OBD Guide

P0903

Clutch A Actuator Control Circuit High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Jerks when shifting gears
  • Problems with gear shifting
  • Transmission of the gearbox into emergency mode
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics

Causes

  • Open or short circuit in control circuit
  • Clutch drive malfunction
  • Wiring Harness Problems
  • Transmission control unit malfunction
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the clutch control circuit
  2. Check the condition of connectors and contacts
  3. Test the clutch drive
  4. Check the operation of the control unit
  5. Replace faulty components

Related codes

Error P0903 by Vehicle Brand