VIDEO

Informace

Hummer

Hummer B2708

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

Hummer B2708

Basic error definition

Starter Cut Relay 1 Malfunction

Cause of DTC

Engine running, Starter switch OFF cut relay turn on switching failure, ON STRLD open circuit failure. One of these conditions occurs. (1) The terminal voltage of the STRLD exceeds 3.0 volts for at least 5 seconds when the starter cut relay output is turned off. (2) The terminal voltage of the STRLD is 2.4-2.6 volts for at least 0.8 second when the starter cut relay output is turned on. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.