B396A GMC Code - Liftgate Motor Power Open/Close Malfunction
Quick Answer
The liftgate motor is a bi-directional motor and open or close operation is the result of the direction of the motor rotation. Common causes include Faulty Liftgate Motor, Liftgate Motor harness is open or shorted, Liftgate 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
- B396A GMC indicates Liftgate Motor Power Open/Close Malfunction.
- Common causes
- Common causes include Faulty Liftgate Motor, Liftgate Motor harness is open or shorted, Liftgate 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 B396A GMC Description
What are the Possible Causes of the DTC B396A GMC?
- Faulty Liftgate Motor
- Liftgate Motor harness is open or shorted
- Liftgate Motor circuit poor electrical connection
- Faulty Liftgate Control Module
How to Fix the DTC B396A GMC?
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 B396A GMC 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 B396A GMC Code
1. What are the common symptoms of OBDII code B396A GMC (Liftgate Motor Power Open/Close Malfunction)?
- The common symptoms include the liftgate not opening or closing properly, unusual noises coming from the liftgate motor, and the liftgate getting stuck in a partially open or closed position.
2. What could cause the OBDII code B396A GMC to trigger?
- The code B396A can be triggered by issues such as a faulty liftgate motor, damaged wiring or connectors related to the liftgate motor, or a malfunction in the liftgate control module.
3. How can I diagnose the Liftgate Motor Power Open/Close Malfunction?
- Diagnosis typically involves using a diagnostic scanner to read the OBDII code B396A, checking the liftgate motor and related components for physical damage, and testing the electrical connections for proper voltage and continuity.
4. Can I drive my vehicle with the B396A GMC code active?
- It is not recommended to drive the vehicle with the B396A code active, as it may lead to safety issues if the liftgate fails to open or close properly while driving.
5. What are some repair tips for fixing the Liftgate Motor Power Open/Close Malfunction?
- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the liftgate motor if it is faulty, resetting the liftgate control module, and clearing the code with a diagnostic scanner after the repairs.
6. Is the Liftgate Motor Power Open/Close Malfunction a common issue in GMC vehicles?
- The Liftgate Motor Power Open/Close Malfunction can be a common issue in GMC vehicles, especially in models equipped with power liftgates.
7. Can weather conditions affect the operation of the liftgate and trigger the B396A code?
- Yes, extreme weather conditions such as extreme cold or heat can affect the operation of the liftgate motor and potentially trigger the B396A code due to increased strain on the components.
8. How much does it typically cost to repair the Liftgate Motor Power Open/Close Malfunction in a GMC vehicle?
- The repair costs can vary depending on the specific issue causing the code B396A, but it may range from a couple of hundred dollars for simple fixes like wiring repairs to over a thousand dollars for motor replacement.
9. Are there any preventive maintenance measures to avoid the Liftgate Motor Power Open/Close Malfunction?
- Regularly inspecting and lubricating the liftgate components, ensuring the wiring is in good condition, and avoiding overloading the liftgate can help prevent issues that may trigger the B396A code.
10. Can I reset the B396A GMC code myself, or do I need to take it to a mechanic?
- You can attempt to clear the B396A code yourself using a diagnostic scanner, but if the underlying issue causing the code is not resolved, it is advisable to have a mechanic diagnose and repair the problem.
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