Passenger Door Ajar Circuit Short
Table of contents
B1812 JEEP Possible Causes
- Faulty Door Ajar Switch Sense
- Door Ajar Switch Sense harness is open or shorted
- Door Ajar Switch Sense circuit poor electrical connection
- Faulty Door Latch Assembly
- Faulty Body Control Module (BCM)
How do I fix code B1812 JEEP?
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
- B1812-11 PASSENGER DOOR AJAR CIRCUIT SHORT TO GROUND
- B1812-15 PASSENGER DOOR AJAR CIRCUIT SHORT TO BATTERY OR OPEN
Cost of diagnosing the B1812 JEEP code
The cost of diagnosing the B1812 JEEP 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
- Engine Light ON (or Service Engine Soon Warning Light)
B1812 JEEP Description
The Body Control Module (BCM) monitors the Door Ajar Switch Sense. The BCM sets the OBDII code when it detects a short to ground, voltage or open on the Door Ajar Switch Sense circuit.