VIDEO

Informace

Chevrolet

Chevrolet P22A3

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 P22A3

Basic error definition

Power Steering Pressure Switch Circuit Intermittent

Cause of DTC

Engine coolant temperature is higher than 15°C (59°F). Vehicle speed is higher than 50 km h (31 mph). The ON OFF frequency of a power steering pressure switch is 10 Hz or more for 20 seconds. The power steering pressure switch changes from off to on more than 10 times for 1 second.