B1244 2018 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 2018 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.
Code B1244 2018 Toyota RAV4 Description
What are the Possible Causes of the DTC B1244 2018 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 2018 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 2018 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 2018 Toyota RAV4 code?
Need more information on how to fix the B1244 2018 Toyota RAV4 code? Get Access to Factory Service Manuals
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Frequently Asked Questions about B1244 2018 Toyota RAV4 Code
1. What are the common symptoms of OBDII code B1244 in a 2018 Toyota RAV4?
- The common symptoms of B1244 include the automatic headlights not working properly, or the dashboard light sensor warning light illuminating.
2. What can cause the Light Sensor Circuit Malfunction in a 2018 Toyota RAV4?
- The malfunction can be caused by a faulty light sensor, damaged wiring or connectors, or issues with the headlight control module.
3. How can I diagnose the Light Sensor Circuit Malfunction in my 2018 Toyota RAV4?
- To diagnose B1244, start by checking the light sensor and its connections. Ensure there are no visible damages or loose connections. You may also use an OBDII scanner to read the fault code.
4. Can I repair the Light Sensor Circuit Malfunction in my 2018 Toyota RAV4 myself?
- Depending on your skills and experience, you may be able to repair the issue yourself by replacing the faulty light sensor or repairing any damaged wiring. However, it's recommended to seek professional help if you're unsure.
5. Is it safe to continue driving my 2018 Toyota RAV4 with OBDII code B1244?
- It is generally safe to drive your RAV4 with this code, but it's essential to address the issue promptly to ensure proper functioning of the automatic headlights and other related systems.
6. How much does it typically cost to repair the Light Sensor Circuit Malfunction in a 2018 Toyota RAV4?
- The cost of repairing B1244 can vary depending on the root cause of the issue, labor costs, and whether you choose to fix it yourself or seek help from a mechanic. It's advisable to get a few quotes from different repair shops.
7. Can extreme weather conditions affect the Light Sensor Circuit Malfunction in a 2018 Toyota RAV4?
- Yes, extreme weather conditions such as heavy rain, snow, or direct sunlight can potentially impact the performance of the light sensor and contribute to the malfunction.
8. Will disconnecting the battery reset the OBDII code B1244 in a 2018 Toyota RAV4?
- Disconnecting the battery may reset the code temporarily, but if the underlying issue causing B1244 is not fixed, the code is likely to reappear after some time.
9. Are there any preventive measures to avoid the Light Sensor Circuit Malfunction in a 2018 Toyota RAV4?
- Regularly inspecting the light sensor, keeping it clean, and ensuring all connections are secure can help prevent issues leading to B1244 in your RAV4.
10. Can a software update fix the Light Sensor Circuit Malfunction in a 2018 Toyota RAV4?
- In some cases, a software update provided by the manufacturer may resolve the issue causing B1244. It's worth checking with a Toyota dealership for any available updates related to the light sensor system.
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