MSS60 Error: 27BA, P0171, P0172, P0177, P0178
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27BA - P0171
| Information saved in | DME |
| Fault code | 27BA - P0171 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P0171
| Information saved in | DME |
| Fault code | 27BA - P0171 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Lean (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F) |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P2177
| Information saved in | DME |
| Fault code | 27BA - P2177 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Lean Off Idle (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P2177
| Information saved in | DME |
| Fault code | 27BA - P2177 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Lean Off Idle (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F) |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P0172
| Information saved in | DME |
| Fault code | 27BA - P0172 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Rich (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P0172
| Information saved in | DME |
| Fault code | 27BA - P0172 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Rich (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F) |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P2178
| Information saved in | DME |
| Fault code | 27BA - P2178 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Rich Off Idle (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |
27BA - P2178
| Information saved in | DME |
| Fault code | 27BA - P2178 |
| Fault text | Fuel system, lambda/charge plausibility, bank 1 |
| Fault description | System Too Rich Off Idle (Bank 1) |
| Condition for fault identification | Test condition: Deviation from mean value (depending on psau, lam, aq) in percent is determined and compared with the max. deviation (in relation to rpm/load factor) KF_FPLAU_OBD_LAM_DELTA_ML_MAX * expansion factor (KL_FPLAU_OBD_LAM_CSS_F) |
| Terminal condition: Engine running | |
| Voltage condition: none | |
| Condition for fault memory entry | 10000 ms |
| Action in service | 1. Check the fuel system for leaks |
| 2. System test routine | |
| 3. HFM and charge path must be flawless. | |
| 4. Defective fuel pressure sensor | |
| Fault effect and breakdown warning | MIL on after engine runs 2x |
| Driver information | Warning light: MIL |
| Service instruction | None |