DTC Toyota C1268-68 Short Explanation
Channel: Maxidot Dodge
Date: 2020-09-05

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:
C1268 68
Definition:
Tire Pressure Sensor. Low Battery Voltage
Description:
The upper electronic module (UEM) receives information transmitted by the tire pressure sensors in the wheels,irrespective of the car.The sensors which are registered in the vehicle can be checked by running a statistical selection.A list can then be stored internally in the upper electronic module (UEM).The messages transmitted by the sensors contain information such as the voltage of the internal battery in the sensor.The diagnostic trouble code (DTC) is stored if the upper electronic module (UEM) receives a message from the third of the four accepted sensors indicating low battery voltage.The diagnostic trouble code (DTC) can be diagnosed after 10 minutes when the tire pressure warning system is active (vehicle speed is above 40 km or h (25 mph)).
Cause:
Low battery voltage in the tire pressure sensor.
Failure Type:
Event Information
This sub type is used by the control module to indicate the detection of a system event that was not caused by the control module itself but forces the control module to store a DTC (e.g. missing functionality from another system or control module).