P1420
Secondary Air Valve Control Circuit Electrical.
- BMW
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 4
- AreaAuxiliary emission controls
- 20
- FaultThe specific fault in that area
Guide
Writing the guide for P1420. The first open of a code takes up to a minute.
This code for other makes
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