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:
P2122
Definition:
Ride Height Air Pump Control - Circuit Open
Description:
When the Air Suspension Control Module (ASCM) detects an open relay or circuit while the ignition is in the Run position.
Cause:
AIR SUSPENSION RELAYCOMPRESSOR RELAY SIGNAL CIRCUIT OPEN OR HIGH RESISTANCECOMPRESSOR RELAY RETURN CIRCUIT OPEN OR HIGH RESISTANCECOMPRESSOR RELAY RETURN CIRCUIT SHORTED TO GROUNDCOMPRESSOR RELAY SIGNAL CIRCUIT SHORTED TO COMPRESSOR RELAY RETURN CIRCUITAIR SUSPENSION CONTROL MODULE (ASCM)

свернуть