OBD Guide
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B2430

Passenger Seat Heater Circuit

B2430 is an OBD-II diagnostic trouble code meaning: Passenger Seat Heater Circuit. Common causes: open or short circuit in the heating circuit, heating element malfunction. Estimated repair cost: $33–167.

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

Symptoms

  • Heated front passenger seat does not work
  • Seat heating indicator flashes
  • Error message on the dashboard

Causes

  • Open or short circuit in the heating circuit
  • Heating element malfunction
  • Seat wiring harness damaged
  • Problems with the heating control module
  • Oxidation of connector contacts

How to Fix

  1. Check the heating circuit fuse
  2. Inspect the seat wiring harness for damage.
  3. Check the resistance of the heating element
  4. Scan the heating module for errors
  5. Replace faulty components

Related codes

B2425B2435B2440

FAQ

What does the B2430 code mean?

B2430 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Heater Circuit

What causes a B2430 error code?

The most common causes of B2430 include: Open or short circuit in the heating circuit; Heating element malfunction; Seat wiring harness damaged; Problems with the heating control module.

How do I fix a B2430 diagnostic trouble code?

To fix B2430: Check the heating circuit fuse. Inspect the seat wiring harness for damage.. Check the resistance of the heating element. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2430?

Yes, but get it checked soon

How much does it cost to fix B2430?

The estimated repair cost for B2430 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat