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Engine-Codes – Generic – B1228

B1228 Code - Short In The Outside Air Temperature Sensor Circuit

Quick Answer

The B1228 code indicates a short in the outside air temperature sensor circuit. Common causes include Damaged wiring or connectors in the outside air temperature sensor circuit, Corrosion or debris affecting the sensor, Faulty outside air temperature 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 indicates Short In The Outside Air Temperature Sensor Circuit.
Common causes
Common causes include Damaged wiring or connectors in the outside air temperature sensor circuit, Corrosion or debris affecting the sensor, Faulty outside air temperature 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 Description

The B1228 code indicates a short in the outside air temperature sensor circuit. The outside air temperature sensor is responsible for providing the vehicle's computer with information about the ambient temperature. This information is used by various systems in the vehicle, such as the climate control system, to adjust settings accordingly. A short in the sensor circuit can disrupt this communication and lead to inaccurate temperature readings, affecting the performance of these systems.

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

Common Causes of B1228

  1. Damaged wiring or connectors in the outside air temperature sensor circuit
  2. Corrosion or debris affecting the sensor
  3. Faulty outside air temperature sensor
  4. Electrical issues in the vehicle's wiring system

Symptoms of B1228

  1. Inaccurate temperature readings on the vehicle's display
  2. Incorrect climate control system operation
  3. Air conditioning or heating system not working properly
  4. Check engine light illuminated on the dashboard

How to Fix B1228

  1. Diagnose the issue by checking the wiring, connectors, and sensor for any visible damage or corrosion.
  2. Test the outside air temperature sensor using a multimeter to determine if it is functioning correctly.
  3. Replace any damaged wiring or connectors in the sensor circuit.
  4. Replace the outside air temperature sensor if it is found to be faulty.
  5. Clear the diagnostic trouble codes and test the system to ensure the issue has been resolved.

Cost to Fix B1228

The cost to repair a short in the outside air temperature sensor circuit can vary depending on the specific cause of the issue and the labor rates of the auto repair shop. In general, the cost of parts for this repair can range from $50 to $150, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue may be around $150 to $350. It is recommended to get a detailed estimate from a trusted auto repair shop to get a more accurate cost assessment.

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Code B1228 Information for Specific Makes

  • B1228 Acura — Short In The Outside Air Temperature Sensor Circuit
  • B1228 Honda — Short In The Outside Air Temperature Sensor Circuit
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 Code

1. What are common symptoms of OBDII code B1228?

The common symptoms of OBDII code B1228, Short In The Outside Air Temperature Sensor Circuit, include erratic readings on the outside temperature display or a malfunctioning climate control system.

2. What could cause OBDII code B1228 to trigger?

The code B1228 can be triggered by a short circuit in the wiring of the outside air temperature sensor, a faulty temperature sensor, or a problem with the vehicle's electrical system.

3. How can I diagnose the cause of OBDII code B1228?

Diagnosing OBDII code B1228 may involve visually inspecting the wiring and sensor for damage, testing the sensor's resistance, and using a scan tool to check for any related trouble codes or sensor readings.

4. Can I still drive my vehicle with OBDII code B1228?

While it may be possible to drive your vehicle with OBDII code B1228, it is recommended to address the issue promptly to prevent further electrical problems and ensure accurate temperature readings.

5. What are some repair tips for fixing OBDII code B1228?

Repair tips for OBDII code B1228 may include repairing or replacing damaged wiring, replacing the outside air temperature sensor, and resetting the fault code with a scan tool after the repair is completed.

6. Is OBDII code B1228 a serious issue?

OBDII code B1228 is not a critical issue that affects the drivability or safety of the vehicle, but it can impact the accuracy of temperature readings and the functionality of the climate control system.

7. Can a DIY enthusiast fix OBDII code B1228 at home?

Depending on their skill level and access to tools, a DIY enthusiast may be able to fix OBDII code B1228 at home by following repair guides, using a multimeter to test components, and making necessary repairs.

8. How much does it cost to repair OBDII code B1228 at a mechanic?

The cost of repairing OBDII code B1228 at a mechanic can vary depending on the labor rates, the extent of the wiring or sensor damage, and whether any additional components need to be replaced.

9. Will resetting the fault code make OBDII code B1228 go away permanently?

Resetting the fault code associated with OBDII code B1228 may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to return when the problem is detected again.

10. How can I prevent OBDII code B1228 from occurring in the future?

To prevent OBDII code B1228 from occurring in the future, it is essential to perform regular vehicle maintenance, inspect the wiring and sensors periodically, and address any electrical issues promptly.

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