OBD Guide

P05BE

Stop-Start Mode Switch Circuit Low

P05BE is an OBD-II diagnostic trouble code meaning: Stop-Start Mode Switch Circuit Low. Common causes: broken or damaged wiring in the start-stop switch circuit, signal wire short circuit to ground. Estimated repair cost: $11–89.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–89 (est.)

Symptoms

  • The start-stop system does not work or is deactivated
  • Check Engine Light Is On
  • The start-stop system indicator does not flash when stopping
  • Possible increase in fuel consumption in the urban cycle
  • Warning message on the instrument panel indicating a system malfunction

Causes

  • Broken or damaged wiring in the start-stop switch circuit
  • Signal wire short circuit to ground
  • Oxidation or poor contact in the switch connector
  • Faulty start-stop switch
  • ECU module malfunction (rare)

How to Fix

  1. Connect the diagnostic scanner and read all associated error codes
  2. Check the start-stop switch circuit diagram in the technical documentation
  3. Inspect the wiring from the switch to the computer for breaks, chafing, or damage.
  4. Check the switch connector: clean the contacts from oxidation, make sure there is a reliable connection
  5. Measure the voltage and resistance in the switch circuit with a multimeter
  6. Replace the start-stop switch if it is confirmed to be faulty

Related codes

Error P05BE by Vehicle Brand

FAQ

What does the P05BE code mean?

P05BE is an OBD-II diagnostic trouble code that indicates: Stop-Start Mode Switch Circuit Low

What causes a P05BE error code?

The most common causes of P05BE include: Broken or damaged wiring in the start-stop switch circuit; Signal wire short circuit to ground; Oxidation or poor contact in the switch connector; Faulty start-stop switch.

How do I fix a P05BE diagnostic trouble code?

To fix P05BE: Connect the diagnostic scanner and read all associated error codes. Check the start-stop switch circuit diagram in the technical documentation. Inspect the wiring from the switch to the computer for breaks, chafing, or damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P05BE?

Yes, but get it checked soon

How much does it cost to fix P05BE?

The estimated repair cost for P05BE is $11–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat