The P0986 code indicates an issue with the Shift Solenoid “E” control circuit in your vehicle’s transmission system. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors the performance of different components in your vehicle.
What Does the P0986 Code Mean?
The P0986 code means that the Transmission Control Module (TCM) has detected a problem with the Shift Solenoid “E” control circuit. This solenoid is responsible for regulating hydraulic pressure in the transmission, which is essential for the proper shifting of gears.
What Causes the P0986 Code?
Several factors can trigger the P0986 code, including:
- Transmission Control Module (TCM) failure
- Low transmission fluid level
- Failure of the transmission shift solenoid
- Wiring issues within the solenoid circuit
What Are the Symptoms of the P0986 Code?
When your vehicle encounters a P0986 code, you may experience the following symptoms:
- Increased fuel consumption
- Transmission may not shift properly
How Serious Is the P0986 Code?
The P0986 code is considered urgent. It indicates a significant malfunction that could lead to severe damage to the transmission if not addressed promptly. It is vital to take immediate action when this code is present.
How to Diagnose the P0986 Code
To diagnose the P0986 code, a mechanic will typically follow these steps:
- Use an OBD-II scanner to confirm the P0986 code and check for any additional codes.
- Inspect the transmission fluid level and condition.
- Examine the wiring and connectors related to the shift solenoid for any signs of damage.
- Test the functionality of the shift solenoid and TCM.
Common Repairs for the P0986 Code
Repairs for the P0986 code may include:
- Replacing the transmission shift solenoid
- Repairing or replacing damaged wiring or connectors
- Refilling or replacing transmission fluid
- Replacing the Transmission Control Module (TCM) if necessary
How Much Does It Cost to Fix the P0986 Code?
The cost to fix the P0986 code can vary widely based on the specific repairs needed. On average, you might expect to pay anywhere from $150 to $1,000, depending on whether you need to replace the solenoid, repair wiring, or replace the TCM.
Can I Fix the P0986 Code Myself?
While some DIY enthusiasts may be able to handle minor repairs like checking fluid levels or inspecting wiring, diagnosing and repairing transmission-related issues can be complex. If you are not experienced with automotive repairs, it is recommended to seek professional assistance to ensure proper diagnosis and repair.
