P20D4
Exhaust Aftertreatment Fuel Injector B Control Circuit High.
- Generic
- Powertrain
- Generic code
How this code is built
- P
- SystemPowertrain
- 2
- Defined bySAE, the same on every car
- 0
- AreaFuel and air metering, auxiliary emission controls
- D4
- FaultThe specific fault in that area
Guide
Writing the guide for P20D4. The first open of a code takes up to a minute.