B3680 Pontiac 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 Pontiac 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 Pontiac Description
What are the Possible Causes of the DTC B3680 Pontiac?
- 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 Pontiac?
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 Pontiac 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 B3680 Pontiac Code
1. What does the OBDII code B3680 mean on a Pontiac?
The B3680 code indicates an issue with the movable roof pump motor circuit, which is responsible for operating the convertible or retractable roof system.
2. What are the common symptoms of the B3680 code?
Symptoms may include the convertible or retractable roof failing to open or close, unusual noises from the roof mechanism, or a warning light on the dashboard.
3. What causes the B3680 code to appear?
Common causes include a faulty roof pump motor, damaged wiring or connectors in the circuit, a blown fuse, or a malfunctioning roof control module.
4. How can I fix the B3680 code?
Repairs may involve inspecting and repairing or replacing damaged wiring, checking and replacing the roof pump motor, or addressing issues with the roof control module.
5. Can I still drive my Pontiac with the B3680 code?
Yes, you can still drive the vehicle, but the movable roof may not function properly until the issue is resolved.
6. How do I diagnose the B3680 code?
Start by checking the roof pump motor for functionality, inspecting the wiring and connectors for damage, and using a scan tool to check for related codes or control module issues.
7. How much does it cost to repair the B3680 code?
Repair costs vary depending on the specific problem but may range from $100 for basic wiring repairs to $500 or more if the pump motor or module needs replacement.
8. Can a weak battery cause the B3680 code?
Yes, a weak or failing battery can result in insufficient power to the roof pump motor, potentially triggering the B3680 code.
9. Will clearing the B3680 code fix the issue?
Clearing the code will not fix the underlying problem. The issue must be properly diagnosed and repaired to prevent the code from returning.
10. Is the B3680 code specific to Pontiacs with convertible roofs?
Yes, this code typically applies to Pontiac models equipped with a movable or retractable roof system.
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