AutoCodes – GMC – B2707 GMC

B2707 GMC Code - Gearshift Unlock Circuit Low

Quick Answer

The Body Control Module (BCM) controls the automatic transmission shift lock control solenoid by providing controlled battery voltage to the automatic transmission shift lock control solenoid. 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
B2707 GMC indicates Gearshift Unlock 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 849
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 25, 2020
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Code B2707 GMC Description

The Body Control Module (BCM) controls the automatic transmission shift lock control solenoid by providing controlled battery voltage to the automatic transmission shift lock control solenoid. The BCM utilizes a smart driver to monitor the voltage and current flow of the automatic transmission shift lock control solenoid control circuit. DTC B2707 will set when the BCM detects a short to ground or open circuit when the solenoid is in the ON state.
OBDII Code B2707 GMC - Gearshift Unlock Circuit Low - AutoCodes.com
B2707 GMC Code - Gearshift Unlock Circuit Low

What are the Possible Causes of the DTC B2707 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 B2707 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 B2707 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 B2707 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 B2707 GMC Code

1. What are common symptoms of OBDII code B2707 GMC (Gearshift Unlock Circuit Low)?

The common symptoms of this code include difficulty shifting gears, the gear shifter getting stuck, and the inability to shift out of park.

2. What can cause the OBDII code B2707 GMC to set (Gearshift Unlock Circuit Low)?

The code B2707 can be triggered by issues such as a faulty gearshift unlock solenoid, damaged wiring in the gearshift circuit, or a defective gearshift position sensor.

3. How serious is the OBDII code B2707 GMC (Gearshift Unlock Circuit Low)?

While the severity may vary, it is important to address this issue promptly as it can impact the functionality of your vehicle's gear shifting mechanism.

4. How can I diagnose the OBDII code B2707 GMC (Gearshift Unlock Circuit Low)?

Diagnosing this code typically involves checking the condition of the gearshift unlock solenoid, inspecting the wiring for any damage, and testing the gearshift position sensor for proper functionality.

5. Can I continue driving with the OBDII code B2707 GMC active (Gearshift Unlock Circuit Low)?

It is not recommended to continue driving with this code active, as it can lead to further damage to the gear shifting mechanism and potentially compromise your ability to shift gears safely.

6. How can I repair the OBDII code B2707 GMC (Gearshift Unlock Circuit Low) myself?

If you have experience with automotive repairs, you may be able to replace the gearshift unlock solenoid, repair any damaged wiring, or recalibrate the gearshift position sensor to resolve the issue.

7. Is it necessary to reset the OBDII code B2707 GMC (Gearshift Unlock Circuit Low) after making repairs?

Yes, it is important to clear the code using an OBDII scanner after resolving the underlying issue to reset the vehicle's computer and ensure the problem has been successfully addressed.

8. Can extreme weather conditions cause the OBDII code B2707 GMC to trigger (Gearshift Unlock Circuit Low)?

Extreme temperatures or moisture can potentially affect the gearshift mechanism and lead to the code B2707 being set, so it's important to keep the gearshift area well-maintained.

9. Are there any preventive measures I can take to avoid the OBDII code B2707 GMC (Gearshift Unlock Circuit Low)?

Regularly inspecting and maintaining the gearshift components, keeping them clean and free of debris, can help prevent issues that may trigger the code B2707.

10. How long does it typically take to repair the OBDII code B2707 GMC (Gearshift Unlock Circuit Low)?

The repair time can vary depending on the specific cause of the code, but in general, it may take anywhere from a few hours to a day to diagnose and fix the issue causing the code B2707.

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