27CC

27CC - P0141

Information saved in
DME

Fault code
27CC - P0141

Fault text
Bank 1 post-catalyst oxygen sensor heater output

Fault description


Condition for fault identification
Test condition:
Designation - * Current resistance value is present, no
electrical error is present
Terminal condition: Engine running
Voltage condition:
ub > K_ED_PlusMin

Condition for fault memory entry
Resistance < K_LSHNK_DIAG_RU or resistance >
K_LSHNK_DIAG_RO

Action in service
1.) Check plug and wiring harness at the oxygen sensor
2.) Replace the oxygen sensor

Fault effect and breakdown warning
MIL lamp lights up after engine runs 2X

Driver information
Warning light:
No

Service instruction
none