P2414

273C - P2414

Information saved in
DME

Fault code
273C - P2414

Fault text
Oxygen sensor, part/full-load diagnosis, before cat., bank 1

Fault description
O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1)

Condition for fault identification
Test condition:
Oxygen sensor voltage less than 4800 mV
(K_LAVK_OBD_TL_SCHW_MAX) and greater than 3149
mV (K_LAVK_OBD_TL_SCHW_MIN) for a total of 1
(K_LAVK_OBD_TL_CNT) after a lag period before active
functionality of 8s (K_LAVK_OBD_TL_T) seconds
Terminal condition: Engine running - Condition part-load or
full-load
Voltage condition:
none

Condition for fault memory entry
K_LAVK_OBD_TL_T- seconds (8s) lag
frr K_LAVK_OBD_TL_CNT-attempts (1x)

Action in service
1. Install oxygen sensor in exhaust system (oxygen sensor
exposed to ambient air)

Fault effect and breakdown warning
MIL on after engine runs 2x
Possible negative effects on drivability

Driver information
Warning light:
MIL

Service instruction
none