MSS60 Error: 27C5, P2430
From Wiki-DIY
| Information saved in | DME |
| Fault code | 27C5 - P2430 |
| Fault text | Air-mass sensor, secondary air, plausibility |
| Fault description | Secondary Air Injection System Air Flow/Pressure Sensor Circuit (Bank 1) |
| Condition for fault identification | Test condition: sls_obd_max after 10 sec. SLS operation under KL_SLS_OBD_HFM_DIAG_MIN or after 20 sec. SLS_operation sls_obdh_mdf_max_intg_norm < K_SLS_OBDH_EUV_MIN_DEF and higher exhaust gas lamda |
| Terminal condition: Engine running | |
| Voltage condition: Battery voltage > 10.8 V (k_sls_obd_ub_min) | |
| Condition for fault memory entry | 30000 ms |
| Action in service | 1. Remove secondary air line from secondary air pump |
| 2. Conduct test routine | |
| 3. If secondary air pump runs/air flows out, and error is still logged, replace the mini-HFM | |
| Fault effect and breakdown warning | MIL is on after 2x engine cold start |
| Driver information | Warning light: MIL |
| Service instruction | None |
