DTC GMC B009F-4A second Short Explanation
Channel: Maxidot GMC
Date: 2020-06-20

The video focuses on the basic GMC-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:
GMC
Code:
B009F 4A
Definition:
IMPLAUSIBLE DATA RECEIVED FROM DRIVER BLIND SPOT SENSOR - ERRATIC
Description:
With the ignitionon. Vehicle speedgreater than 9.6 km or h (6 mph). Blind Spot Module(BSM) does not receive messages from the Left Rear Blind Spot Sensor
Cause:
(F923) RUN RELAY OUTPUTCIRCUIT OPEN(Z922) GROUND CIRCUITOPEN(D764) BLIND SPOT SENSORDATA LINK LOW CIRCUIT OPEN(D765) BLIND SPOT SENSORDATA LINK HIGH CIRCUIT OPENLEFT REAR BLIND SPOTSENSORBLIND SPOT MODULE (BSM)
Failure Type:
Incorrect Component Installed
This sub type is used by the control module to indicate a mismatch between the hardware connected to the control module and the hardware expected by the control module.