DTC GMC P1154 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

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Make:
GMC
Code:
P1154
Definition:
RL Hold Valve Malfunction
Description:
Rear inlet solenoid valve LH malfunction in VDCCM&amp; H or U.ABS,EBD and VDC are inoperative.
Cause:
 Defective harness connector Defective VDCH or U solenoid valve