Driver Side MPCS Unit Lost Communication With Relay Control Module


Table of contents

B2162 ACURA Possible Causes

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

How do I fix code B2162 ACURA?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the B2162 ACURA code

  The cost of diagnosing the B2162 ACURA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

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).

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