DTC Saturn B0081-39 Short Explanation
Channel: Maxidot
Date: 01/11/2020

The video focuses on the basic Saturn 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:
Saturn
Code:
B0081 39
Definition:
Knob Park Switch - Signal Stuck High
Description:
The Electronic Shift Module (ESM) monitors the internal park switch circuit for electrical failures. The park switch input is compared to the actual shifter position. If a discrepancy is detected, the switch is considered stuck open or closed depending on the actual shifter position. If a fault is detected with the internal park switch, a DTC will set and the Key Lock Solenoid will be disabled.
Cause:
PARK BUTTON OBSTRUCTIONSHIFTER ASSEMBLY
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).