OBD Guide

P0786

Shift Timing Solenoid A Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Switching delays
  • Transmission of the gearbox into emergency mode
  • Power dips
  • Increased fuel consumption

Causes

  • Shift solenoid malfunction
  • Low or contaminated transmission fluid
  • Solenoid circuit problems
  • Mechanical faults in the gearbox
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the electrical circuit of the solenoid
  3. Check the resistance and operation of the solenoid
  4. If necessary, replace the solenoid
  5. Scan the transmission control module for other errors

Related codes

Error P0786 by Vehicle Brand