OBD Guide

B146E

Channel 3 Audio Speaker Output Circuit Shorted Together

B146E is an OBD-II diagnostic trouble code meaning: Channel 3 Audio Speaker Output Circuit Shorted Together. Common causes: wiring harness damage, audio 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 from one of the speakers
  • Sound distortion
  • Audio amplifier overheating

Causes

  • Wiring harness damage
  • Audio speaker malfunction
  • Audio amplifier problems
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check column resistance
  3. Check the output signal from the audio amplifier
  4. Replace faulty components

Related codes

FAQ

What does the B146E code mean?

B146E is an OBD-II diagnostic trouble code that indicates: Channel 3 Audio Speaker Output Circuit Shorted Together

What causes a B146E error code?

The most common causes of B146E include: Wiring harness damage; Audio speaker malfunction; Audio amplifier problems; Short circuit in the circuit.

How do I fix a B146E diagnostic trouble code?

To fix B146E: Check the integrity of the wiring harness. Check column resistance. Check the output signal from the audio amplifier. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B146E?

Limited driving only, diagnose soon

How much does it cost to fix B146E?

The estimated repair cost for B146E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat