Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
4Original wording in English
PORSCHE
Technical Information - Flashing Function for Auxiliary Headlights Faulty / Fault Memory Entry "C11A401" in Control Unit for Headlight Bulb: Re-Code Control Unit for Headlight Bulb (231/24)
AUDI
This bulletin contains a software update for DTC B182700 or DTC C1198F8, C1199F9, C123AF8, and C11A4F8.
AUDI
This bulletin contains a software update for DTC B182700 or DTC C1198F8, C1199F9, C123AF8, and C11A4F8.
AUDI
This bulletin contains a software update that addresses a intermittent turn signal malfunction message in the instrument cluster with DTC C11A415.
Check vehicle applicability
15A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.