Engine-Codes - Acura - B1056 ACURA

B1056 ACURA - Relay Control Module Lost Communication With MICU

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1056 ACURA Possible Causes

  • Faulty Multiplex Control Unit Module (MICU)
  • Multiplex Control Unit Module (MICU) harness is open or shorted
  • Multiplex Control Unit Module (MICU) circuit poor electrical connection
  • Faulty Relay Control Module

How is the B1056 ACURA code repair?

Start by checking 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.

What is the cost to diagnose the B1056 ACURA code

Labor: 1.0

The cost to diagnose the B1056 ACURA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B1056 ACURA Meaning

The Relay Control Module monitors the Multiplex Control Unit Module (MICU). The Relay Control Module sets the OBDII code when the Multiplex Control Unit Module (MICU) is not to factory specifications.

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