B1572 MERCURY - Door Ajar Left Right Switch Circuit Open
B1572 MERCURY Possible Causes
- Faulty Door Ajar Left Right Switch
- Door Ajar Left Right Switch harness is open or shorted
- Door Ajar Left Right Switch circuit poor electrical connection
- Faulty Smart Junction Box (SJB)
How is the B1572 MERCURY code repair?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.
What is the cost to diagnose the B1572 MERCURY code
Labor: 1.0The cost to diagnose the B1572 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
B1572 MERCURY MeaningThe Smart Junction Box (SJB) sends a voltage signal to the door ajar switches. The door ajar switch is closed with the door closed. When the door is opened, the signal to ground is interrupted indicating an open door to the SJB. The Diagnostic Trouble Code (DTC) sets when the SJB detects an open from the LH rear door ajar input circuit.
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