OBD Guide

P27EA

Transmission Range Control B Circuit High

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

Symptoms

  • Incorrect gear shifting
  • Transmission transition to emergency mode
  • Check Engine Light Illuminates
  • Reduced vehicle dynamics
  • Problems starting the engine

Causes

  • Transmission range sensor malfunction
  • Open or short circuit in control circuit
  • Wiring Harness Problems
  • Transmission control module malfunction
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the transmission range sensor for damage.
  2. Check the integrity of the control circuit and wiring harness
  3. Check connectors for corrosion or poor contact.
  4. Scan the transmission control module for errors
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P27EA by Vehicle Brand