VIDEO

Informace

Chevrolet

Chevrolet U0249

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

Chevrolet U0249

Basic error definition

Short in Shift Solenoid Valve A Circuit

Cause of DTC

The return signal does not match the command to turn ON shift solenoid valve A for at least 1 second. The execution time is continuous and the duration time is 2 seconds or more. DTCs P0974, P0982, P0983 are not active. NOTE: This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.