OBD Guide

P27DF

Pressure Control Solenoid T Control Circuit Low

P27DF is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid T Control Circuit Low. Common causes: pressure control solenoid t malfunction, open or short circuit in control 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
  • Rough engine operation
  • Power reduction
  • Shifting problems (if the solenoid is connected to the transmission)
  • Increased fuel consumption

Causes

  • Pressure control solenoid T malfunction
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • Engine control unit (ECU) malfunction
  • Problems with power or grounding of the circuit

How to Fix

  1. Check the integrity of the solenoid control circuit
  2. Check the solenoid resistance (compare with factory values)
  3. Inspect connectors and contacts for corrosion or damage
  4. If necessary, replace pressure control solenoid T
  5. Check the operation of the engine control unit

Related codes

Error P27DF by Vehicle Brand

FAQ

What does the P27DF code mean?

P27DF is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid T Control Circuit Low

What causes a P27DF error code?

The most common causes of P27DF include: Pressure control solenoid T malfunction; Open or short circuit in control circuit; Poor contact in connectors; Engine control unit (ECU) malfunction.

How do I fix a P27DF diagnostic trouble code?

To fix P27DF: Check the integrity of the solenoid control circuit. Check the solenoid resistance (compare with factory values). Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27DF?

Yes, but get it checked soon

How much does it cost to fix P27DF?

The estimated repair cost for P27DF is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat