27C6 - P2097 (DME)

27C6 - P2097

Information saved in
DME

Fault code
27C6 - P2097

Fault text
Oxygen sensor trim control diagnosis, Bank 1

Fault description


Condition for fault identification
Test condition:
Trim control must be active;
I-component determination must be completed and the data
adopted in the AD value
Terminal condition: Engine running
Voltage condition:
none

Condition for fault memory entry
Adaptation value reaches max. limit and sticks in this
position

Action in service
1. Check the fuel system and the exhaust system for leaks
2. Check pre-cat and post-cat sensors and replace as
indicated

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

Driver information
Warning light:
No

Service instruction
none