OBD Guide

P08BB

Pressure Control Solenoid L Performance/Stuck Off

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–78 (est.)

Symptoms

  • Incorrect gear shifting
  • Jerks or jerks when shifting
  • Delays when shifting gears
  • Switching to emergency mode of automatic transmission operation
  • Check engine light comes on

Causes

  • Pressure control solenoid jammed
  • Open or short circuit in control circuit
  • Transmission fluid contamination
  • Problems with the connector or wiring harness
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check the electrical circuit of the solenoid for opens and shorts
  3. Check the resistance and performance of the solenoid
  4. Clean or replace pressure control solenoid
  5. If necessary, replace transmission fluid and filter

Related codes

Error P08BB by Vehicle Brand