OBD Guide

B236A

Power Liftgate Chime Output Circuit Open

B236A is an OBD-II diagnostic trouble code meaning: Power Liftgate Chime Output Circuit Open. Common causes: broken or damaged wires in the signal circuit, sound device (speaker) malfunction. Estimated repair cost: $56–167.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • No sound signal when the electronic trunk lift is operating
  • Possible failures in automatic trunk closing
  • Error B236A in diagnostic system memory

Causes

  • Broken or damaged wires in the signal circuit
  • Sound device (speaker) malfunction
  • Problems in the electronic lift control module
  • Short circuit in the circuit
  • Grounding problems

How to Fix

  1. Check the integrity of the wiring harness in the electronic lift area
  2. Test the sound device (speaker) for functionality
  3. Check connections and contacts in the signal circuit
  4. Scan the control module for errors and reflash if necessary
  5. Replace damaged elements (speaker, wires, connectors)

Related codes

FAQ

What does the B236A code mean?

B236A is an OBD-II diagnostic trouble code that indicates: Power Liftgate Chime Output Circuit Open

What causes a B236A error code?

The most common causes of B236A include: Broken or damaged wires in the signal circuit; Sound device (speaker) malfunction; Problems in the electronic lift control module; Short circuit in the circuit.

How do I fix a B236A diagnostic trouble code?

To fix B236A: Check the integrity of the wiring harness in the electronic lift area. Test the sound device (speaker) for functionality. Check connections and contacts in the signal circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B236A?

Limited driving only, diagnose soon

How much does it cost to fix B236A?

The estimated repair cost for B236A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat