Body, generic

B00D0 Driver Seat Belt Indicator

Check engine lightUsually off
EmissionsNot relevant
Drive cycleNot required
Limp modeNo

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.

Likely causes

Open or shorted lamp circuit or connector between restraint module and cluster
Warning lamp or LED in the instrument cluster failed
Belt warning message not received by the cluster, for example after a cluster change without configuration

Symptoms

  • 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

Repair estimate

DifficultyMediumWorkshop job
Parts and labour€40–500
Time0.3–2 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

driver belt indicatorinstrument clustersrs control module

Related codes

B00D1B0050B00D2

References: law.cornell.edu, law.cornell.edu, mlit.go.jp.