P2181
Engine coolant heater failure, Engine coolant level is too low, Thermostat failure.
- Audi
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 2
- Defined bySAE, the same on every car
- 1
- AreaFuel and air metering
- 81
- FaultThe specific fault in that area
Guide
Writing the guide for P2181. The first open of a code takes up to a minute.