273F - P0050 (DME)

273F - P0050

Information saved in
DME

Fault code
273F - P0050

Fault text
Oxygen sensor final stage diagnosis heater before cat.
converter, bank 2

Fault description
HO2S Heater Control Circuit (Bank 2 Sensor 1)

Condition for fault identification
Test condition:
Driver info includes OPENLOAD
Terminal condition: none
Voltage condition:
none

Condition for fault memory entry
5000 ms

Action in service
1. Check plug and wiring harness on pre-cat oxygen sensor
LSVK B2,
2. If OK, replace oxygen sensor

Fault effect and breakdown warning
MIL on after engine runs 2x

Driver information
Warning light:
MIL

Service instruction
none