoms

  • Tire Pressure Monitor System (TPMS) Warning Light ON

B124d Mercury Description

The Body Control Module (BCM) monitors the Tire Pressure Sensor. The OBDII code is set by the BCM in continuous memory when 1, 2 or 3 of the tire pressure sensors are faulted or not responding, or when data is not received by the BCM.
OBDII Code B124d Mercury - Tire Pressure Sensor General Signal Failure -

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