AutoCodes – Toyota – B1244 2016 Toyota RAV4

B1244 2016 Toyota RAV4 Code - Light Sensor Circuit Malfunction

Quick Answer

The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (Multiplex Network Body ECU). Common causes include Faulty Automatic Light Control Sensor, Automatic Light Control Sensor harness is open or shorted, Automatic Light Control 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: B1244 2016 Toyota RAV4 indicates Light Sensor Circuit Malfunction.
Common causes: Common causes include Faulty Automatic Light Control Sensor, Automatic Light Control Sensor harness is open or shorted, Automatic Light Control 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 501

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 B1244 2016 Toyota RAV4 Description

The automatic light control sensor detects ambient light, converts it into an electrical signal, and outputs it to the main body ECU (Multiplex Network Body ECU). The main body ECU (Multiplex Network Body ECU) turns the headlights and taillights on or off according to the signal.

OBDII Code B1244 2016 Toyota RAV4 - Light Sensor Circuit Malfunction - AutoCodes.com — B1244 2016 Toyota RAV4 Code - Light Sensor Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B1244 2016 Toyota RAV4?

Faulty Automatic Light Control Sensor
Automatic Light Control Sensor harness is open or shorted
Automatic Light Control Sensor circuit poor electrical connection
Faulty Main Body ECU (Multiplex Network Body ECU)

How to Fix the DTC B1244 2016 Toyota RAV4?

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 B1244 2016 Toyota RAV4 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 B1244 2016 Toyota RAV4 code?

Need more information on how to fix the B1244 2016 Toyota RAV4 code? Get Access to Factory Service Manuals

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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 B1244 2016 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1244 on a 2016 Toyota RAV4?

The common symptoms of OBDII code B1244, which indicates a Light Sensor Circuit Malfunction, on a 2016 Toyota RAV4 may include issues with the automatic headlights, erratic behavior of the interior lights, or the vehicle's daytime running lights not functioning properly.

2. What are the possible causes of the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4?

Some potential causes of the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4 include a faulty light sensor, damaged wiring or connectors related to the light sensor, or issues with the control module responsible for managing the light sensor data.

3. How can I diagnose the Light Sensor Circuit Malfunction (B1244) in my 2016 Toyota RAV4?

Diagnosing the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4 typically involves using an OBDII scanner to read the specific trouble code, visually inspecting the light sensor and its connections for any visible damage, and testing the sensor's functionality using a multimeter.

4. Can I still drive my 2016 Toyota RAV4 with the OBDII code B1244 present?

While it may be possible to drive your 2016 Toyota RAV4 with the OBDII code B1244 (Light Sensor Circuit Malfunction), it is recommended to address the issue promptly to prevent potential safety hazards and ensure proper functioning of your vehicle's lighting system.

5. How do I repair the Light Sensor Circuit Malfunction (B1244) in my 2016 Toyota RAV4?

Repairing the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4 often involves replacing the faulty light sensor, repairing any damaged wiring or connectors, or reprogramming the control module if necessary. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

6. Are there any DIY tips for troubleshooting OBDII code B1244 in a 2016 Toyota RAV4?

As a DIY tip, you can start by checking the fuse related to the light sensor circuit, inspecting the sensor and its connections for any visible damage, and ensuring the sensor is clean and unobstructed. However, for a thorough diagnosis and repair, it's best to seek assistance from a qualified technician.

7. Will resetting the OBDII system clear the B1244 code in my 2016 Toyota RAV4?

Resetting the OBDII system may temporarily clear the B1244 code in your 2016 Toyota RAV4, but if the underlying issue causing the Light Sensor Circuit Malfunction is not addressed, the code is likely to reappear. It's important to diagnose and fix the root cause of the problem.

8. How much does it typically cost to repair the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4?

The cost of repairing the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4 can vary depending on the specific cause of the issue, parts needed for replacement, labor costs, and your location. It's advisable to obtain quotes from different repair shops for an accurate estimate.

9. Can extreme weather conditions affect the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4?

Yes, extreme weather conditions such as intense sunlight, heavy rain, or snowfall can potentially impact the performance of the light sensor and contribute to the occurrence of the Light Sensor Circuit Malfunction (B1244) in a 2016 Toyota RAV4.

10. Is the Light Sensor Circuit Malfunction (B1244) a serious issue that requires immediate attention in a 2016 Toyota RAV4?

While the Light Sensor Circuit Malfunction (B1244) may not directly affect the drivability of your 2016 Toyota RAV4, it is still important to address the issue promptly to ensure proper functioning of the vehicle's lighting system, especially for safety reasons and to comply with local regulations.