B3808 Chevrolet Code - Rear Door Lock Relay Circuit
Quick Answer
The Body Control Module (BCM) internally grounds the door lock relay control circuit for the rear door lock relay when it receives a class 2 message from the driver door module (DDM) or passenger door module (PDM). Common causes include Faulty Rear Door Lock Relay, Rear Door Lock Relay harness is open or shorted, Rear Door Lock Relay 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
- B3808 Chevrolet indicates Rear Door Lock Relay Circuit.
- Common causes
- Common causes include Faulty Rear Door Lock Relay, Rear Door Lock Relay harness is open or shorted, Rear Door Lock Relay 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 B3808 Chevrolet Description
What are the Possible Causes of the DTC B3808 Chevrolet?
- Faulty Rear Door Lock Relay
- Rear Door Lock Relay harness is open or shorted
- Rear Door Lock Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3808 Chevrolet?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3808 Chevrolet 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 B3808 Chevrolet Code
1. What are the common symptoms of OBDII code B3808 for the Chevrolet rear door lock relay circuit?
- Common symptoms include difficulty locking or unlocking the rear door, intermittent power lock failures, and the door lock not responding to the key fob or interior switch.
2. What are the possible causes of OBDII code B3808 related to the rear door lock relay circuit in a Chevrolet vehicle?
- Potential causes can include a faulty rear door lock relay, wiring issues such as shorts or open circuits, a malfunctioning door lock actuator, or a problem with the body control module.
3. How can I diagnose OBDII code B3808 in a Chevrolet for the rear door lock relay circuit issue?
- Diagnose the code by checking the rear door lock relay and actuator for proper function, inspecting the wiring for any damage or loose connections, and using a scan tool to communicate with the body control module for any stored fault codes.
4. What are some repair tips for resolving OBDII code B3808 on a Chevrolet due to the rear door lock relay circuit problem?
- Repair tips include ensuring the rear door lock relay is working correctly, repairing any damaged wiring, replacing the door lock actuator if necessary, and resetting the fault code with a scan tool after the repair is completed.
5. Can OBDII code B3808 for the Chevrolet rear door lock relay circuit be fixed without professional help?
- While some troubleshooting steps can be done by DIY enthusiasts, resolving the issue may require specialized tools and expertise. It is recommended to consult a professional mechanic for accurate diagnosis and repair.
6. Is it safe to continue driving with OBDII code B3808 triggered in a Chevrolet due to the rear door lock relay circuit issue?
- Driving with this code triggered may not pose an immediate safety risk, but it can lead to inconvenience and potential security concerns if the rear door lock is not functioning correctly. It is best to address the issue promptly.
7. How much does it typically cost to repair OBDII code B3808 related to the rear door lock relay circuit in a Chevrolet?
- The cost of repair can vary depending on the exact cause of the issue, labor rates in your area, and the cost of parts needed for the repair. It is recommended to obtain quotes from different repair shops for accurate pricing.
8. Will resetting the OBDII code B3808 for the Chevrolet rear door lock relay circuit issue make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reoccur. It is crucial to diagnose and repair the root cause of the problem.
9. Can extreme weather conditions affect the rear door lock relay circuit and trigger OBDII code B3808 in a Chevrolet?
- Yes, extreme temperatures, moisture, or corrosion can impact the electrical components of the rear door lock relay circuit, leading to malfunctions and triggering the OBDII code. Ensure proper weatherproofing and maintenance to prevent these issues.
10. Are there any recalls or technical service bulletins related to OBDII code B3808 for the rear door lock relay circuit in Chevrolet vehicles?
- It is advisable to check with Chevrolet's authorized service centers or visit the National Highway Traffic Safety Administration (NHTSA) website for any recalls or technical service bulletins related to this specific OBDII code and issue.
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