OBD Guide

P26DD

Engine Sound Control A Circuit High

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unusual exhaust sound
  • Check Engine Light Is On
  • Reduced engine performance
  • Disabling the Audio Control System

Causes

  • Open or short circuit in the circuit
  • Audio control module malfunction
  • Wiring Harness Problems
  • Contact corrosion
  • Active muffler malfunction

How to Fix

  1. Check the integrity of the control circuit
  2. Inspect connectors and contacts for corrosion
  3. Check the functionality of the sound control module
  4. Test the active muffler
  5. Replace damaged components

Related codes

Error P26DD by Vehicle Brand