B2162 ACURA – Driver Side MPCS Unit Lost Communication With Relay Control Module

B2162 ACURA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B2162 ACURA Possible Causes

Faulty Relay Control Module,Relay Control Module harness is open or shorted,Relay Control Module circuit poor electrical connection

B2162 ACURA Description

The Driver Side Multiplex Control System (MPCS) has encountered a communication error with the Relay Control Module and the set the Diagnostic Trouble Code (DTC).