DTC GMC B0086-39 second Short Explanation
Channel: Maxidot GMC
Date: 20/06/2020

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:
B0086 39
Definition:
Pressure Regulator Valve 3 Plausibility
Description:
The current to or from the pressure regulator valve is either higher or lower than the threshold value.
Cause:
Pressure control solenoid circuit is shorting to groundPressure control solenoid circuit is openValve has failedTCM has failed
Failure Type:
Signal Has Too Few Pulses
This sub type is used for failures where the control module measures too few pulses (e.g., position is calibrated in counts from one extreme to the other).