MSS60 Error: 273A, P0136, P013E, P2270, P2271

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273A - P2271

Information saved in DME
Fault code 273A - P2271
Fault text Oxygen sensor vibration check behind catalytic converter, bank 1
Fault description O2 Sensor Signal Biased/Stuck Rich (Bank 1 Sensor 2)
Condition for fault identification Test condition: Trim control suspicion with observation of P component and I component leads to guided LEAN control; if the post-cat oxygen sensor signal fails to respond accordingly, the error is assigned to the post-cat oxygen sensor
Terminal condition: Engine running
Voltage condition: none
Condition for fault memory entry After K_LAVK_OBD_ACT_NK_M_CNT (1x) LEAN control events the oxygen sensor remains stuck at RICH
Action in service 1. Check exhaust system for leaks
2. If OK, replace post-cat oxygen sensor LSNK B1
Fault effect and breakdown warning MIL on after engine runs 2x / no effects on drivability
Driver information Warning light: MIL
Service instruction None


273A - P0136

Information saved in DME
Fault code 273A - P0136
Fault text Oxygen sensor vibration check behind catalytic converter, bank 1
Fault description O2 Sensor Circuit (Bank 1 Sensor 2)
Condition for fault identification Test condition: Oxygen sensor signal too low, lower than threshold 649 mV (K_LANK_OBD_S_VL_US) for 2 (K_LANK_OBD_S_CNT) /K_LANK_OBD_S_AUTOM_CNT requests
Terminal condition: Engine running
Voltage condition: none
Condition for fault memory entry Time K_LANK_OBD_S_SA_T (3s) after SA for K_LANK_OBD_S_CNT (2x) /K_LANK_OBD_S_AUTOM_CNT (3x) tries
Action in service 1. Check exhaust system for leaks
2. If OK, replace post-cat oxygen sensor LSNK B1
Fault effect and breakdown warning MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction None


273A - P013E

Information saved in DME
Fault code 273A - P013E
Fault text Oxygen sensor vibration check behind catalytic converter, bank 1
Fault description O2 Sensor Delayed Response - Rich to Lean (Bank 1 Sensor 2)
Condition for fault identification Test condition: * Determine whether oxygen sensor voltage remains above 151 mV (K_LANK_OBD_S_SA_US) * Fault after 2 (K_LANK_OBD_S_CNT)/K_LANK_OBD_S_AUTOM_CNT attempts
Terminal condition: Engine running
Voltage condition: none
Condition for fault memory entry Full-load for K_LANK_OBD_S_VL_T (6s) for K_LANK_OBD_S_CNT (2x) /K_LANK_OBD_S_AUTOM_CNT (3x) attempts
Action in service 1. Check exhaust system for leaks
2. If OK, replace post-cat oxygen sensor LSNK B1
Fault effect and breakdown warning MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction None


273A - P2270

Information saved in DME
Fault code 273A - P2270
Fault text Oxygen sensor vibration check behind catalytic converter, bank 1
Fault description O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2)
Condition for fault identification Test condition: Trim control suspicion with observation of P component and I component laeds to guided RICH control; if the post-cat oxygen sensor signal fails to respond accordingly, the error is assigned to the post-cat oxygen sensor
Terminal condition: Engine running
Voltage condition: none
Condition for fault memory entry After K_LAVK_OBD_ACT_NK_F_CNT (1x) RICH control events the oxygen sensor sticks at LEAN
Action in service 1. Check exhaust system for leaks
2. If OK, replace post-cat oxygen sensor LSNK B1
Fault effect and breakdown warning MIL on after engine runs 2x / no effects on drivability
Driver information Warning light: MIL
Service instruction None