OBD Guide

P27A9

Pressure Control Solenoid C Data Incompatible

P27A9 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid C Data Incompatible. Common causes: pressure control solenoid c malfunction, problems in the solenoid circuit. Estimated repair cost: $17–56.

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

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Pressure control solenoid C malfunction
  • Problems in the solenoid circuit
  • Dirty or clogged solenoid
  • Software error in the engine ECU

How to Fix

  1. Check the electrical circuit of the solenoid for opens and shorts
  2. Clean or replace pressure control solenoid C
  3. Check the operation of the engine management system using a scanner
  4. If necessary, update the ECU software

Related codes

Error P27A9 by Vehicle Brand

FAQ

What does the P27A9 code mean?

P27A9 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid C Data Incompatible

What causes a P27A9 error code?

The most common causes of P27A9 include: Pressure control solenoid C malfunction; Problems in the solenoid circuit; Dirty or clogged solenoid; Software error in the engine ECU.

How do I fix a P27A9 diagnostic trouble code?

To fix P27A9: Check the electrical circuit of the solenoid for opens and shorts. Clean or replace pressure control solenoid C. Check the operation of the engine management system using a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27A9?

Yes, but get it checked soon

How much does it cost to fix P27A9?

The estimated repair cost for P27A9 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat