C0084Traction Active Indicator
- Generic OBD-II code · Chassis
- How the car detects it
- Covers the traction-active indicator, the lamp that flashes to tell the driver traction control is currently intervening, as driven or monitored by the ABS/ESC module. The module flashes this lamp during a traction event and monitors the output circuit; this code is set when the indicator circuit is open or shorted, the lamp does not respond, or commanded and observed states disagree. It concerns the indicator path, not the traction function itself, so traction control may still operate while the driver loses its activity feedback. Traction-control patents describe the controller cutting torque and modulating brakes during intervention, which this lamp signals. No code-specific public bulletin was confirmed; the entry follows the SAE J2012 generic definition and warning-lamp output monitoring.
- What you may notice
- Traction indicator stuck on or off
- No feedback during traction events
- Failed lamp self-check
- Likely causes
- LikelyOpen or shorted indicator circuit
- PossibleLamp request not reaching the cluster
- RareFailed indicator bulb or driver
- Repair
- Medium · Often possible to do yourself.Typical cost: €20 – €350
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.