2A67

2A67 - P3016

Information saved in
DME

Fault code
2A67 - P3016

Fault text
Oxygen sensor heating before catalytic converter, function

Fault description
Pre-catalyst oxygen sensor heater, operation

Condition for fault identification
Test condition:
Engine running
Terminal condition: none
Voltage condition:
10.7 V < electrical system voltage from main relay ubrsq <
16 V

Condition for fault memory entry
40 sec.

Action in service
1. Clear fault memory
2. Allow vehicle to completely enter sleep mode
3. Ignition on
4. If fault is still present, replace DME

Fault effect and breakdown warning
None
MIL lights up when fault is detected in two consecutive
driving cycles

Driver information
Warning light:
MIL ON

Service instruction
None