B1390 Lincoln Code - Ambient Light Control Module
Quick Answer
The Body Control Module (BCM) monitors the Ambient Light Control Module. Common causes include Faulty Ambient Light Control Module, Ambient Light Control Module harness is open or shorted, Ambient Light Control Module circuit poor electrical connection. 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, Ambient Light Control Module harness is open or shorted, Ambient Light Control Module circuit poor electrical connection.
- 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.
Code B1390 Lincoln Description
What are the Possible Causes of the DTC B1390 Lincoln?
- Faulty Ambient Light Control Module
- Ambient Light Control Module harness is open or shorted
- Ambient Light Control Module circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1390 Lincoln?
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.
Code Tech Notes
B1390:87 Ambient Light Control Module: Missing Message
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1390 Lincoln 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.
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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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