OBD Guide

B2940

Power Liftgate Chime Output Circuit Short To Ground

B2940 is an OBD-II diagnostic trouble code meaning: Power Liftgate Chime Output Circuit Short To Ground. Common causes: wiring harness damage, sound device (buzzer/speaker) malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • No sound signal when the lift door is operating
  • Incorrect operation of the lift door
  • The malfunction indicator on the dashboard is on

Causes

  • Wiring harness damage
  • Sound device (buzzer/speaker) malfunction
  • Problems in the control unit
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness in the lift door area
  2. Check the sound device for malfunctions
  3. Check the control unit for errors
  4. Replace damaged components

Related codes

FAQ

What does the B2940 code mean?

B2940 is an OBD-II diagnostic trouble code that indicates: Power Liftgate Chime Output Circuit Short To Ground

What causes a B2940 error code?

The most common causes of B2940 include: Wiring harness damage; Sound device (buzzer/speaker) malfunction; Problems in the control unit; Short circuit in the circuit.

How do I fix a B2940 diagnostic trouble code?

To fix B2940: Check the integrity of the wiring harness in the lift door area. Check the sound device for malfunctions. Check the control unit for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2940?

Limited driving only, diagnose soon

How much does it cost to fix B2940?

The estimated repair cost for B2940 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat