MSS60 Error: 272D, P0056, P0057, P0058

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272D - P0056

Information saved in DME
Fault code 272D - P0056
Fault text Oxygen sensor, output-stage diagnosis, heater behind cat., bank 2
Fault description HO2S Heater Control Circuit (Bank 2 Sensor 2)
Condition for fault identification Test condition: Driver info includes OPENLOAD
. Terminal condition: none
. Voltage condition: none
Condition for fault memory entry 100 ms
Action in service 1. Check plug and wiring harness on post-cat sensor LSNK B2,
. 2. If OK replace sensor
Fault effect and breakdown warning MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction none


272D - P0057

Information saved in DME
Fault code 272D - P0057
Fault text Oxygen sensor, output-stage diagnosis, heater behind cat., bank 2
Fault description HO2S Heater Control Circuit Low (Bank 2 Sensor 2)
Condition for fault identification Test condition: Driver info includes short circuit to ground
Terminal condition: none
Voltage condition: None
Condition for fault memory entry 100 ms
Action in service 1. Check plug and wiring harness on post-cat sensor LSNK B2,
2. If OK replace sensor
Fault effect and breakdown warning MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction None


272D - P0058

Information saved in DME
Fault code 272D - P0058
Fault text Oxygen sensor, output-stage diagnosis, heater behind cat., bank 2
Fault description HO2S Heater Control Circuit High (Bank 2 Sensor 2)
Condition for fault identification Test condition: Driver info includes short circuit to battery voltage
Terminal condition: none
Voltage condition: None
Condition for fault memory entry 100 ms
Action in service 1. Check plug and wiring harness on post-cat sensor LSNK B2,
2. If OK replace sensor
Fault effect and breakdown warning MIL on after engine runs 2x
Driver information Warning light: MIL
Service instruction None