OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Body generic / SAE

B0335

Driver Seat Heater Circuit

The body control module has detected a fault in the driver seat heater circuit. The heating element or wiring is open or shorted — the seat does not heat.

SystemBody
Typegeneric / SAE
GroupB0
Range / number3 / 35

Possible causes

  • Heater element broken high
  • Seat connector corroded medium

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Inspection / repair

  • Difficulty: medium
  • DIY: shop recommended
  • Estimated cost: 150–800 €
  • Estimated time: 1–4 h
  • Component: seat heater element
  • Component: seat wiring harness

Sources

References

sae:J2012

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication