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

Quick Answer

The B1228 code for Acura vehicles indicates a short in the outside air temperature sensor circuit. Common causes include Faulty outside air temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or water damage to the sensor. 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
B1228 Acura indicates Short In The Outside Air Temperature Sensor Circuit.
Common causes
Common causes include Faulty outside air temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or water damage to the sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
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Code B1228 Acura Description

The B1228 code for Acura vehicles indicates a short in the outside air temperature sensor circuit. The outside air temperature sensor is responsible for measuring the ambient temperature outside the vehicle. This information is used by the vehicle's climate control system to adjust the interior temperature and by the engine management system to optimize fuel delivery and performance. A short in the sensor circuit can disrupt these functions and lead to issues with the vehicle's overall performance.

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

Common Causes of B1228 Acura

  1. Faulty outside air temperature sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or water damage to the sensor
  4. Electrical issues in the sensor circuit
  5. Poor connections or loose wires

Symptoms of B1228 Acura

  1. Inaccurate temperature readings on the climate control system
  2. Incorrect fuel delivery leading to poor fuel efficiency
  3. Climate control system not responding to temperature changes
  4. Check engine light may be illuminated
  5. Erratic behavior of the HVAC system

How to Fix B1228 Acura

  1. Begin by diagnosing the issue using a scan tool to confirm the B1228 code.
  2. Inspect the outside air temperature sensor and its wiring for any visible damage or corrosion.
  3. Test the sensor using a multimeter to check for proper resistance readings.
  4. Replace the sensor if it is found to be faulty.
  5. Repair any damaged wiring or connectors in the sensor circuit.

Cost to Fix B1228 Acura

The cost of repairing a short in the outside air temperature sensor circuit can vary depending on the specific cause of the issue and the labor rates in your area. Generally, the replacement of the sensor itself can range from $50 to $100, while labor costs can add another $50 to $100. Overall, the total repair cost could be around $100 to $200. However, it's recommended to obtain quotes from local auto repair shops for a more accurate estimate.

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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 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 sensor’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 vehicle’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 vehicle’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.

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