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B1800 Acura Code - Communication Bus Line Error

- Code Popularity: 2,252 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1800 Acura?

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 Multiplex Integrated Control Unit (MICU)
  • Multiplex Integrated Control Unit (MICU) harness is open or shorted
  • Multiplex Integrated Control Unit (MICU) circuit poor electrical connection
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How to Fix the DTC B1800 Acura?

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 B1800 Acura 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 B1800 Acura Description

The Multiplex Integrated Control Unit (MICU) has encountered a Communication Bus Line Error with other control units.

OBDII Code B1800 Acura - Communication Bus Line Error - AutoCodes.com
B1800 Acura Code - Communication Bus Line Error

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