DTC Toyota C1238-38 Short Explanation
Channel: Maxidot
Date: 22/12/2020

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:
C1238 38
Definition:
TCS Control Unit
Description:
Freeze frame data is not stored in the ECM for this self-diagnosis. The MIL will not illuminate for this self-diagnosis. ECM receives malfunction information from “ABS actuator and electric unit (control unit)”.
Cause:
 ABS actuator and electric unit (control unit) TCS related parts
Failure Type:
Signal Frequency Incorrect
This sub type is used for failures where the control module measures an incorrect number of cycles in a given time period.