DTC GMC C0277-4B 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:
C0277 4B
Definition:
IPC Instrument Panel Control Lamp Feedback Awl - Component Failures
Description:
The Instrument Panel Cluster (IPC) performs a bulb test on the Airbag Warning Lamp and if it recognizes a failure, reports this to the Occupant Restraint Controller (ORC).
Cause:
Instrument Panel Cluster (Ipc)Occupant Restraint Controller (Orc)
Failure Type:
Over Temperature
This sub type is used by the control module to indicate the detection of an internal temperature above the expected range.