DTC Hummer P0204 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:
P0204
Definition:
Electronic Control Unit (ECU) Performance General Checksum Failure
Description:
The system voltage is between 9-16 V.
Cause:
U1500 01When there is a short to voltage in the local interconnect network bus circuit.U1500 02When there is a short to ground in the local interconnect network bus circuit.The module has detected an internal malfunction.U1511, U1512The DTC will set when there is an open or high resistance in the local interconnect network bus circuit,or an open in the voltage or ground circuits of the motor or module.