OBD Guide

P278F

Clutch B Adaptive Learning at Limit

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–333 (est.)

Symptoms

  • Difficulty shifting gears
  • Clutch slipping
  • Jerks when shifting gears
  • Power Loss
  • Enabling transmission emergency mode

Causes

  • Clutch wear
  • Insufficient level or contamination of transmission fluid
  • Malfunction of the hydraulic clutch control system
  • Malfunction of clutch control solenoids
  • Transmission control unit (TCU) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid. If necessary, add or replace fluid.
  2. Check the clutch hydraulic system for leaks or damage.
  3. Check the clutch control solenoids for proper operation.
  4. Perform clutch adaptive learning again using diagnostic equipment.
  5. Replace the clutch if it is worn.

Related codes

Error P278F by Vehicle Brand