OBD Guide

P27E8

Transmission Range Control B Circuit Performance

P27E8 is an OBD-II diagnostic trouble code meaning: Transmission Range Control B Circuit Performance. Common causes: gear selector position sensor malfunction, broken or damaged wiring harness. 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
  • Transmission transition to emergency mode
  • Check Engine Light Illuminates
  • Difficulty shifting gears
  • Loss of engine power

Causes

  • Gear selector position sensor malfunction
  • Broken or damaged wiring harness
  • Control circuit connector problems
  • Transmission control module malfunction
  • Short circuit or open circuit

How to Fix

  1. Inspection of wiring harness and connectors
  2. Checking the gear selector position sensor
  3. Control Circuit Resistance Testing
  4. Scan Transmission Module Trouble Codes
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P27E8 by Vehicle Brand

FAQ

What does the P27E8 code mean?

P27E8 is an OBD-II diagnostic trouble code that indicates: Transmission Range Control B Circuit Performance

What causes a P27E8 error code?

The most common causes of P27E8 include: Gear selector position sensor malfunction; Broken or damaged wiring harness; Control circuit connector problems; Transmission control module malfunction.

How do I fix a P27E8 diagnostic trouble code?

To fix P27E8: Inspection of wiring harness and connectors. Checking the gear selector position sensor. Control Circuit Resistance Testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27E8?

Limited driving only, diagnose soon

How much does it cost to fix P27E8?

The estimated repair cost for P27E8 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat