Engine-Codes - Acura - B1057 ACURA

B1057 ACURA Code - Relay Control Module Lost Communication With MICU

- Code Popularity: 1,791 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the B1057 ACURA Code?

  • 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 to Fix the B1057 ACURA Code?

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 B1057 ACURA code?

Labor: 1.0

The cost to diagnose the B1057 ACURA code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are B1057 ACURA code possible symptoms?

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

|What Does the B1057 ACURA Code Mean?

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.

Relay Control Module Lost Communication With MICU

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