B2732 GMC Code - Liftgate Release Switch Circuit Failure
Quick Answer
The Liftgate Release Switch provides a ground input to the Body Control Module (BCM) when the switch is closed. Common causes include Faulty Liftgate Release Switch, Liftgate Release Switch harness is open or shorted, Liftgate Release Switch 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
- B2732 GMC indicates Liftgate Release Switch Circuit Failure.
- Common causes
- Common causes include Faulty Liftgate Release Switch, Liftgate Release Switch harness is open or shorted, Liftgate Release Switch 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 B2732 GMC Description
What are the Possible Causes of the DTC B2732 GMC?
- Faulty Liftgate Release Switch
- Liftgate Release Switch harness is open or shorted
- Liftgate Release Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2732 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 B2732 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 B2732 GMC Code
1. What does the OBDII code B2732 on a GMC mean?
The B2732 code indicates a Liftgate Release Switch Circuit Failure, meaning there’s an issue in the electrical circuit controlling the liftgate release switch.
2. What are the common symptoms of the B2732 code on a GMC?
Symptoms include the liftgate not opening, unresponsive liftgate release switch, or intermittent operation of the liftgate release.
3. What causes the B2732 code to appear on a GMC vehicle?
Common causes include a faulty liftgate release switch, damaged wiring or connectors in the circuit, or a malfunctioning body control module (BCM).
4. How can I diagnose the B2732 code in my GMC?
Start by inspecting the liftgate release switch, checking the wiring and connectors for damage, and testing the circuit with a multimeter. If no issues are found, the BCM may need further diagnostics.
5. Can a blown fuse cause the B2732 code to appear?
Yes, a blown fuse in the liftgate circuit can disrupt power and trigger the B2732 code.
6. Is it safe to drive with the B2732 code active?
Yes, it’s generally safe to drive, but the liftgate may not function properly, which could be inconvenient if you need access to the rear cargo area.
7. How do I fix the B2732 code on my GMC?
Repairs may include replacing the faulty liftgate release switch, repairing damaged wiring or connectors, or reprogramming or replacing the BCM if needed.
8. How much does it cost to repair the B2732 code on a GMC?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the switch, wiring, or BCM.
9. Can I clear the B2732 code without fixing it?
Clearing the code without addressing the underlying problem will only result in the code returning when the fault is detected again.
10. Will a bad BCM always cause the B2732 code?
Not always. While a bad BCM can contribute to the issue, the problem is more commonly caused by a faulty switch or wiring in the circuit.
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