The P0928 OBD-II code indicates a problem with the Gear Shift Lock Solenoid or Actuator Control Circuit, which is essential for the proper operation of your vehicle’s transmission.
What Does the P0928 Code Mean?
This code is triggered when the Transmission Control Module (TCM) detects an open circuit in the gear shift lock solenoid or actuator control circuit “A”. This can affect the vehicle’s ability to shift gears properly, leading to potential performance issues.
What Causes the P0928 Code?
Several factors can contribute to the P0928 code, including:
- Gear shift actuator assembly failure
- Transmission Control Module (TCM) failure
- Wiring issues, such as short circuits or disconnected wires
What Are the Symptoms of the P0928 Code?
Drivers experiencing this code may notice various symptoms, including:
- Transmission may not shift properly
- Increased fuel consumption
How Serious Is the P0928 Code?
The severity of the P0928 code is moderate. While it may not pose an immediate threat to your vehicle’s safety, it is advisable to have it diagnosed promptly to avoid further complications or damage to the transmission system.
How to Diagnose the P0928 Code
Diagnosing the P0928 code typically involves the following steps:
- Use an OBD-II scanner to confirm the P0928 code and check for any related codes.
- Inspect the wiring and connectors related to the gear shift lock solenoid and actuator for any signs of damage or disconnection.
- Test the functionality of the gear shift actuator assembly and the TCM.
- Check for any fluid leaks or other transmission issues that might contribute to the problem.
Common Repairs for the P0928 Code
Repairing the P0928 code may involve:
- Replacing the gear shift actuator assembly
- Repairing or replacing damaged wiring or connectors
- Replacing the Transmission Control Module (TCM) if found faulty
How Much Does It Cost to Fix the P0928 Code?
The cost to fix the P0928 code can vary widely based on the specific repairs needed. Generally, repairs can range from $100 to $1,000 or more, depending on whether you need to replace the actuator assembly or the TCM.
Can I Fix the P0928 Code Myself?
If you have experience with automotive repairs and access to the necessary tools, you may be able to diagnose and repair the P0928 code. However, for most drivers, it is recommended to consult a professional mechanic to ensure accurate diagnosis and safe repairs.