VIDEO

Informace

GMC

GMC P0561

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 P0561

Basic error definition

Rear Right Tail And Side Marker T1 (Fixed)-Circuit Short To Ground

Cause of DTC

Stop Lamps: When the brake pedal is pressed, the Body Control Module (BCM) provides a voltage output, through the Left and Right Stop Lamp Driver circuit, to the Left and Right Tail Lamp and Decklid Liftgate Lamp Assemblies. A ground path is provided to the Left and Right Tail Lamp and Decklid Liftgate Lamp Assemblies through the wiring harness to the body sheet metal.