OBD Guide

P27E7

Transmission Range Control B Circuit/Open

P27E7 is an OBD-II diagnostic trouble code meaning: Transmission Range Control B Circuit/Open. Common causes: broken or damaged wiring in the control circuit, range switch malfunction. Estimated repair cost: $6โ€“56.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6โ€“56 (est.)

Symptoms

  • Inability to change gears
  • Transmission gets stuck in one mode
  • CHECK ENGINE indicator is on
  • Transmission transition to emergency mode
  • Lack of response to selector switch

Causes

  • Broken or damaged wiring in the control circuit
  • Range switch malfunction
  • Poor contact in control circuit connectors
  • Range control relay failure
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the integrity of the wiring and connectors in the control circuit
  2. Test the range switch
  3. Check the condition and functionality of the relay
  4. Measure the resistance of the control circuit
  5. Replace damaged components if necessary

Related codes

Error P27E7 by Vehicle Brand

FAQ

What does the P27E7 code mean?

P27E7 is an OBD-II diagnostic trouble code that indicates: Transmission Range Control B Circuit/Open

What causes a P27E7 error code?

The most common causes of P27E7 include: Broken or damaged wiring in the control circuit; Range switch malfunction; Poor contact in control circuit connectors; Range control relay failure.

How do I fix a P27E7 diagnostic trouble code?

To fix P27E7: Check the integrity of the wiring and connectors in the control circuit. Test the range switch. Check the condition and functionality of the relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P27E7?

Limited driving only, diagnose soon

How much does it cost to fix P27E7?

The estimated repair cost for P27E7 is $6โ€“56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat