DTC Chrysler B1977 Short Explanation
Channel: Maxidot Audi
Date: 20/06/2020

The video focuses on the basic Chrysler 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:
Chrysler
Code:
B1977
Definition:
Power Liftgate Open Direction - Sector Switch Performance
Description:
The sector switch is essentially a park switch for the latch. When the latch is running a cinch or release operation, the switch is closed. After the cinch or release is complete, the PLGM will reverse direction of the latch until the switch is open.
Cause:
BINDING LIFTGATELATCH NOT IN HOME POSITIONLOGIC GROUND CIRCUIT FAULTY WIRINGSECTOR SWITCH SENSE CIRCUIT FAULTY WIRINGPOWER LIFTGATE LATCHPOWER LIFTGATE MODULE (PLGM)