DTC Hummer C0550-43 Short Explanation
Channel: Maxidot
Date: 2020-11-10

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:
C0550 43
Definition:
IAT sensor low voltage (high air temperature)
Cause:
Sensor to ECM circuit short circuit to groundSensor failure
Failure Type:
Special Memory Failure
This sub type is used by the control module to indicate a memory failure where the specific memory type is not defined in this category.