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B0035moderate severity✨ AI-generated

Driver Side Seat Heater Control Circuit

There’s a problem with the driver's seat heater circuit.

Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.

What it means (plain English)

The driver's seat heater isn't working because of a problem in the wiring or the heater itself, likely caused by a short or an open circuit.

What the computer is actually seeing

The vehicle's computer monitors the resistance in the seat heater circuit. It expects a specific range (usually 5-25 ohms when activated). If it sees an open circuit (infinite ohms) or a short (zero ohms), it will trigger the code.

What a healthy reading looks like

Resistance in the seat heater circuit should be between 5-25 ohms when activated, and close to infinite ohms when it's not activated.

Guided diagnostic — the DiagCoach way

Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.

  1. 11. Inspect the wiring for visible damage or disconnections. If you see any issues, repair them and retest. Decision Point: If wiring is intact, proceed to Step 2.
  2. 22. Check the connector at the seat heater element. Look for corrosion or loose connections. Clean or resecure as necessary. Decision Point: If connector is good, proceed to Step 3.
  3. 33. Using a multimeter, test the resistance of the seat heater element. If resistance is within 5-25 ohms, the element is likely good. Decision Point: If resistance is out of range, the element is bad. Replace it. If it’s in range, check the switch. Proceed to Step 4.
  4. 44. Test the driver seat heater switch for proper operation. Verify continuity when the switch is activated. If there’s no continuity, replace the switch. Decision Point: If the switch works, further diagnostics of the control module may be needed.

Common causes

  • Broken or damaged wiring in the seat heater circuit.
  • Faulty seat heater element.
  • Bad connector or corrosion at the connector terminals.
  • Faulty driver seat heater switch.

Typical repair cost

$$

Related codes

Frequently asked questions

Is it safe to drive with this code?

Yes, you can still drive, but the driver's seat heater won't function until it's fixed.

Will this code reappear after clearing it?

If the underlying issue isn't resolved, yes, the code will likely return.

Why is this paired with other B00XX codes?

Similar codes indicate issues with other seat functions or systems that operate on the same circuit.

Working a real vehicle right now?

Let DiagCoach walk you through it live with your specific symptoms, vehicle, and what you've already checked.

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