AutoCodes – Generic – B1228

B1228 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 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 9,738

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

What does this mean?

What are the Possible Causes of the DTC B1228?

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?

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 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 code?

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

Need Help with the Code?

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

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.