DTC GMC P2457 Short Explanation
Channel: Maxidot GMC
Date: 2020-06-20

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

We will continue to work on improving the content.
Our efforts at Maxidot s.r.o.the video content gets better.

#maxidot #dtc #howto #diagnostictroublecode #gmc




Make:
GMC
Code:
P2457
Definition:
Pulse Width Modulated (PWM) Delivered Torque
Description:
The ignition switch is ON.The DTC can be set after system initialization.
Cause:
It is very important that a thorough inspection of the wiring and connectors be performed.Failure to carefully and fully inspect wiring and connectors may result in misdiagnosis,causing part replacement with reappearance of the malfunction.If an