P1477
Leakage Diagnostic Pump Reed Switch Did Not Open.
- BMW
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 4
- AreaAuxiliary emission controls
- 77
- FaultThe specific fault in that area
Guide
Writing the guide for P1477. The first open of a code takes up to a minute.