B1818 Chrysler Code - Rear Passenger Door Ajar Circuit Short
Quick Answer
The Body Control Module (BCM) monitors the Rear Passenger 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
- B1818 Chrysler indicates Rear 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 B1818 Chrysler Description
What are the Possible Causes of the DTC B1818 Chrysler?
- Faulty Door Ajar Switch Sense
- Door Ajar Switch Sense harness is open or shorted
- Door Ajar Switch Sense circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1818 Chrysler?
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
B1818-15 REAR PASSENGER DOOR AJAR CIRCUIT SHORT TO BATTERY OR OPEN
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1818 Chrysler 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 B1818 Chrysler Code
1. What are the common symptoms of OBDII code B1818 Chrysler related to the rear passenger door ajar circuit short?
The common symptoms include the rear passenger door indicator staying on when the door is closed, interior lights staying on, and potential issues with power door locks.
2. What are the possible causes of OBDII code B1818 Chrysler indicating a rear passenger door ajar circuit short?
Possible causes include a faulty door ajar switch, damaged wiring in the door jamb, a malfunctioning body control module (BCM), or a short circuit in the wiring harness.
3. How can I diagnose the issue causing OBDII code B1818 Chrysler for the rear passenger door ajar circuit short?
You can diagnose the issue by visually inspecting the door ajar switch and wiring, performing a continuity test on the switch, checking the BCM for faults, and using a scan tool to monitor sensor readings.
4. Can I repair OBDII code B1818 Chrysler related to the rear passenger door ajar circuit short myself?
Depending on your level of expertise, you may be able to repair the issue yourself by replacing the door ajar switch, repairing damaged wiring, or resetting the BCM. However, seeking professional help is recommended for complex issues.
5. Are there any temporary fixes for OBDII code B1818 Chrysler until I can get the rear passenger door ajar circuit short repaired?
You can try manually locking the door to override the sensor, disconnecting the battery to reset the BCM, or using electrical tape to secure loose wiring temporarily. However, these are not permanent solutions.
6. How important is it to address OBDII code B1818 Chrysler indicating a rear passenger door ajar circuit short promptly?
It is important to address the issue promptly to prevent draining the vehicle's battery, potential safety hazards due to interior lights staying on, and to ensure proper functioning of the door locks.
7. Can OBDII code B1818 Chrysler for the rear passenger door ajar circuit short cause any other electrical problems in the vehicle?
Yes, if left unresolved, the issue can potentially cause other electrical problems such as BCM malfunctions, power door lock failures, and issues with the vehicle's lighting system.
8. Is it safe to continue driving with OBDII code B1818 Chrysler related to the rear passenger door ajar circuit short?
While it may be safe to drive in the short term, it is not recommended to ignore the issue as it can lead to electrical malfunctions and safety hazards. It is best to address the problem as soon as possible.
9. How long does it typically take to repair OBDII code B1818 Chrysler for the rear passenger door ajar circuit short?
The repair time can vary depending on the specific cause of the issue, but it may take anywhere from 1-3 hours for a professional technician to diagnose and fix the problem.
10. Will resetting the OBDII system clear the B1818 Chrysler code for the rear passenger door ajar circuit short?
Resetting the OBDII system may temporarily clear the code, but it will likely return if the underlying issue is not addressed. It is important to diagnose and repair the root cause of the problem to prevent the code from reappearing.
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