OBD Guide

P0779

Pressure Control Solenoid B Intermittent

P0779 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid B Intermittent. Common causes: pressure control solenoid b malfunction, damaged wiring or poor connections. Estimated repair cost: $33–78.

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

FAQ

What does the P0779 code mean?

P0779 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid B Intermittent

What causes a P0779 error code?

The most common causes of P0779 include: Pressure Control Solenoid B Malfunction; Damaged wiring or poor connections; Dirty or clogged solenoid; Transmission control module (TCM) problems.

How do I fix a P0779 diagnostic trouble code?

To fix P0779: Check the level and condition of the transmission fluid. Diagnose Pressure Control Solenoid B. Check the integrity of wiring and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0779?

Yes, but get it checked soon

How much does it cost to fix P0779?

The estimated repair cost for P0779 is $33–78. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat