OBD Guide
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B242D

Passenger Seat Temperature Request Circuit

B242D is an OBD-II diagnostic trouble code meaning: Passenger Seat Temperature Request Circuit. Common causes: open or short circuit in wiring harness, seat temperature sensor 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 seat heating or cooling
  • No response to temperature adjustment
  • The malfunction indicator on the instrument panel lights up

Causes

  • Open or short circuit in wiring harness
  • Seat temperature sensor malfunction
  • Problems with the comfort system control unit
  • Damage to heating elements or fans

How to Fix

  1. Check wiring harness for damage
  2. Test the seat temperature sensor
  3. Check the comfort system control unit
  4. Replace faulty components

Related codes

B242CB242EB2430

FAQ

What does the B242D code mean?

B242D is an OBD-II diagnostic trouble code that indicates: Passenger Seat Temperature Request Circuit

What causes a B242D error code?

The most common causes of B242D include: Open or short circuit in wiring harness; Seat temperature sensor malfunction; Problems with the comfort system control unit; Damage to heating elements or fans.

How do I fix a B242D diagnostic trouble code?

To fix B242D: Check wiring harness for damage. Test the seat temperature sensor. Check the comfort system control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B242D?

Limited driving only, diagnose soon

How much does it cost to fix B242D?

The estimated repair cost for B242D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat