VIDEO

Informace

Chevrolet

Chevrolet P0B4B

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 P0B4B

Basic error definition

Lateral Acceleration Sensor

Cause of DTC

To aid with vehicle stabilization and braking the Powertrain Control Module (PCM) monitors the Anti-Lock Braking System (ABS) Module for indicators of what mode of operation the ABS Module is currently in. The PCM receives ABS Sensor signals in raw data bussed from the ABS Module. These are Controlled Area Network (CAN) signals which include sensor data that is that is a direct input to the ABS Module. The PCM is required to diagnose these raw signals and set DTCs for any failures.