B3247 Code - Short To Ground Rear Compartment Lid Release Circuit
Quick Answer
The Body Control Module (BCM) controls the rear compartment lid latch. Common causes include Faulty Rear Compartment Lid Latch, Faulty Body Control Module (BCM). 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
- B3247 indicates Short To Ground Rear Compartment Lid Release Circuit.
- Common causes
- Common causes include Faulty Rear Compartment Lid Latch, Faulty Body Control Module (BCM).
- 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 B3247 Description
What are the Possible Causes of the DTC B3247?
- Faulty Rear Compartment Lid Latch
- Faulty Body Control Module (BCM)
How to Fix the DTC B3247?
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 B3247 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
- B3247 Buick — Short To Ground Rear Compartment Lid Release Circuit
- B3247 Cadillac — Short To Ground Rear Compartment Lid Release Circuit
- B3247 Chevrolet — Short To Ground Rear Compartment Lid Release Circuit
- B3247 GMC — Short To Ground Rear Compartment Lid Release Circuit
Frequently Asked Questions about B3247 Code
1. What does OBDII code B3247 mean?
Code B3247 indicates a short-to-ground issue in the rear compartment lid release circuit, which typically controls the trunk or rear hatch release mechanism.
2. What are the common symptoms of code B3247?
Symptoms may include the rear trunk or hatch not opening when using the release button, the release mechanism being unresponsive, or blown fuses related to the circuit.
3. What causes the B3247 code to appear?
The code is often caused by damaged wiring, a short-to-ground in the circuit, a faulty trunk release motor, or a defective release button or switch.
4. How do I diagnose code B3247?
Start by inspecting the wiring and connectors for damage or corrosion, checking the release switch for proper function, and testing the release motor for continuity and operation.
5. Can a blown fuse cause code B3247?
Yes, a blown fuse in the rear compartment lid release circuit can trigger this code, as it may result from a short-to-ground condition.
6. Is it safe to drive with code B3247 active?
Yes, it is generally safe to drive, but you may lose the functionality of the rear trunk or hatch release, which can be inconvenient.
7. How do I fix the B3247 code?
Repairs may include replacing damaged wiring, repairing the short-to-ground, replacing the trunk release motor, or fixing a faulty release switch.
8. Can I clear the B3247 code without fixing the problem?
Clearing the code without fixing the underlying issue will only temporarily reset the system, and the code is likely to reappear.
9. How much does it cost to repair code B3247?
Repair costs vary depending on the root cause, but wiring repairs or replacing a release motor can range from $50 to $300, excluding labor.
10. Can a bad ground connection cause code B3247?
Yes, a poor ground connection in the rear compartment lid release circuit can cause the system to malfunction and trigger the code.
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