MSS60 Error: 273F, P0050
From Wiki-DIY
| Information saved in | DME |
| Fault code | 273F - P0050 |
| Fault text | Oxygen sensor final stage diagnosis heater before cat. converter, bank 2 |
| Fault description | HO2S Heater Control Circuit (Bank 2 Sensor 1) |
| Condition for fault identification | Test condition: Driver info includes OPENLOAD |
| Terminal condition: none | |
| Voltage condition: none | |
| Condition for fault memory entry | 5000 ms |
| Action in service | 1. Check plug and wiring harness on pre-cat oxygen sensor LSVK B2, |
| 2. If OK replace oxygen sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
