B1812 RAM Code - Passenger Door Ajar Circuit Short
Quick Answer
The Body Control Module (BCM) monitors the Door Ajar Switch Sense. Common causes include Faulty Door Ajar Switch Sense, Door Ajar Switch Sense harness is open or shorted, Door Ajar Switch Sense circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1812 RAM indicates Passenger Door Ajar Circuit Short .
- Common causes
- Common causes include Faulty Door Ajar Switch Sense, Door Ajar Switch Sense harness is open or shorted, Door Ajar Switch Sense circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1812 RAM Description
What are the Possible Causes of the DTC B1812 RAM?
- 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 to Fix the DTC B1812 RAM?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B1812-15 PASSENGER DOOR AJAR CIRCUIT SHORT TO BATTERY OR OPEN
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1812 RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1812 RAM Code
1. What are the common symptoms of OBDII code B1812 RAM related to the Passenger Door Ajar Circuit Short?
- Common symptoms include a warning light on the dashboard indicating a door ajar, interior lights staying on while driving, and issues with power door locks.
2. What are the possible causes of OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short?
- Possible causes include a faulty door ajar sensor, damaged wiring in the door jamb, a short circuit in the door ajar circuit, or a problem with the body control module.
3. How can I diagnose the OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short?
- Diagnose the code by visually inspecting the door ajar sensor and wiring, conducting a continuity test on the circuit, and using a scan tool to check for fault codes in the body control module.
4. Are there any simple troubleshooting steps I can take for OBDII code B1812 RAM related to the Passenger Door Ajar Circuit Short?
- Yes, you can start by manually checking if the door is securely closed, inspecting the door latch for any obstructions, and cleaning the door ajar sensor to ensure proper contact.
5. What are the repair options for fixing OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short?
- Repair options may involve replacing the faulty door ajar sensor, repairing damaged wiring, addressing any short circuits, or reprogramming the body control module if necessary.
6. Can driving with OBDII code B1812 RAM related to the Passenger Door Ajar Circuit Short cause any further damage to the vehicle?
- Driving with this code may not necessarily cause further damage, but it can lead to issues like draining the battery due to lights staying on or compromising the security of the vehicle.
7. How much does it typically cost to repair OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short?
- The cost of repair can vary depending on the specific issue, but it may range from around $100 for a simple sensor replacement to a few hundred dollars for more extensive wiring repairs.
8. Can I reset the OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short myself?
- You can attempt to reset the code by using an OBDII scanner to clear the fault codes after addressing the underlying issue causing the code to appear.
9. Are there any preventive measures to avoid encountering OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short in the future?
- Regularly checking and maintaining the door ajar sensors, keeping the door jambs clean and free of debris, and addressing any issues with door latches promptly can help prevent this code from reoccurring.
10. Is OBDII code B1812 RAM for the Passenger Door Ajar Circuit Short a common issue in certain vehicle makes and models?
- This code can be more prevalent in vehicles with power door locks and advanced interior lighting systems, but it may occur in various makes and models that utilize door ajar sensors.
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