OBD Guide

P27AA

Pressure Control Solenoid D Data Incompatible

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Jerks when shifting gears

Causes

  • Pressure Control Solenoid D Malfunction
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Software error in the control unit
  • Solenoid power problems

How to Fix

  1. Check the condition of pressure control solenoid D
  2. Check the integrity of the control and power circuits
  3. Inspect and clean connector contacts
  4. Check ECU software for updates
  5. Replace faulty solenoid if necessary

Related codes

Error P27AA by Vehicle Brand