DTC BMW P0161 Short Explanation
Channel: Maxidot BMW
Date: 20/06/2020

The video focuses on the basic BMW specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make: 
BMW 
Code: 
P0161 
Definition: 
HO2S (Bank 2 Sensor 2) Heater Circuit Malfunction 
Description: 
Engine running, battery voltage 11.5, all electrical components off, ground between engine and chassis well connected and the exhaust system must be properly sealed between catalytic converter and the cylinder head. The DME detected an open or shorted con 
Cause: 
HO2S heater power circuit or the heater ground circuit is open
HO2S signal tracking (due to oil or moisture in the connector)
HO2S has failed, or the DME has failed