AutoCodes - OBDII Code List - B1009 ACURA

B1009 ACURA - MICU Lost Communication With The Combination Switch Control Unit

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

B1009 ACURA Possible Causes

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

How do I fix code B1009 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 B1009 ACURA code

Labor: 1.0

The cost of diagnosing the B1009 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)

B1009 ACURA Description

The Multiplex Control Unit Module (MICU) monitors the Combination Switch Control Unit. The MICU sets the OBDII code when the Combination Switch Control Unit is not to factory specifications.
OBDII Code B1009 Acura - MICU Lost Communication With The Combination Switch Control Unit - AutoCodes.com

More Information

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