VIDEO

Informace

Chevrolet

Chevrolet U2127

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 U2127

Basic error definition

Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor B

Cause of DTC

Engine started, engine running, and the DME detected a deviation between the crankshaft position sensor signal and the camshaft position sensor. A rationality error has been detected for camshaft position out of phase with crankshaft.