DTC Scion B1830-57 Short Explanation
Channel: Maxidot
Date: 2020-11-01

The video focuses on the basic Scion 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:
Scion
Code:
B1830 57
Definition:
HECU Fault
Description:
Case 1 • The test actuates all valves in series to detect shorts or shunts between the valve lines.Faults are detected if there is an error during the test.Case 2 • The drift test is executed only once during an ignition Cycle. If it detects partly shorted valve coils, almost inoperative coils or malfunction of the valve driver,a failure is recognized.
Cause:
 Inoperative HECU
Failure Type:
InvalidorIncompatible Software Component
This sub type is used by the control module to indicate that a software component (calibration or program) has been identified as invalid for the control module or incompatible with other hardware or software identified by the control module, e.g. a downloaded calibration software component is incompatible with a permanent or downloaded strategy software component.