VIDEO

Informace

Acura

Acura B1957

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 B1957

Basic error definition

Rear MICU Lost Communication with Combination Switch Control Unit (HLSW Message)

Cause of DTC

Poor communication between the rear MICU and the Combination Switch Control Unit. Poor communication between the rear MICU and the Combination Switch Control Unit. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. If DTCs B1007, B1062, B1063, B1155, B1156, B1957, B1958, and or B2969 are indicated, perform the Combination Switch Control Unit input test. If no codes are present, perform the rear MICU input test.