DTC Hummer B1000-38 Short Explanation
Channel: Maxidot Hummer
Date: 20/06/2020

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:
B1000 38
Definition:
Fuel Level Sensor High Input
Description:
Key on or engine running;  and the PCM detected the raw fuel level sensor signal was more than 4.90v at any time during the CCM test.
Cause:
Fuel level sensor signal circuit is shorted to system powerFuel level sensor ground circuit is openFuel level sensor is damaged or has failedPCM has failed
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.