OBD Guide

B2562

Auxiliary Blower Motor Speed Relay 1 Circuit Open/Short To Ground

B2562 is an OBD-II diagnostic trouble code meaning: Auxiliary Blower Motor Speed Relay 1 Circuit Open/Short To Ground. Common causes: broken or short-circuited wires of the relay control circuit, faulty fan speed relay. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • The stove fan does not work or does not work correctly
  • No fan speed adjustment
  • The fan only runs at maximum speed
  • Burning smell due to overheating of the circuit

Causes

  • Broken or short-circuited wires of the relay control circuit
  • Faulty fan speed relay
  • Oxidation of relay contacts or connectors
  • Problems with the climate control unit
  • Short circuit to ground in wiring harness

How to Fix

  1. Check the fan circuit fuse
  2. Inspect the speed relay for damage
  3. Check the integrity of wiring and contacts
  4. Measure the resistance of the control circuit
  5. Check the operation of the climate control unit
  6. Replace faulty relay or wiring

Related codes

FAQ

What does the B2562 code mean?

B2562 is an OBD-II diagnostic trouble code that indicates: Auxiliary Blower Motor Speed Relay 1 Circuit Open/Short To Ground

What causes a B2562 error code?

The most common causes of B2562 include: Broken or short-circuited wires of the relay control circuit; Faulty fan speed relay; Oxidation of relay contacts or connectors; Problems with the climate control unit.

How do I fix a B2562 diagnostic trouble code?

To fix B2562: Check the fan circuit fuse. Inspect the speed relay for damage. Check the integrity of wiring and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2562?

Limited driving only, diagnose soon

How much does it cost to fix B2562?

The estimated repair cost for B2562 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat