DTC Hummer B2563-00 Short Explanation
Channel: Maxidot
Date: 2020-10-23

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:
B2563 00
Definition:
A or C Refrigerant Low Side Fluid Pressure Sensor Circuit Above Maximum Threshold
Description:
Engine is running.Any of the conditions for setting the DTC are met for 15 seconds.
Cause:
The HVAC control module detects that the A or C pressure is less than 2.03 psi (14 kPa) sets DTC P2518 12.The HVAC control module detects that the A or C pressure is more than 101.5 psi (700 kPa) sets DTC P2518 11.
Failure Type:
No Sub Type Information
This sub type is used for failures where the base DTC text string provides the complete description of the failure itself (no Category and no Sub Type information used, e.g. emissions-related DTC (012700 hex): P0127 Intake Air Temperature Too High).