What Does the P0964 Code Mean?
The P0964 OBD-II code indicates that there is an issue with the Pressure Control Solenoid “B” Control Circuit. This solenoid is crucial for the engine’s control module (PCM) or Transmission Control Module (TCM) as it helps manage hydraulic fluid to engage the clutches in the transmission for smoother shifts while driving.
What Causes the P0964 Code?
The P0964 code can be triggered by several factors, including:
- Failure of the Transmission Control Module (TCM)
- Low transmission fluid level
- Failure of the transmission pressure control solenoid
- Problems with the transmission valve body
- Wiring issues in the circuit
What Are the Symptoms of the P0964 Code?
When the P0964 code is present, you may experience the following symptoms:
- Transmission may not shift properly
- Increased fuel consumption
How Serious Is the P0964 Code?
The P0964 code is considered urgent, indicating that immediate action is necessary. Ignoring this code can lead to significant malfunctions that may cause severe damage to the vehicle. It can also pose risks to the safety of the driver and passengers.
How to Diagnose the P0964 Code
To properly diagnose the P0964 code, a mechanic should:
- Use an OBD-II scanner to confirm the P0964 code and check for any additional codes.
- Inspect the transmission fluid level and condition.
- Examine the wiring and connectors related to the pressure control solenoid.
- Test the transmission control module and pressure control solenoid for any faults.
- Conduct a visual inspection of the transmission valve body.
Common Repairs for the P0964 Code
Repairs for the P0964 code may include:
- Replacing or repairing the transmission pressure control solenoid
- Refilling or changing the transmission fluid
- Repairing or replacing damaged wiring or connectors
- Replacing the transmission control module (if faulty)
- Repairing the transmission valve body
How Much Does It Cost to Fix the P0964 Code?
The cost to fix the P0964 code can vary widely based on the specific issue causing the code. Generally, repairs may range from $150 to $1,000 or more, depending on whether it involves simple fixes like fluid changes or more extensive work like replacing the TCM.
Can I Fix the P0964 Code Myself?
While some basic checks, like inspecting fluid levels and wiring, can be performed by a knowledgeable car owner, the P0964 code typically requires professional diagnostic equipment and expertise to properly address the underlying issues. If you’re not experienced with automotive repairs, it’s recommended to consult a professional mechanic to avoid unnecessary damage or costs.
