OBD Guide

P0766

Shift Solenoid D Performance/Stuck Off

P0766 is an OBD-II diagnostic trouble code meaning: Shift Solenoid D Performance/Stuck Off. Common causes: solenoid d fault, problems with wiring or connections. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Gear shift delay
  • Switching to emergency mode of the gearbox
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Solenoid D fault
  • Problems with wiring or connections
  • Contaminated transmission fluid
  • ECU malfunction
  • Mechanical problems in the gearbox

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check wiring and connections of solenoid D
  3. Replace solenoid D if necessary
  4. Check the operation of the computer
  5. Flush the system and replace transmission fluid

Related codes

Error P0766 by Vehicle Brand

FAQ

What does the P0766 code mean?

P0766 is an OBD-II diagnostic trouble code that indicates: Shift Solenoid D Performance/Stuck Off

What causes a P0766 error code?

The most common causes of P0766 include: Solenoid D fault; Problems with wiring or connections; Contaminated transmission fluid; ECU malfunction.

How do I fix a P0766 diagnostic trouble code?

To fix P0766: Check the level and condition of the transmission fluid. Check wiring and connections of solenoid D. Replace solenoid D if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0766?

Yes, but get it checked soon

How much does it cost to fix P0766?

The estimated repair cost for P0766 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat