OBD Guide

P1E41

Electric Servo Brake System Fail-Safe Relay Stuck ON

P1E41 is an OBD-II diagnostic trouble code meaning: Electric Servo Brake System Fail-Safe Relay Stuck ON. Common causes: faulty emergency relay, problems in the relay control circuit. Estimated repair cost: $17–56.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine and/or ABS/ESC light is on
  • Hard or unusual force on the brake pedal
  • Reduced braking performance
  • The brake system goes into emergency mode
  • Possible problems with the operation of the stabilization system (ESC)

Causes

  • Faulty emergency relay
  • Problems in the relay control circuit
  • Short circuit in wiring harness
  • Malfunction of the brake control module
  • Corrosion or oxidation of relay contacts

How to Fix

  1. Check the condition and functionality of the emergency mode relay
  2. Diagnose the relay control circuit for opens and short circuits
  3. Check the condition of contacts and connectors
  4. If necessary, replace the relay
  5. Check and reflash the brake control module if necessary

Related codes

FAQ

What does the P1E41 code mean?

P1E41 is an OBD-II diagnostic trouble code that indicates: Electric Servo Brake System Fail-Safe Relay Stuck ON

What causes a P1E41 error code?

The most common causes of P1E41 include: Faulty emergency relay; Problems in the relay control circuit; Short circuit in wiring harness; Malfunction of the brake control module.

How do I fix a P1E41 diagnostic trouble code?

To fix P1E41: Check the condition and functionality of the emergency mode relay. Diagnose the relay control circuit for opens and short circuits. Check the condition of contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E41?

Do not drive — repair immediately

How much does it cost to fix P1E41?

The estimated repair cost for P1E41 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat