P2704 Fault Code

Transmission Friction Element E Apply Time Range/Performance

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2704 fault code pertains to the transmission system in vehicles, specifically regarding the performance and timing of the friction element 'E' apply mechanism. This code indicates that the apply time for this particular friction element is outside agreed-upon parameters, suggesting a potential malfunction or inefficiency in the transmission system.

What are the symptoms of the P2704 code?

Drivers may experience various symptoms associated with the P2704 code, including:

• Slipping or harsh shifting of the transmission
• Delayed engagement when shifting into gear
• Inability to accelerate smoothly
• Transmission overheating or noise during operation
• Illumination of the check engine light on the dashboard.

What causes the P2704 code?

Several factors can contribute to the P2704 fault code, such as:

• Insufficient transmission fluid level or dirty fluid
• Faulty transmission control module (TCM)
• Defective solenoid or valve responsible for applying friction element 'E'
• Wiring issues or connector problems leading to poor communication between components
• Mechanical failures within the transmission, including worn clutches or bands.

How to fix P2704?

To resolve the P2704 fault code, you can take the following steps:

• Check and top off the transmission fluid to the recommended level and replace it if contaminated.
• Inspect and test the transmission control module and solenoids for functionality and replace if necessary.
• Examine wiring and connectors for any damage or corrosion and repair them as needed.
• If mechanical issues are suspected, consider a thorough inspection of the transmission components and replace worn parts.
• Clear the fault code after repairs and conduct a road test to ensure proper operation.