Transmission Friction Element Apply Time Out of Range
Code P2704 indicates that the transmission control module (TCM) has detected that a friction element (such as a clutch or band) is taking too long or too short to apply during a shift. This can be caused by low transmission fluid, a clogged filter, worn friction plates, or a faulty solenoid. The TCM monitors the apply time and compares it to expected values; if the time is outside the acceptable range, this code is set. This can lead to harsh or delayed shifts and may eventually cause transmission damage.
01. Most Common Causes
- Low or contaminated transmission fluid
- Clogged transmission filter
- Worn or burnt friction plates
- Faulty shift solenoid or valve body issue
02. Symptoms You Will Notice
- Delayed or harsh shifting
- Slipping transmission
- Check Engine Light illuminated
- Poor acceleration or transmission overheating
03. Step-by-Step Diagnosis
Step 1: Check transmission fluid level and condition; top off or replace if necessary.
Step 2: Scan for additional codes and perform a transmission pressure test.
Step 3: Inspect wiring and connectors to the transmission solenoids.
Step 4: If fluid and wiring are okay, remove the transmission pan and inspect for debris; replace filter and perform a fluid flush.
Step 5: If problem persists, test solenoids and valve body; replace as needed.
04. Commonly Affected Makes
05. Frequently Asked Questions
Is it safe to drive with this code?▼
It is not recommended to drive long distances as it can cause further transmission damage. Limited local driving may be possible if shifting is still smooth, but immediate diagnosis is advised.
How much does it cost to fix?▼
Costs vary from $50 for a fluid change to $150 for a solenoid replacement. Major repairs like valve body or transmission rebuild can exceed $1,000.