Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2010528I (E60) L6-3.0L (N52K)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONP CODE CHARTSP165F
2010 BMW 528i (E60) L6-3.0L (N52K)
P165F
2010 BMW 528i (E60) L6-3.0L (N52K)SECTION P165F
2CA6 - P165F
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
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
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.