DTC Chevrolet P1397 Short Explanation
Channel: Maxidot
Date: 2020-12-12

The video focuses on the basic Chevrolet 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:
Chevrolet
Code:
P1397
Definition:
ESC Signal Error
Description:
Case 1 • If the controller requests pressure-hold or pressure-decrease for longer than 1.28 s,a fault is stored.Case 2 • The monitoring reports a failure if continuous ESC control occurs for a time period &gt; = 10 s.
Cause:
 Inoperative HECU