DTC Hummer P1626 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:
P1626
Definition:
Power Tailgate Control Unit Lost Communication with Gauge Control Module (A or T Message)
Description:
Poor communication between the Power Tailgate Control Unit and the Gauge Control Module.If DTCs B1011, B1060, B1061, B1205, B1206, B1207, B1906, B1956, and or or B2160 are also indicated,perform the gauge control module input test.If no additional codes are present,perform the power tailgate control unit input test.
Cause:
 Loose or poor connections between the power tailgate control unit and the gauge control module Loose or poor connections between the Power Tailgate Control Unit and the Gauge Control ModuleBlown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse or relay box "Open" or "Short" between the Power Tailgate Control Unit and the Gauge Control ModuleFaulty Power Tailgate Control Unit Faulty Gauge Control Module