OBD Guide

P27F0

Transmission Range Control B Position Sensor/Switch Circuit Range/Performance

P27F0 is an OBD-II diagnostic trouble code meaning: Transmission Range Control B Position Sensor/Switch Circuit Range/Performance. Common causes: selector lever position sensor b malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect gear shifting
  • Check engine light comes on
  • Transmission transition to emergency mode
  • Difficulty shifting gears
  • Unexpected gear changes

Causes

  • Selector lever position sensor B malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Oxidation of sensor contacts
  • Problems with the transmission control unit

How to Fix

  1. Check the condition of the selector lever position sensor B
  2. Check the integrity of the sensor circuit
  3. Clean the sensor and connector contacts
  4. Check the operation of the transmission control unit
  5. If necessary, replace selector lever position sensor B

Related codes

Error P27F0 by Vehicle Brand

FAQ

What does the P27F0 code mean?

P27F0 is an OBD-II diagnostic trouble code that indicates: Transmission Range Control B Position Sensor/Switch Circuit Range/Performance

What causes a P27F0 error code?

The most common causes of P27F0 include: Selector lever position sensor B malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Oxidation of sensor contacts.

How do I fix a P27F0 diagnostic trouble code?

To fix P27F0: Check the condition of the selector lever position sensor B. Check the integrity of the sensor circuit. Clean the sensor and connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27F0?

Limited driving only, diagnose soon

How much does it cost to fix P27F0?

The estimated repair cost for P27F0 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat