B1390 Lincoln Code - Ambient Light Control Module
Quick Answer
The B1390 diagnostic trouble code for Lincoln vehicles refers to an issue with the Ambient Light Control Module. Common causes include Faulty Ambient Light Control Module, Wiring issues or shorts in the lighting system, Blown fuse related to the lighting system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1390 Lincoln indicates Ambient Light Control Module.
- Common causes
- Common causes include Faulty Ambient Light Control Module, Wiring issues or shorts in the lighting system, Blown fuse related to the lighting system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code B1390 Lincoln Description
The B1390 diagnostic trouble code for Lincoln vehicles refers to an issue with the Ambient Light Control Module. This module is responsible for adjusting the interior and exterior lighting of the vehicle based on the surrounding ambient light conditions. When this code is triggered, it indicates that there is a malfunction or communication error within the module, which can lead to various lighting issues in the vehicle.
Common Causes of B1390 Lincoln
- Faulty Ambient Light Control Module.
- Wiring issues or shorts in the lighting system.
- Blown fuse related to the lighting system.
- Communication error between the module and other vehicle systems.
Symptoms of B1390 Lincoln
- Inconsistent brightness levels of interior and exterior lights.
- Lights not turning on or off at the appropriate times.
- Complete failure of certain lighting functions.
- Dashboard warning light related to lighting system.
How to Fix B1390 Lincoln
- Begin by conducting a thorough diagnostic scan to confirm the B1390 code and pinpoint the exact issue.
- Inspect the Ambient Light Control Module for any visible signs of damage or corrosion.
- Check the wiring and connections related to the lighting system for any faults or shorts.
- Test the fuses associated with the lighting system to identify any blown fuses that may need replacement.
- If necessary, replace the Ambient Light Control Module or repair any wiring issues to resolve the problem.
Cost to Fix B1390 Lincoln
The typical repair costs for addressing the B1390 code related to the Ambient Light Control Module can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.
Tech Notes for B1390 Lincoln
B1390:87 Ambient Light Control Module: Missing Message
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Frequently Asked Questions about B1390 Lincoln Code
1. What are the common symptoms of OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
The common symptoms include malfunctioning ambient lighting, erratic behavior of interior lights, or complete failure of the ambient light control system.
2. What are the possible causes of OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
The code B1390 can be triggered by a faulty ambient light control module, damaged wiring or connectors, or a software issue within the control module.
3. How can I diagnose the OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific fault code, checking the wiring and connectors for any visible damage, and testing the ambient light control module for proper operation.
4. What is the recommended repair for OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
The recommended repair usually involves replacing the faulty ambient light control module, repairing any damaged wiring or connectors, and reprogramming or updating the control module software if necessary.
5. Can I reset OBDII code B1390 in a Lincoln related to the Ambient Light Control Module without fixing the underlying issue?
Resetting the code without addressing the underlying issue will only temporarily clear the fault code, and the problem is likely to reoccur. It is recommended to diagnose and repair the root cause of the code.
6. Are there any DIY tips for troubleshooting OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
While basic troubleshooting like checking for loose connections or blown fuses can be done by DIY enthusiasts, diagnosing and repairing the ambient light control module issue may require specialized tools and expertise.
7. Can a malfunctioning Ambient Light Control Module cause other electrical issues in a Lincoln?
Yes, a malfunctioning ambient light control module can potentially cause other electrical issues in the vehicle, such as issues with interior lighting, ambient temperature sensors, or other related systems.
8. How long does it typically take to repair OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
The repair time can vary depending on the exact cause of the issue and the complexity of accessing and replacing the ambient light control module. It is best to consult a professional technician for an accurate estimate.
9. Is it safe to continue driving a Lincoln with OBDII code B1390 related to the Ambient Light Control Module?
While the vehicle may still be operable with this code present, it is recommended to address the issue promptly to prevent potential electrical malfunctions or safety hazards associated with the ambient light control system.
10. How much does it cost to repair OBDII code B1390 in a Lincoln related to the Ambient Light Control Module?
The cost of repairing this code can vary based on the extent of the issue, the cost of replacement parts, and labor charges. It is advisable to obtain quotes from different repair shops to compare prices.
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