OBD Guide

P26EF

Engine Sound Control B Circuit Performance

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–133 (est.)

Symptoms

  • Error message on the dashboard
  • Changing the sound of the engine
  • No 'sports' sound mode
  • Activating emergency mode

Causes

  • Open or short circuit in control circuit
  • Malfunction of the engine sound control unit
  • Problems with ECU software
  • Corrosion of contacts or connectors
  • Mechanical damage to system components

How to Fix

  1. Check the integrity of the wiring harness and connections
  2. Test the operation of the sound control unit
  3. Check system fuses and relays
  4. Reset the error and test the system operation
  5. Update ECU software

Related codes

Error P26EF by Vehicle Brand