DTC Hummer P0137 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:
P0137
Definition:
Implausible Ignition Switch Status Message Received - Signal Stuck Low
Description:
The Body Control Module (BCM) monitors the hardwired ignition switch input circuit from the Radio Frequency (RF) Hub module and compares it to the ignition switch status message received over the Controller Area Network (CAN) bus.
Cause:
IGNITION RUN-START OUTPUT CIRCUIT OPENIGNITION RUN-START OUTPUT CIRCUIT SHORTED TO GROUNDRADIO FREQUENCY (RF) HUB MODULEBODY CONTROL MODULE (BCM)