AutoCodes – Toyota – B1244 2017 Toyota RAV4

B1244 2017 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 2017 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 686
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B1244 2017 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 2017 Toyota RAV4 - Light Sensor Circuit Malfunction - AutoCodes.com
B1244 2017 Toyota RAV4 Code - Light Sensor Circuit Malfunction

What are the Possible Causes of the DTC B1244 2017 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 2017 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 2017 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 2017 Toyota RAV4 code?

Need more information on how to fix the B1244 2017 Toyota RAV4 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1244 2017 Toyota RAV4 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 B1244 2017 Toyota RAV4 Code

1. What are the common symptoms of OBDII code B1244 in a 2017 Toyota RAV4?

The common symptoms of OBDII code B1244 "Light Sensor Circuit Malfunction" in a 2017 Toyota RAV4 may include issues with automatic headlights and ambient light detection.

2. What are the possible causes of the B1244 code in a 2017 Toyota RAV4?

Possible causes of the B1244 code in a 2017 Toyota RAV4 include a faulty light sensor, damaged wiring or connectors in the light sensor circuit, or a problem with the sensor's calibration.

3. How can I diagnose the B1244 code in my 2017 Toyota RAV4?

Diagnosing the B1244 code in a 2017 Toyota RAV4 involves using a diagnostic scanner to retrieve the trouble codes, inspecting the light sensor and its connections, and testing the sensor's functionality.

4. Can I still drive my 2017 Toyota RAV4 with the B1244 code?

While it may be possible to drive your 2017 Toyota RAV4 with the B1244 code, it is recommended to address the issue promptly to ensure proper functionality of the light sensor system.

5. How can I repair the Light Sensor Circuit Malfunction in my 2017 Toyota RAV4?

Repairing the Light Sensor Circuit Malfunction in a 2017 Toyota RAV4 may involve replacing the faulty light sensor, repairing damaged wiring or connectors, or recalibrating the sensor as per manufacturer's recommendations.

6. Is the B1244 code in a 2017 Toyota RAV4 a serious issue?

The B1244 code indicating a Light Sensor Circuit Malfunction in a 2017 Toyota RAV4 is not typically considered a serious issue but should be addressed to maintain the proper functioning of the light sensor system.

7. Can resetting the OBDII system clear the B1244 code in a 2017 Toyota RAV4?

Resetting the OBDII system may temporarily clear the B1244 code in a 2017 Toyota RAV4, but if the underlying issue causing the code is not addressed, it is likely to reappear.

8. How much does it cost to repair the B1244 code in a 2017 Toyota RAV4?

The cost of repairing the B1244 code in a 2017 Toyota RAV4 can vary depending on the exact cause of the issue, the required parts, and labor rates at the repair shop.

9. Can a DIY enthusiast fix the B1244 code in a 2017 Toyota RAV4?

A DIY enthusiast with proper tools and knowledge about automotive electrical systems may be able to diagnose and repair the B1244 code in a 2017 Toyota RAV4, especially if the issue is related to wiring or connectors.

10. How often does the B1244 code occur in a 2017 Toyota RAV4?

The occurrence of the B1244 code "Light Sensor Circuit Malfunction" in a 2017 Toyota RAV4 can vary and may be influenced by factors such as environmental conditions, wear and tear on the sensor, and electrical system integrity.

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