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B1005 Honda Code - MICU Lost Communication With Relay Control Module

- Code Popularity: 11,170 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1005 Honda?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Relay Control Module
  • Relay Control Module harness is open or shorted
  • Relay Control Module circuit poor electrical connection
  • Faulty Multiplex Control Unit Module (MICU)
⚠ Does your Honda have Safety Recalls? → Check here

How to Fix the DTC B1005 Honda?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1005 Honda code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B1005 Honda Description

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

OBDII Code B1005 Honda - MICU Lost Communication With Relay Control Module - AutoCodes.com
B1005 Honda Code - MICU Lost Communication With Relay Control Module

Need More Information on the Code?

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Code B1005 Honda comments

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