2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 113
Information saved in
DME
Fault code
2CA6 - P165F
Fault text
Oxygen sensor heating before catalytic converter, function
Fault description
Internal Control Module Measurement Error Oxygen Sensor
Heating (Bank 1, 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
(DME) Condition For Fault Memory Entry - None
2CA7 - P0155
Information saved in
DME
Fault code
2CA7 - P0155
Fault text
Oxygen sensor heating before catalytic converter 2, function
Fault description
O2 Sensor Heater Circuit (Bank 2 Sensor 1)
Condition for fault identification
Test condition:
Data content defined
Terminal condition: none
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning
