2CA7 - P166F (DME)

2CA7 - P166F

Information saved in
DME

Fault code
2CA7 - P166F

Fault text
Oxygen sensor heating before catalytic converter 2, function

Fault description
Internal Control Module Measurement Error Oxygen Sensor
Heating (Bank 2, Sensor 1)

Condition for fault identification
Test condition:
Internal control-module fault, attempt to determine O2
sensor temperature failed
No fault memories
Terminal condition: Terminal 15, engine on
Voltage condition:
none

Condition for fault memory entry
Processor chip monitor, no valid temperature for more than
5 sec.

Action in service
Replace DME

Fault effect and breakdown warning


Driver information
Warning light:
none

Service instruction
none