Engine-Codes - Dodge - B1812 Dodge

B1812 Dodge Code - Passenger Door Ajar Circuit Short

- Code Popularity: 515 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC B1812 Dodge?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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)

Code Tech Notes

B1812-11 PASSENGER DOOR AJAR CIRCUIT SHORT TO GROUND
B1812-15 PASSENGER DOOR AJAR CIRCUIT SHORT TO BATTERY OR OPEN

⚠ Does your Dodge have Safety Recalls? → Check here

How to Fix the DTC B1812 Dodge?

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.

Search for B1812 Dodge Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the B1812 Dodge 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.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B1812 Dodge Code Mean?

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.

B1812 Dodge Code - Passenger Door Ajar Circuit Short

Need more Information on the Code?

Need more information on how to fix the B1812 Dodge code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1812 Dodge code diagnosed by a professional: Find a repair shop in your area