B00D0Driver Seat Belt Indicator
- Generic OBD-II code · Body
- How the car detects it
- B00D0 reports a fault in the driver's seat belt warning, meaning the lamp, its circuit or the output or message that drives it, not the buckle switch. No carmaker documents it publicly. The warning itself is mandatory: FMVSS 208 S7.3 asks at ignition-on for a 4 to 8 s chime plus a lamp for at least 60 s while the driver is unbelted, or a 4 to 8 s lamp with the chime tied to the unfastened belt; from September 2028 S7.5 keeps the lamp on as long as the belt is open and adds a second chime phase above 10 km/h. FMVSS 101 forbids cancelling the telltale early. UN R16 asks for a first visual stage of at least 4 s and a second, audible one of 30 s or more, starting by 25 km/h, 500 m or 60 s. With B00D0 the driver may get no reminder at all.
- What you may notice
- Driver belt warning lamp stays dark or stays on regardless of the belt
- Airbag or restraint warning lamp may be on
- Safety note: legally required warning missing; buckle up regardless, cluster and restraint wiring only de-energised (ignition off, battery off, wait time), specialist workshop
- Likely causes
- LikelyOpen or shorted lamp circuit or connector between restraint module and cluster
- PossibleWarning lamp or LED in the instrument cluster failed
- RareBelt warning message not received by the cluster, for example after a cluster change without configuration
- Repair
- Medium · Usually a job for a workshop.Typical cost: €40 – €500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.