MSS60 Error: 27B2, P1412

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Information saved in DME
Fault code 27B0 - P0491
Fault text Secondary air system flow rate, bank 1
Fault description Secondary Air Injection System Insufficient Flow (Bank 1)
Condition for fault identification Test condition: sls_obdh_mdf_max_intg_norm (after roughly 30s)<K_SLS_OBDH_MDF_MIN_DEF and
. sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_MDF_2_MAG or
. sls_obdh_lam_asv_intg_norm < k_SLS_OBDH_ASV_LI_OPE and K_SLS_OBDH_MDF_MIN_DEF>K_SLS_OBDH_MDF_MAX_DEF
. 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. Disconnect secondary air line
. 2. Carry out test routine
. 3. If flow is too high, replace the ASV
. 4. Otherwise check Line 1 for obstructions and replace as indicated
Fault effect and breakdown warning MIL is on after 2x engine cold start
Driver information Warning light: MIL
Service instruction None