P0136

273A - P0136

Information saved in
DME

Fault code
273A - P0136

Fault text
Bank 1 post-catalyst oxygen sensor oscillation check

Fault description


Condition for fault identification
Test condition:
* Engine speed within the limits K_LANK_OBD_S_NMin
and K_LANK_OBD_S_NMax *Engine running since at least
K_LANK_OBD_S_TML *Full-load condition for minimum
time K_LANK_OBD_S_Volllast_T
Terminal condition: Engine running
Voltage condition:
none

Condition for fault memory entry
Oxygen sensor signal too low (low threshold
K_LANK_OBD_S_Volllast_US) for
K_LANK_OBD_S_CNT/K_LANK_OBD_S_AUTOM_CNT
requests

Action in service
1. Check exhaust system for leaks
2. If OK, replace Bank 1 post-catalyst oxygen sensor

Fault effect and breakdown warning
MIL lamp lights up after two driving cycles

Driver information
Warning light:
No

Service instruction
none