OBD Guide

B2917

Auxiliary Mode Door Motor Circuits Shorted

B2917 is an OBD-II diagnostic trouble code meaning: Auxiliary Mode Door Motor Circuits Shorted. Common causes: short circuit in wiring harness, sub choke motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of climate control
  • Airflow modes do not switch
  • No response to temperature adjustment
  • The climate control system turns off

Causes

  • Short circuit in wiring harness
  • Sub choke motor malfunction
  • Problems in the climate control control unit
  • Oxidation or damage to contacts

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance and power supply of the damper motor
  3. Inspect contacts and connectors for oxidation
  4. If necessary, replace the auxiliary damper motor
  5. Check the climate control control unit

Related codes

FAQ

What does the B2917 code mean?

B2917 is an OBD-II diagnostic trouble code that indicates: Auxiliary Mode Door Motor Circuits Shorted

What causes a B2917 error code?

The most common causes of B2917 include: Short circuit in wiring harness; Sub choke motor malfunction; Problems in the climate control control unit; Oxidation or damage to contacts.

How do I fix a B2917 diagnostic trouble code?

To fix B2917: Check wiring harness for damage. Check the resistance and power supply of the damper motor. Inspect contacts and connectors for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2917?

Limited driving only, diagnose soon

How much does it cost to fix B2917?

The estimated repair cost for B2917 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat