The P0931 code is an OBD-II trouble code that indicates a problem in the Gear Shift Lock Solenoid/Actuator Control Circuit “A”. This code is associated with the transmission system of your vehicle.
What Does the P0931 Code Mean?
The P0931 code means that the Transmission Control Module (TCM) has detected a high signal from the gear shift lock solenoid or actuator control circuit. The TCM is responsible for managing the transmission’s functions, including shifting gears.
What Causes the P0931 Code?
Several factors can trigger the P0931 code, including:
- Failure of the gear shift actuator assembly
- Malfunctioning Transmission Control Module (TCM)
- Wiring issues in the circuit
What Are the Symptoms of the P0931 Code?
When the P0931 code is present, you may experience the following symptoms:
- Transmission may not shift properly
- Increased fuel consumption
How Serious Is the P0931 Code?
The P0931 code is considered moderate in severity. While it may not pose an immediate threat to your vehicle’s safety or functionality, it is crucial to have it diagnosed and repaired promptly to prevent further issues.
How to Diagnose the P0931 Code
Diagnosing the P0931 code typically involves the following steps:
- Use an OBD-II scanner to confirm the presence of the P0931 code.
- Inspect the wiring and connectors related to the gear shift actuator for any visible damage.
- Test the gear shift actuator assembly and TCM for proper operation.
- Check for any additional trouble codes that may provide more context to the issue.
Common Repairs for the P0931 Code
Repairs for the P0931 code may include:
- Replacing the gear shift actuator assembly
- Repairing or replacing damaged wiring or connectors
- Replacing the Transmission Control Module (TCM)
How Much Does It Cost to Fix the P0931 Code?
The cost to fix the P0931 code can vary significantly based on the specific repairs needed. Generally, you can expect to spend anywhere from $100 to $1,500, depending on whether you need to replace the actuator assembly, repair wiring, or replace the TCM.
Can I Fix the P0931 Code Myself?
While some vehicle owners with mechanical experience may be able to address minor issues such as wiring repairs, diagnosing and replacing components like the gear shift actuator or TCM typically requires specialized tools and knowledge. It is recommended to consult with a certified mechanic for proper diagnosis and repair.
