AutoCodes – Acura – B1950 Acura

B1950 Acura Code - Communication Bus Line Error

Quick Answer

The Multiplex Integrated Control Unit (MICU) has encountered a Communication Bus Line Error with other control units. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1950 Acura indicates Communication Bus Line Error.
Common causes
Common causes include 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.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 699
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 24, 2019
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Code B1950 Acura Description

The Multiplex Integrated Control Unit (MICU) has encountered a Communication Bus Line Error with other control units.
OBDII Code B1950 Acura - Communication Bus Line Error - AutoCodes.com
B1950 Acura Code - Communication Bus Line Error

What are the Possible Causes of the DTC B1950 Acura?

  • 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

How to Fix the DTC B1950 Acura?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1950 Acura code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1950 Acura Code

1. What are the common symptoms of OBDII code B1950 in an Acura related to Communication Bus Line Error?

The common symptoms include issues with the vehicle's network communications, such as the inability to connect to the diagnostic tool or irregular data transmission between modules.

2. What are the possible causes of the B1950 code in an Acura?

The code B1950 in an Acura is typically caused by problems with the communication bus lines, which can be due to damaged wiring, loose connections, faulty modules, or a malfunctioning diagnostic tool.

3. How can I diagnose the Communication Bus Line Error in my Acura?

To diagnose the Communication Bus Line Error, you can start by checking the wiring and connections related to the communication bus system. Using a diagnostic tool to scan for trouble codes and perform a network communication test can also help pinpoint the issue.

4. Can a DIY enthusiast repair the B1950 code in an Acura?

Repairing the B1950 code related to Communication Bus Line Error in an Acura may require advanced knowledge and specialized tools. While some DIY enthusiasts may be able to address simple wiring or connection issues, it's recommended to consult a professional mechanic for complex repairs.

5. How can I prevent the B1950 code from appearing in my Acura?

To prevent the B1950 code related to Communication Bus Line Error in your Acura, you can regularly inspect the wiring and connections of the communication bus system, avoid water damage to the modules, and ensure proper handling of diagnostic tools during maintenance.

6. What are the risks of ignoring the B1950 code in an Acura?

Ignoring the B1950 code related to Communication Bus Line Error in an Acura can lead to further communication issues between vehicle modules, potential malfunctions in critical systems, and difficulties in diagnosing other problems in the vehicle.

7. Is it safe to drive my Acura with the B1950 code present?

If the B1950 code related to Communication Bus Line Error is present in your Acura, it's generally not recommended to drive the vehicle until the issue is diagnosed and repaired. Continuing to drive with communication bus line problems can pose a risk to vehicle performance and safety.

8. How much does it cost to repair the B1950 code in an Acura?

The cost of repairing the B1950 code in an Acura can vary depending on the root cause of the issue, the extent of the repairs needed, and the labor rates of the mechanic. It's best to obtain a diagnostic and repair estimate from a qualified technician.

9. Can resetting the OBDII codes clear the B1950 code in an Acura?

Resetting the OBDII codes may temporarily clear the B1950 code related to Communication Bus Line Error in an Acura, but if the underlying issue is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.

10. Will the B1950 code cause my Acura to fail an emissions test?

The B1950 code itself may not cause your Acura to fail an emissions test, as it is related to communication bus line errors rather than emissions control. However, unresolved issues with the communication system can impact the overall performance of the vehicle, which may indirectly affect emissions.

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