MSS60 Error: 274B, P2629

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274B - P2629

Information saved in DME
Fault code 274B - P2629
Fault text Oxygen sensor pump current calibration fault before cat. converter, bank 2
Fault description O2 Sensor Pumping Current Trim Circuit/Open (Bank 2 Sensor 1)
Condition for fault identification Test condition: Oxygen sensor is available, oxygen sensor voltage > 4951 mV (K_LAVK_OBD_SA_DIAG_OL)
. Terminal condition: Engine running - overrun condition
. Voltage condition: none
Condition for fault memory entry after a defined SA phase the lag period K_LAVK_OBD_SA_T (2.5 sec) must be completed
Action in service 1. Check plug and wiring harness on pre-cat oxygen sensor LSVK B2 (especially trim circuit wire IA),
. 2. If OK, replace oxygen sensor
Fault effect and breakdown warning MIL lamp on after engine runs 2x /Small influence on drivability
Driver information Warning light: MIL
Service instruction None