DTC Hummer B1001-46 Short Explanation
Channel: Maxidot Hummer
Date: 2020-06-20

The video focuses on the basic Hummer 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:
HUMMER
Code:
B1001 46
Definition:
A or T 4C Pressure Switch Sense Circuit Malfunction
Cause:
4C pressure is incorrect, or internal transmission faults exist4C Pressure Switch sense circuit is open, shorted to ground or power4C Pressure Switch is damaged or it has failedTCM Relay power circuit to L or R switch is open (loss of B+)PCM or TCM has failedIntermittent wiring and connector problems
Failure Type:
Calibration  or  Parameter Memory Failure
This sub type is used by the control module to indicate a calibration  or  parameter memory failure for embedded systems using FLASH memory. This is equivalent to EEPROM in RAM or ROM or EEPROM embedded systems.