OBD Guide

P27BF

Pressure Control Solenoid N Control Circuit Low

P27BF is an OBD-II diagnostic trouble code meaning: Pressure Control Solenoid N Control Circuit Low. Common causes: n pressure control solenoid 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
  • Unstable engine operation
  • Problems with gear shifting (if related to automatic transmission)
  • Reduced engine power
  • Increased fuel consumption

Causes

  • N pressure control solenoid malfunction
  • Open or short circuit in control circuit
  • Poor contact in solenoid connectors
  • Engine control unit (ECU) malfunction
  • Wiring harness damage

How to Fix

  1. Check the integrity of the solenoid control circuit
  2. Check solenoid resistance
  3. Inspect connectors and contacts for corrosion or damage
  4. If necessary, replace the solenoid
  5. Check and, if necessary, replace the engine control unit

Related codes

Error P27BF by Vehicle Brand

FAQ

What does the P27BF code mean?

P27BF is an OBD-II diagnostic trouble code that indicates: Pressure Control Solenoid N Control Circuit Low

What causes a P27BF error code?

The most common causes of P27BF include: N pressure control solenoid malfunction; Open or short circuit in control circuit; Poor contact in solenoid connectors; Engine control unit (ECU) malfunction.

How do I fix a P27BF diagnostic trouble code?

To fix P27BF: Check the integrity of the solenoid control circuit. Check solenoid resistance. Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27BF?

Yes, but get it checked soon

How much does it cost to fix P27BF?

The estimated repair cost for P27BF is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat