DTC BMW P3215 Short Explanation
Channel: Maxidot BMW
Date: 2020-06-20

The video focuses on the basic BMW 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: 
P3215 
Definition: 
CAN Message Monitoring IHKA (Automatic Heating and Air Conditioning) No Signal 
Description: 
The Engine Control Module (DME) communicates with all databus-capable control modules via a CAN databus. These databus-capable control modules are connected via two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information 
Cause: 
CAN data bus wires have short circuited to each other
ECU has failed
BUS system failure
Defective bus controller (EGS)