The video focuses on the basic Toyota 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:
Toyota
Code:
P0418
Definition:
Class 2 Communications Malfunction
Description:
Modules connected to the Class 2 circuit monitor for serial data communications during normal vehicle operation.Operating data and commands are exchanged among modules.When a module receives a message for a critical operating parameter,the module records the identification number of the module that sent the message.These Node Alive messages are used for State of Health monitoring.A critical operating parameter is one which,when not received,requires the module use a default value for that parameter.If a module does not associate an ID number with at least one critical parameter in 5 seconds after starting communication,U1000 or U1255 is set.If two or more are missing,the code sets at once.
Cause:
Class 2 circuit is open,shorted to ground or shorted to powerPCM ignition power circuit(s) has a high resistance conditionPCM main ground circuit(s) has a high resistance condition

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