OBD Guide

P0786

Shift Timing Solenoid A Range/Performance

P0786 is an OBD-II diagnostic trouble code meaning: Shift Timing Solenoid A Range/Performance. Common causes: shift solenoid malfunction, low or contaminated transmission fluid. Estimated repair cost: $17–89.

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

FAQ

What does the P0786 code mean?

P0786 is an OBD-II diagnostic trouble code that indicates: Shift Timing Solenoid A Range/Performance

What causes a P0786 error code?

The most common causes of P0786 include: Shift solenoid malfunction; Low or contaminated transmission fluid; Solenoid circuit problems; Mechanical faults in the gearbox.

How do I fix a P0786 diagnostic trouble code?

To fix P0786: Check the level and condition of the transmission fluid. Diagnose the electrical circuit of the solenoid. Check the resistance and operation of the solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0786?

Yes, but get it checked soon

How much does it cost to fix P0786?

The estimated repair cost for P0786 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat