OBD Guide

P1768

A/T Clutch Pressure Control Solenoid Valve Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Hard gear shifts
  • Clutch slipping
  • Automatic transmission goes into emergency mode
  • Check Engine Light Illuminates
  • Reduced transmission efficiency

Causes

  • Open or short circuit in valve circuit
  • Solenoid valve malfunction
  • Wiring Harness Problems
  • Low or contaminated transmission fluid
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the valve control circuit
  3. Check the resistance and operation of the solenoid valve
  4. Inspect the wiring harness for damage
  5. If necessary, replace the faulty valve

Related codes

Error P1768 by Vehicle Brand