B0050 fault code: what it means

B0050: Driver seat belt sensor fault. Belt warning and airbag logic may be affected.

Body · Costly if missed

Usual causes, most likely first

buckle sensor
wiring under seat

B0050 by make

Ford

Driver seat belt sensor fault. Belt warning and airbag logic may be affected.

Usual causes: buckle sensor; wiring under seat

Holden

Driver seat belt sensor fault.

Usual causes: buckle switch; wiring under seat

Jeep

Driver seatbelt buckle switch circuit open or out of range. Airbag light on (Renegade, Cherokee). FCA replaces the inline seat connector on Renegade.

Usual causes: inline seat connector; buckle switch; under-seat wiring

MG

MG: driver seat belt sensor fault.

Usual causes: buckle switch; wiring under seat

What the repair usually costs

Parking sensor replace, one sensorNZ$130–NZ$520 · A$130–A$510

Not sure what B0050 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.