B0830Left Front Turn Signal Circuit
- Generic OBD-II code · Body
- How the car detects it
- Open J2012 sources do not include B0830, and no workshop or NHTSA text quotes it, so it remains unconfirmed. The title covers the left front indicator. The GM-developed Saab 9-3 monitors this lamp as B0530 in its front electrical centre: a draw above 6 A for longer than 6 ms counts as a short to ground and the output is switched off, while less than 50 mA counts as an open circuit. FMVSS 108 (S9.3.6) requires that a failed turn lamp becomes visible to the driver through the pilot indicator, as steady light, no light or a clearly changed flash rate. HELLA advises checking the bulb, corrosion in the holder, the fuse and the plug before suspecting electronics. A dead front indicator hides turning intentions from oncoming traffic. Other corners: B0831, B0840, B0841.
- What you may notice
- Left front indicator dark, warning in the display
- Pilot light stays steady or flashes noticeably faster
- Turning intention not visible to oncoming traffic; repair promptly
- Likely causes
- LikelyIndicator bulb burnt out
- PossibleCorroded bulb holder or plug in the headlamp housing
- PossibleSupply wire shorted to ground, output shut off
- RareIndicator output of the electrical centre faulty
- Repair
- Easy · Often possible to do yourself.Typical cost: €5 – €250
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.