OBD Guide

B10BB

Left Heated Seat Switch Input Circuit Stuck

B10BB is an OBD-II diagnostic trouble code meaning: Left Heated Seat Switch Input Circuit Stuck. Common causes: heating switch malfunction, short circuit in the circuit. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Unstable operation of the left seat heating
  • Spontaneous heating on/off
  • The heating indicator does not respond to pressing
  • Error message on the dashboard

Causes

  • Heating switch malfunction
  • Short circuit in the circuit
  • Broken or damaged wiring harness
  • Problems with contacts in connectors
  • Malfunction of the heating control module

How to Fix

  1. Check the heating switch for mechanical damage
  2. Examine the condition of the contacts in the heating circuit connectors
  3. Check the integrity of the wiring harness from the switch to the module
  4. Scan circuit parameters using a diagnostic scanner
  5. If necessary, replace the switch or control module

Related codes

FAQ

What does the B10BB code mean?

B10BB is an OBD-II diagnostic trouble code that indicates: Left Heated Seat Switch Input Circuit Stuck

What causes a B10BB error code?

The most common causes of B10BB include: Heating switch malfunction; Short circuit in the circuit; Broken or damaged wiring harness; Problems with contacts in connectors.

How do I fix a B10BB diagnostic trouble code?

To fix B10BB: Check the heating switch for mechanical damage. Examine the condition of the contacts in the heating circuit connectors. Check the integrity of the wiring harness from the switch to the module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B10BB?

Yes, but get it checked soon

How much does it cost to fix B10BB?

The estimated repair cost for B10BB is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat