VIDEO

Informace

Acura

Acura P0404

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

Acura P0404

Basic error definition

Exhaust Gas Recirculation (EGR) Control Circuit Range Performance Problem

Cause of DTC

Vehicle at a speed between 15-75 mph, actual valve lift command at 0.012 in. (0.3 mm). The execution time is once per driving cycle and the duration time is 5 seconds or more. The difference between the command value of the amount of EGR valve lift in the PCM and the actual amount of valve lift is 0.041 in. (1.020 mm) or more for at least 5 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.