AutoCodes – GMC – B2712 GMC

B2712 GMC 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 GMC 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.
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Code Popularity 954
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 26, 2020
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Code B2712 GMC Description

The Body Control Module (BCM) controls the automatic transmission shift lock control solenoid ground circuit and monitors the voltage of the ground control circuit. The Diagnostic Trouble Code (DTC) sets when the BCM detects the controlled ground circuit voltage is approximately equal to the ground in the OFF state.
OBDII Code B2712 GMC - Gearshift Lock Circuit Low - AutoCodes.com
B2712 GMC Code - Gearshift Lock Circuit Low

What are the Possible Causes of the DTC B2712 GMC?

  • 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 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 B2712 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.

Need more information about the B2712 GMC code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2712 GMC Code

1. What are the common symptoms of OBDII code B2712 GMC (Gearshift Lock Circuit Low)?

The common symptoms include difficulty shifting gears, inability to shift out of park, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B2712 GMC?

Possible causes of this code include a faulty gearshift lock solenoid, damaged wiring or connectors in the gearshift lock circuit, or a problem with the gearshift position sensor.

3. How can I diagnose the cause of OBDII code B2712 GMC?

Diagnosing this code typically involves checking the gearshift lock solenoid, inspecting the wiring and connectors in the gearshift lock circuit, and testing the gearshift position sensor for proper operation.

4. Can I continue driving my vehicle with OBDII code B2712 GMC present?

It is not recommended to drive your vehicle with this code present, as it can lead to safety issues due to potential gear shifting problems.

5. How can I repair OBDII code B2712 GMC?

Repairing this code may involve replacing the faulty gearshift lock solenoid, repairing or replacing damaged wiring or connectors, or addressing any issues with the gearshift position sensor.

6. Are there any DIY tips for fixing OBDII code B2712 GMC?

While some simple checks like inspecting the wiring and connectors can be done by DIY enthusiasts, complex repairs involving component replacement may require professional help.

7. Can weather conditions affect OBDII code B2712 GMC?

Extreme weather conditions or water exposure can sometimes cause electrical issues that may trigger this code, so it's important to keep the gearshift area dry and well-maintained.

8. Will resetting the OBDII system clear OBDII code B2712 GMC?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to return.

9. How much does it typically cost to repair OBDII code B2712 GMC at a mechanic?

The cost of repairing this code can vary depending on the specific cause and the labor rates of the mechanic, but it's recommended to get a diagnosis and estimate before proceeding with repairs.

10. Is OBDII code B2712 GMC a serious issue?

While this code may not always indicate a critical problem, it can lead to inconvenience and safety concerns related to gear shifting, so it's best to address it promptly.

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