B1812 Dodge 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 Dodge 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 Dodge Description
What are the Possible Causes of the DTC B1812 Dodge?
- 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 Dodge?
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 Dodge 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 Dodge Code
1. What are the common symptoms of OBDII code B1812 for a Dodge related to the Passenger Door Ajar Circuit Short?
The common symptoms include the interior lights staying on, the door ajar warning light appearing on the dashboard, and potential issues with the power door locks.
2. What are the possible causes of OBDII code B1812 indicating a Passenger Door Ajar Circuit Short in a Dodge?
Possible causes include a faulty door ajar switch, damaged wiring or connectors in the circuit, or issues with the body control module.
3. How can I diagnose the Passenger Door Ajar Circuit Short issue causing OBDII code B1812 in my Dodge?
You can diagnose the problem by visually inspecting the door ajar switch, checking the wiring harness and connectors for damage, and using a multimeter to test the continuity of the circuit.
4. Can I repair the Passenger Door Ajar Circuit Short problem associated with OBDII code B1812 in my Dodge myself?
Depending on your experience with automotive repairs, you may be able to fix the issue by replacing the faulty door ajar switch, repairing damaged wiring, or resetting the body control module. If in doubt, consult a professional mechanic.
5. How urgent is it to address OBDII code B1812 related to the Passenger Door Ajar Circuit Short in a Dodge?
While the issue may not affect the drivability of the vehicle, it is important to address it promptly to prevent potential electrical problems and ensure the proper functioning of the door ajar system.
6. Is it safe to continue driving my Dodge with OBDII code B1812 indicating a Passenger Door Ajar Circuit Short?
It is generally safe to drive the vehicle with this code, but you may experience inconvenience due to the interior lights staying on or the door ajar warning light being illuminated. Consider addressing the issue at your earliest convenience.
7. Will resetting the OBDII code B1812 for the Passenger Door Ajar Circuit Short in my Dodge solve the problem?
Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the circuit short. It is recommended to diagnose and repair the problem to prevent future occurrences.
8. Can extreme weather conditions affect the occurrence of OBDII code B1812 related to the Passenger Door Ajar Circuit Short in a Dodge?
Extreme temperatures or moisture can potentially exacerbate electrical issues in the door ajar circuit, leading to the triggering of this fault code. Ensure proper insulation and protection of wiring in such conditions.
9. How much does it typically cost to repair OBDII code B1812 for the Passenger Door Ajar Circuit Short in a Dodge?
The cost of repairs can vary depending on the specific cause of the issue, but it may involve replacing the door ajar switch, repairing wiring, or resetting the body control module. Expect costs to range from a few hundred to over a thousand dollars.
10. Are there any preventive measures I can take to avoid encountering OBDII code B1812 related to the Passenger Door Ajar Circuit Short in my Dodge?
Regularly inspecting the door ajar system components, keeping connectors clean and secure, and addressing any electrical issues promptly can help prevent the occurrence of this fault code.
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