OBD Guide

P2704

Transmission Friction Element E Apply Time Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–222 (est.)

Symptoms

  • Difficulty shifting gears
  • Gear slippage
  • Jerks when shifting gears
  • Enabling transmission emergency mode
  • Increased fuel consumption

Causes

  • Low or contaminated transmission fluid
  • Transmission control solenoid valve malfunction
  • Mechanical damage to friction element E
  • Problems with transmission hydraulic circuits
  • TCM malfunction

How to Fix

  1. Check the level and condition of the transmission fluid. If necessary, add or replace fluid.
  2. Check the transmission control solenoid valves for proper operation. Replace faulty valves.
  3. Check transmission hydraulic circuits for leaks or blockages.
  4. Diagnose the TCM and replace it if necessary.
  5. If friction element E is mechanically damaged, the transmission may need to be repaired or replaced.

Related codes

Error P2704 by Vehicle Brand