B1338 Code - Door Ajar Right Rear Circuit Short To Ground
Quick Answer
The B1338 diagnostic trouble code indicates that there is a short to ground in the circuit for the right rear door ajar sensor. Common causes include Corrosion or damage to the wiring harness connected to the right rear door ajar sensor, Faulty door ajar sensor in the right rear door, Short circuit caused by water ingress or physical damage to the wiring. 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
- B1338 indicates Door Ajar Right Rear Circuit Short To Ground.
- Common causes
- Common causes include Corrosion or damage to the wiring harness connected to the right rear door ajar sensor, Faulty door ajar sensor in the right rear door, Short circuit caused by water ingress or physical damage to the wiring.
- 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.
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Code B1338 Description
The B1338 diagnostic trouble code indicates that there is a short to ground in the circuit for the right rear door ajar sensor. This sensor is responsible for detecting whether the right rear door is open or closed. When a short to ground occurs, it means that the electrical current is taking an unintended path to the vehicle's chassis, causing a disruption in the sensor's functionality. This issue can lead to incorrect readings being sent to the vehicle's computer system, which may result in the door being falsely reported as being open when it is actually closed.
Common Causes of B1338
- Corrosion or damage to the wiring harness connected to the right rear door ajar sensor.
- Faulty door ajar sensor in the right rear door.
- Short circuit caused by water ingress or physical damage to the wiring.
- Issues with the vehicle's central locking system affecting the sensor's operation.
Symptoms of B1338
- Dashboard warning light indicating the right rear door is open when it is closed.
- Inability to lock the doors using the central locking system.
- Interior lights staying on when the right rear door is closed.
- Alarm system triggering intermittently due to incorrect door status readings.
How to Fix B1338
- Begin by conducting a visual inspection of the wiring harness and sensor in the right rear door to check for any visible damage or corrosion. Repair or replace any damaged components.
- Use a multimeter to test the continuity of the wiring harness to identify any shorts to ground. Repair or replace any sections of the wiring that show a short.
- Test the functionality of the door ajar sensor by manually opening and closing the right rear door while monitoring the sensor's readings. Replace the sensor if it is found to be faulty.
- Clear the diagnostic trouble codes from the vehicle's computer system using a scan tool and test the system to ensure that the issue has been resolved.
Cost to Fix B1338
The cost of repairing a B1338 code related to a door ajar right rear circuit short to ground can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the parts required for this repair, such as a new door ajar sensor or wiring harness, could range from $50 to $200. Labor costs typically range from $100 to $300, with total repair costs falling between $150 and $500. However, it is important to note that these are approximate figures and actual costs may differ based on the factors mentioned earlier. It is recommended to seek quotes from local auto repair shops for a more accurate estimate.
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Code B1338 Information for Specific Makes
- B1338 Infiniti — Front Door Satellite Sensor Right Communication Error
- B1338 Nissan — Front Door Satellite Sensor Right Communication Error
Frequently Asked Questions about B1338 Code
1. What are the common symptoms of OBDII code B1338 (Door Ajar Right Rear Circuit Short To Ground)?
The common symptoms include the right rear door ajar warning light staying on, interior lights not turning off, and potential issues with the power door locks.
2. What could cause the OBDII code B1338 to appear?
This code is typically triggered by a short to ground in the wiring of the right rear door ajar circuit, which could be caused by damaged wiring, faulty door ajar switch, or a problem with the body control module.
3. How can I diagnose the issue related to OBDII code B1338?
To diagnose the problem, you can start by visually inspecting the wiring harness, checking the right rear door ajar switch for proper functioning, and using a multimeter to test for a short to ground in the circuit.
4. Are there any quick repair tips for fixing OBDII code B1338?
Quick repair tips include checking and repairing any damaged wiring, replacing a faulty right rear door ajar switch, and resetting the body control module after making necessary repairs.
5. Can OBDII code B1338 cause any other problems in the vehicle?
While the code itself may not directly affect the vehicle's performance, leaving the issue unresolved can drain the battery due to lights staying on, and potentially lead to other electrical malfunctions.
6. Is it safe to continue driving with OBDII code B1338 present?
It is generally safe to drive with this code, but it is recommended to address the issue promptly to prevent any further electrical problems in the vehicle.
7. How much does it typically cost to repair OBDII code B1338?
The cost of repair can vary depending on the underlying cause, but it may range from $100 to $300, including parts and labor.
8. Can I reset the OBDII code B1338 without fixing the underlying issue?
While you can clear the code using an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reappearing.
9. How long does it take to repair OBDII code B1338?
The repair time can vary based on the extent of the issue and the expertise of the technician, but it typically takes around 1-2 hours to diagnose and fix the problem.
10. Will fixing OBDII code B1338 require specialized tools or expertise?
While basic automotive repair knowledge is helpful, fixing this code may require specialized tools like a multimeter and potentially expertise in electrical diagnostics to pinpoint and resolve the issue accurately.
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