B2712 Buick Code - Gearshift Lock Circuit Low
Quick Answer
The Body Control Module (BCM) controls the automatic transmission shift lock control solenoid ground circuit and monitors the voltage of the ground control circuit. Common causes include Faulty Automatic Transmission Shift Lock Control Solenoid, Automatic Transmission Shift Lock Control Solenoid harness is open or shorted, Automatic Transmission Shift Lock Control Solenoid 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
- B2712 Buick indicates Gearshift Lock Circuit Low.
- Common causes
- Common causes include Faulty Automatic Transmission Shift Lock Control Solenoid, Automatic Transmission Shift Lock Control Solenoid harness is open or shorted, Automatic Transmission Shift Lock Control Solenoid 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 B2712 Buick Description
What are the Possible Causes of the DTC B2712 Buick?
- Faulty Automatic Transmission Shift Lock Control Solenoid
- Automatic Transmission Shift Lock Control Solenoid harness is open or shorted
- Automatic Transmission Shift Lock Control Solenoid circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B2712 Buick?
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 B2712 Buick 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 B2712 Buick Code
1. What does the OBDII code B2712 mean on a Buick?
The code B2712 indicates a "Gearshift Lock Circuit Low," meaning there is an issue with the circuit controlling the gearshift lock mechanism, often related to low voltage or a failure in the system.
2. What are the common symptoms of the B2712 code in a Buick?
Symptoms may include the inability to shift out of park, a malfunctioning gearshift lock, or a dashboard warning light indicating a transmission or electrical problem.
3. What causes the B2712 code to appear in a Buick?
Common causes include a faulty gearshift lock solenoid, damaged wiring or connectors, a blown fuse, or a malfunctioning brake switch.
4. How is the B2712 code diagnosed in a Buick?
A technician will use a scan tool to confirm the code, inspect the gearshift lock circuit for voltage issues, check the brake switch signal, and examine related wiring and connections.
5. Can I drive my Buick with the B2712 code present?
Driving with this code may be unsafe, especially if the gearshift lock malfunctions, as you could get stuck in park or experience shifting issues. It’s best to address the issue promptly.
6. How do I fix the B2712 code on my Buick?
Repairs may involve replacing the gearshift lock solenoid, repairing damaged wiring, replacing a faulty brake switch, or addressing any blown fuses in the circuit.
7. Is the B2712 code specific to Buick vehicles?
The B2712 code is not exclusive to Buick but is a generic OBDII code used across various manufacturers to indicate a gearshift lock circuit issue.
8. How much does it cost to repair a B2712 code on a Buick?
Repair costs can vary, ranging from $100 to $400 depending on the exact cause, such as replacing a solenoid, brake switch, or addressing wiring issues.
9. Can a dead battery trigger the B2712 code in a Buick?
Yes, a weak or dead battery can cause voltage drops that might trigger the B2712 code, as the gearshift lock circuit relies on proper power levels.
10. Will resetting the code fix the B2712 issue in my Buick?
Resetting the code may temporarily clear the warning, but without addressing the underlying problem, the issue will likely reoccur. Proper diagnosis and repair are necessary.
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