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

B0152

Driver Buckle Switch Circuit Malfunction

The driver seatbelt buckle switch circuit, used to detect whether the belt is fastened, is malfunctioning. The seatbelt warning may be permanently on or off.

SystemBody
Typegeneric / SAE
GroupB0
Range / number1 / 52

Possible causes

  • Buckle switch worn or stuck high
  • Wire break under seat medium

Symptoms

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

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 80–350 €
  • Estimated time: 0.5–1.5 h
  • Component: driver buckle switch
  • Component: body control module

Sources

References

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