B1244 Toyota 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 Toyota 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 Toyota Description
What are the Possible Causes of the DTC B1244 Toyota?
- 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 Toyota?
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 Toyota 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 Toyota code?
Need more information on how to fix the B1244 Toyota code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1244 Toyota code diagnosed by a professional: Find a repair shop in your area
Information for Specific Toyota Models
- B1244 2013 Toyota RAV4 — Light Sensor Circuit Malfunction
- B1244 2014 Toyota RAV4 — Light Sensor Circuit Malfunction
- B1244 2015 Toyota RAV4 — Light Sensor Circuit Malfunction
- B1244 2016 Toyota RAV4 — Light Sensor Circuit Malfunction
- B1244 2017 Toyota RAV4 — Light Sensor Circuit Malfunction
- B1244 2018 Toyota RAV4 — Light Sensor Circuit Malfunction
Frequently Asked Questions about B1244 Toyota Code
1. What are the common symptoms of OBDII code B1244 Toyota (Light Sensor Circuit Malfunction)?
- Common symptoms include the automatic headlights not functioning properly, the interior lights not turning on or off as expected, and dashboard warning lights related to lighting systems.
2. What can cause the OBDII code B1244 Toyota to trigger?
- The code can be triggered by a faulty light sensor, a damaged wiring harness, a malfunctioning control module, or issues with the vehicle's electrical system.
3. How can I diagnose the Light Sensor Circuit Malfunction related to code B1244 in a Toyota?
- Diagnosis typically involves checking the condition of the light sensor, inspecting the wiring for any visible damage, and using a multimeter to test the sensor's resistance and voltage output.
4. Can I still drive my Toyota with the B1244 code active?
- It is generally safe to drive the vehicle with the B1244 code, but it's recommended to address the issue promptly to ensure proper functioning of the lighting system, especially in low-light conditions.
5. What are some DIY repair tips for fixing the Light Sensor Circuit Malfunction in a Toyota?
- DIY repair tips include checking and cleaning the light sensor, inspecting and repairing any damaged wiring, and resetting the fault code using an OBDII scanner after making repairs.
6. Is it necessary to visit a mechanic for OBDII code B1244 Toyota repair?
- While some DIY repairs are possible, diagnosing and repairing the Light Sensor Circuit Malfunction may require specialized tools and expertise, so consulting a mechanic is recommended for accurate diagnosis and repair.
7. How much does it typically cost to fix the Light Sensor Circuit Malfunction related to code B1244 in a Toyota?
- The cost of repairs can vary depending on the underlying issue, but it may range from $100 to $300, including parts and labor. Complex repairs involving control module replacement can cost more.
8. Will resetting the OBDII code B1244 Toyota make the issue go away permanently?
- Resetting the code may temporarily clear the warning light, but if the root cause of the Light Sensor Circuit Malfunction is not addressed, the code is likely to reappear. It's important to diagnose and fix the issue to prevent future problems.
9. Can extreme weather conditions affect the operation of the light sensor and trigger code B1244 in a Toyota?
- Yes, extreme weather conditions such as strong sunlight, heavy rain, or snow can impact the performance of the light sensor and contribute to the triggering of the B1244 code. Regular maintenance and inspection can help prevent issues.
10. Are there any recalls or technical service bulletins related to OBDII code B1244 Toyota for specific models?
- It's always advisable to check with Toyota dealerships or online resources for any recalls or technical service bulletins related to the B1244 code, as manufacturers may provide guidance or assistance for specific models experiencing this issue.
Discuss the causes and fixes for B1244 Toyota OBDII Code
Code B1244 Toyota comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
