B3667 Chevrolet Code - Tonneau Release Circuit
Quick Answer
When the power folding top is operated to open or close the folding top, the Body Control Module (BCM) controls the folding top cover latch release operation through the folding top cover release relay control circuit and the tonneau release relay. Common causes include Faulty Tonneau Release Relay, Tonneau Release Relay harness is open or shorted, Tonneau Release 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
- B3667 Chevrolet indicates Tonneau Release Circuit.
- Common causes
- Common causes include Faulty Tonneau Release Relay, Tonneau Release Relay harness is open or shorted, Tonneau Release 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 B3667 Chevrolet Description
What are the Possible Causes of the DTC B3667 Chevrolet?
- Faulty Tonneau Release Relay
- Tonneau Release Relay harness is open or shorted
- Tonneau Release Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3667 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 B3667 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 B3667 Chevrolet Code
1. What are the common symptoms of OBDII code B3667 (Chevrolet) related to the Tonneau Release Circuit?
- Common symptoms include the tonneau cover failing to open or close properly, dashboard warning lights illuminating, and issues with the remote key fob operation.
2. What could be causing OBDII code B3667 (Chevrolet) to trigger in the Tonneau Release Circuit?
- The code may be triggered by a faulty tonneau release switch, damaged wiring or connectors, a malfunctioning tonneau motor, or a problem with the control module.
3. How can I diagnose the Tonneau Release Circuit issue causing OBDII code B3667 (Chevrolet)?
- To diagnose the issue, you can perform a visual inspection of the wiring and connectors, test the tonneau release switch for proper functionality, and use a scan tool to check for any stored fault codes.
4. Are there any simple repair tips for addressing OBDII code B3667 (Chevrolet) in the Tonneau Release Circuit?
- Try checking and cleaning the connectors and wiring related to the tonneau release circuit first. Sometimes, a simple cleaning or repair of a loose connection can resolve the issue.
5. Can a DIY enthusiast fix OBDII code B3667 (Chevrolet) related to the Tonneau Release Circuit?
- Depending on your skill level and access to tools, you may be able to address simple issues like cleaning connectors or replacing a faulty tonneau release switch. However, more complex problems may require professional assistance.
6. Is it safe to drive with OBDII code B3667 (Chevrolet) triggered in the Tonneau Release Circuit?
- It is generally safe to drive with this code, but you may experience inconvenience due to the tonneau cover not functioning correctly. Addressing the issue promptly is recommended to avoid further complications.
7. What are the potential consequences of ignoring OBDII code B3667 (Chevrolet) in the Tonneau Release Circuit?
- Ignoring the code could lead to continued issues with the tonneau cover operation, potential draining of the vehicle's battery if the tonneau motor is continuously trying to operate, and possible damage to other related components.
8. How much does it typically cost to repair OBDII code B3667 (Chevrolet) associated with the Tonneau Release Circuit?
- Repair costs can vary depending on the specific cause of the issue. Simple fixes like replacing a switch may cost less, while addressing wiring or control module problems can be more expensive. It's best to consult a professional for an accurate estimate.
9. Are there any preventive measures to avoid OBDII code B3667 (Chevrolet) in the Tonneau Release Circuit?
- Regularly inspecting the tonneau release system, keeping connectors clean and secure, and addressing any issues promptly can help prevent this code from occurring.
10. Can extreme weather conditions affect the triggering of OBDII code B3667 (Chevrolet) related to the Tonneau Release Circuit?
- Yes, extreme temperatures or moisture exposure can potentially impact the tonneau release system components, leading to malfunctions that trigger the OBDII code. It's important to keep the system well-maintained in all weather conditions.
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