B3680 Code - Movable Roof Pump Motor Circuit
Quick Answer
Hydraulic pressure for the folding top system is generated by the Folding Top Pump Motor. Common causes include Faulty Movable Roof Pump Motor, Movable Roof Pump Motor harness is open or shorted, Movable Roof Pump Motor 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
- B3680 indicates Movable Roof Pump Motor Circuit.
- Common causes
- Common causes include Faulty Movable Roof Pump Motor, Movable Roof Pump Motor harness is open or shorted, Movable Roof Pump Motor 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 B3680 Description
What are the Possible Causes of the DTC B3680?
- Faulty Movable Roof Pump Motor
- Movable Roof Pump Motor harness is open or shorted
- Movable Roof Pump Motor circuit poor electrical connection
- Faulty Folding Top Control (FTC) Module
How to Fix the DTC B3680?
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
B3680 02 Movable Roof Pump Motor Circuit short to ground
B3680 04 Movable Roof Pump Motor Circuit open circuit
B3680 0B Movable Roof Pump Motor Circuit pump motor current above 35A
B3680 0C Movable Roof Pump Motor Circuit pump motor current below 3A
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B3680 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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Information for Specific Makes
- B3680 Chevrolet — Movable Roof Pump Motor Circuit
- B3680 Pontiac — Movable Roof Pump Motor Circuit
Frequently Asked Questions about B3680 Code
1. What does the OBDII code B3680 mean?
The code B3680 refers to an issue with the movable roof pump motor circuit, indicating a problem with the electrical components controlling the roof mechanism.
2. What are the common symptoms of code B3680?
Symptoms include the convertible or movable roof failing to open or close, unusual noises from the pump motor, or a warning light indicating a roof system malfunction.
3. What causes the B3680 code to appear?
Common causes include a faulty roof pump motor, damaged wiring or connectors in the circuit, or a malfunctioning control module.
4. Can I still use my convertible roof with the B3680 code?
In most cases, the roof may not function properly, and attempting to use it could cause further damage to the system.
5. How do I diagnose the B3680 code?
Diagnosis typically involves inspecting the pump motor, checking the wiring and connectors for damage or corrosion, and testing the movable roof control module.
6. Can the B3680 code be caused by a blown fuse?
Yes, a blown fuse in the roof system circuit can trigger the B3680 code, as it disrupts the electrical flow to the pump motor.
7. How is the B3680 code repaired?
Repairs may include replacing the pump motor, repairing or replacing damaged wiring, and ensuring all electrical connections are secure.
8. How much does it cost to fix the B3680 code?
Repair costs vary based on the issue but could range from $150 to $500 or more, depending on parts and labor.
9. Can I clear the B3680 code without fixing the issue?
Clearing the code without resolving the underlying problem is not recommended, as the fault will likely reappear and the roof may remain inoperable.
10. Is the B3680 code specific to certain vehicle brands?
This code is not brand-specific but is commonly associated with vehicles equipped with convertible or movable roofs. Always consult your vehicle’s manual for specific details.
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