OBD Guide

P26DB

Engine Sound Control A Circuit/Open

P26DB is an OBD-II diagnostic trouble code meaning: Engine Sound Control A Circuit/Open. Common causes: broken wiring in the control circuit, engine sound relay malfunction. Estimated repair cost: $17–89.

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

Symptoms

  • No changes in engine sound in different modes
  • Error message on the dashboard
  • Active audio function does not work
  • Possible clicks from the audio control module area

Causes

  • Broken wiring in the control circuit
  • Engine sound relay malfunction
  • Problems with the audio control module
  • Short circuit in the circuit
  • Poor contact in system connectors

How to Fix

  1. Check the integrity of the wiring in the audio control circuit
  2. Check the condition of the system relays and fuses
  3. Diagnose the engine sound control module
  4. Check system connections and connectors
  5. Replace faulty components if necessary

Related codes

Error P26DB by Vehicle Brand

FAQ

What does the P26DB code mean?

P26DB is an OBD-II diagnostic trouble code that indicates: Engine Sound Control A Circuit/Open

What causes a P26DB error code?

The most common causes of P26DB include: Broken wiring in the control circuit; Engine sound relay malfunction; Problems with the audio control module; Short circuit in the circuit.

How do I fix a P26DB diagnostic trouble code?

To fix P26DB: Check the integrity of the wiring in the audio control circuit. Check the condition of the system relays and fuses. Diagnose the engine sound control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26DB?

Yes, but get it checked soon

How much does it cost to fix P26DB?

The estimated repair cost for P26DB is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat