VIDEO

Informace

Hyundai

Hyundai P2401

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

Hyundai P2401

Basic error definition

Lost Communication With Digital Audio Control Module (SDARS)

Cause of DTC

Sets when the Audio Control Module (ACM) status message is not received by the FDIM for greater than 5 seconds. When this message is missing, the FDIM will not display audio information. This DTC can be set when the vehicle experiences a low battery voltage condition, which should also set DTC B1318 in at least one module. The low battery voltage condition must be corrected before an accurate diagnosis of a missing message can be made. If there are no symptoms present, the DTC can be ignored.