DTC Saturn C12B1 Short Explanation
Channel: Maxidot
Date: 2020-09-17

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:
C12B1
Definition:
Lost Communication With Restraints Control Module
Cause:
A poor connection at the inoperative module may cause this code to set.An improperly powered module may cause this code to set.Some modules may not have internal protection for specific voltage outputs and may open a battery positive voltage or ignition voltage source fuse. If a voltage input fuse is open and no short is found in that circuit, ensure that no module output voltage circuit is shorted to ground before replacing the module.