AutoCodes – Acura – B1228 Acura

B1228 Acura Code - Short In The Outside Air Temperature Sensor Circuit

Quick Answer

The Climate Control Unit monitors the Outside Air Temperature Sensor. Common causes include Faulty Outside Air Temperature Sensor, Outside Air Temperature Sensor harness is open or shorted, Outside Air Temperature Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B1228 Acura indicates Short In The Outside Air Temperature Sensor Circuit.
Common causes: Common causes include Faulty Outside Air Temperature Sensor, Outside Air Temperature Sensor harness is open or shorted, Outside Air Temperature Sensor circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 1,621

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1228 Acura Description

The Climate Control Unit monitors the Outside Air Temperature Sensor. The Climate Control Unit sets the OBDII code when the Outside Air Temperature Sensor is not to factory specifications.

OBDII Code B1228 Acura - Short In The Outside Air Temperature Sensor Circuit - AutoCodes.com — B1228 Acura Code - Short In The Outside Air Temperature Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC B1228 Acura?

Faulty Outside Air Temperature Sensor
Outside Air Temperature Sensor harness is open or shorted
Outside Air Temperature Sensor circuit poor electrical connection
Faulty Climate Control Unit

How to Fix the DTC B1228 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 B1228 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.

Need more information about the B1228 Acura code?

Need more information on how to fix the B1228 Acura code? Get Access to Factory Service Manuals

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Get the B1228 Acura code diagnosed by a professional: Find a repair shop in your area

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 B1228 Acura Code

1. What does the OBDII code B1228 indicate on an Acura?

Code B1228 indicates there is a short in the outside air temperature sensor circuit in your Acura. This typically means there is an electrical fault within the wiring or the sensor itself that measures the ambient air temperature outside the vehicle.

2. What are common symptoms of the OBDII code B1228 in an Acura?

Common symptoms include incorrect outside temperature readings displayed on the dashboard, the air conditioning system may not function properly, and in some cases, the check engine light may illuminate.

3. What causes the OBDII code B1228 to appear on an Acura?

Possible causes of code B1228 include damaged or corroded wires, a faulty outside air temperature sensor, issues with the sensorâ€™s connector, or problems within the control module.

4. How can I diagnose the OBDII code B1228 on my Acura?

To diagnose this code, start by visually inspecting the sensor and its wiring for any obvious signs of damage or corrosion. Use a multimeter to check for shorts or discontinuity in the wiring. Additionally, scanning the vehicle with a diagnostic tool can help determine if the sensor itself is faulty.

5. What steps should I take to fix the OBDII code B1228 in my Acura?

Repairing code B1228 involves replacing the damaged outside air temperature sensor, repairing or replacing any damaged wiring and connectors, and ensuring that the sensor is properly integrated into the vehicleâ€™s network. After repairs, clear the code with an OBDII scanner and check if the issue reoccurs.

6. Is it safe to drive my Acura with the OBDII code B1228 showing?

While it may not be immediately hazardous to drive with this error, the inaccurate temperature readings can affect the performance of your HVAC system, leading to discomfort and potential issues with defrosting and other temperature-sensitive functions.

7. How urgent is it to address the OBDII code B1228 in an Acura?

It is moderately urgent to address this issue as it affects the functionality of your vehicleâ€™s climate control system, which can be particularly problematic in severe weather conditions. It is advisable to fix this issue promptly for optimal comfort and vehicle functionality.

8. Can I fix the OBDII code B1228 myself or should I take it to a mechanic?

If you have experience with automotive electrical systems, you may be able to fix code B1228 yourself by replacing the sensor and repairing any faulty wiring. However, if you are not confident in your ability to perform these repairs, it is advisable to take your vehicle to a professional mechanic.