OBD Guide

P27C9

Pressure Control Solenoid R Performance/Stuck Off

P27C9 is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid R Performance/Stuck Off. Common causes: pressure control solenoid r malfunction, dirty or clogged solenoid. Estimated repair cost: $17–56.

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

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics

Causes

  • Pressure control solenoid R malfunction
  • Dirty or clogged solenoid
  • Problems with wiring or connectors
  • Low transmission fluid level
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Inspect the wiring and solenoid connectors
  3. Check the resistance of the pressure control solenoid R
  4. Replace solenoid if necessary
  5. Test the operation of the transmission after repair

Related codes

Error P27C9 by Vehicle Brand

FAQ

What does the P27C9 code mean?

P27C9 is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid R Performance/Stuck Off

What causes a P27C9 error code?

The most common causes of P27C9 include: Pressure control solenoid R malfunction; Dirty or clogged solenoid; Problems with wiring or connectors; Low transmission fluid level.

How do I fix a P27C9 diagnostic trouble code?

To fix P27C9: Check the level and condition of the transmission fluid. Inspect the wiring and solenoid connectors. Check the resistance of the pressure control solenoid R. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27C9?

Yes, but get it checked soon

How much does it cost to fix P27C9?

The estimated repair cost for P27C9 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat