OBD Guide

P0779

Pressure Control Solenoid B Intermittent

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–78 (est.)

Symptoms

  • Incorrect gear shifting
  • Sharp gear changes
  • Delays when shifting gears
  • Check Engine light comes on
  • Emergency operation of the gearbox

Causes

  • Pressure Control Solenoid B Malfunction
  • Damaged wiring or poor connections
  • Dirty or clogged solenoid
  • Transmission control module (TCM) problems
  • Low or contaminated transmission fluid

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose Pressure Control Solenoid B
  3. Check the integrity of wiring and connections
  4. Replacing the pressure control solenoid if necessary
  5. Reset the error and check the operation of the transmission again

Related codes

Error P0779 by Vehicle Brand