DTC Saturn U2100-00 Short Explanation
Channel: Maxidot Saturn
Date: 03/10/2020

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:
U2100 00
Definition:
CVT Drive Pulley Pressure Control Valve Stuck OFF or CVT Driven Pulley Pressure Control Valve Stuck ON
Description:
With the vehicle driven between 40-50 mph (65-80 km or h) on a flat road for at least 15 seconds,then stop the vehicle pressing the brake pedal for 5 seconds.Both of the following judgement malfunctions must be met.Judgement A: The pulley ratio is 0.3-0.8 for at least 2.5 seconds.Judgement B: The pulley ratio is 3 for at least 12 seconds.
Cause:
 Poor connections or loose terminals between the CVT drive pulley pressure control solenoid valve,the CVT driven pulley pressure control solenoid valve,and the PCM Faulty CVT drive pulley pressure control solenoid valve and CVT driven pulley pressure control solenoid valve Faulty transmission
Failure Type:
No Sub Type Information
This sub type is used for failures where the base DTC text string provides the complete description of the failure itself (no Category and no Sub Type information used, e.g. emissions-related DTC (012700 hex): P0127 Intake Air Temperature Too High).