OBD Guide

P27F2

Transmission Range Control B Position Sensor/Switch Circuit High

P27F2 is an OBD-II diagnostic trouble code meaning: Transmission Range Control B Position Sensor/Switch Circuit High. Common causes: transmission range position sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Check Engine Light Illuminates
  • The transmission goes into emergency mode
  • Inability to start the engine
  • Floating engine speed

Causes

  • Transmission Range Position Sensor B Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Transmission Control Module (TCM) Problems
  • Corroded or damaged wiring

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor resistance and voltage
  3. Inspect connectors and wiring for damage
  4. If necessary, replace the position sensor
  5. Check and, if necessary, replace the transmission control module

Related codes

Error P27F2 by Vehicle Brand

FAQ

What does the P27F2 code mean?

P27F2 is an OBD-II diagnostic trouble code that indicates: Transmission Range Control B Position Sensor/Switch Circuit High

What causes a P27F2 error code?

The most common causes of P27F2 include: Transmission Range Position Sensor B Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Transmission Control Module (TCM) Problems.

How do I fix a P27F2 diagnostic trouble code?

To fix P27F2: Check the integrity of the sensor circuit. Check sensor resistance and voltage. Inspect connectors and wiring for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27F2?

Limited driving only, diagnose soon

How much does it cost to fix P27F2?

The estimated repair cost for P27F2 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat