VIDEO

Informace

GMC

GMC P1484

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

GMC P1484

Basic error definition

Channel 8 Audio Speaker Output - Circuit Resistance Below Threshold

Cause of DTC

The Radio Entertainment Telematics Module (ETM) manages the radio, hands-free, navigation, and satellite functions of the vehicle. The ETM becomes operational after receiving a wake up signal over the CAN-IHS data bus indicating the status of the ignition switch is On. Depending upon audio system options, the ETM can play audio from many different media sources, such as the 3.5 millimeter auxiliary (AUX) port, a universal serial bus (USB) port or through wireless Bluetooth™ audio streaming. The ETM uses a roof mounted antenna for AM FM signal reception; and depending upon optional equipment, a roof mounted combination antenna that can receive global positioning system (GPS) and satellite radio signals