B1799 Code - Lamp Turn Signal Front Output Circuit Open
Quick Answer
The B1799 diagnostic trouble code (DTC) indicates that there is an open circuit in the front turn signal lamp output circuit. Common causes include Faulty front turn signal bulb, Corroded or damaged wiring in the front turn signal circuit, Loose or disconnected connector in the front turn signal circuit. 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
- B1799 indicates Lamp Turn Signal Front Output Circuit Open.
- Common causes
- Common causes include Faulty front turn signal bulb, Corroded or damaged wiring in the front turn signal circuit, Loose or disconnected connector in the front turn signal circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1799 Description
The B1799 diagnostic trouble code (DTC) indicates that there is an open circuit in the front turn signal lamp output circuit. This means that there is a break or disconnection in the electrical wiring or components that connect the front turn signal lamp to the vehicle's electrical system. When this code is triggered, the front turn signal may not function properly, potentially leading to safety concerns and reduced visibility for other drivers on the road. If left unaddressed, this issue could result in a failed vehicle inspection, a ticket from law enforcement, or even an accident due to the lack of proper signaling.
Common Causes of B1799
- Faulty front turn signal bulb
- Corroded or damaged wiring in the front turn signal circuit
- Loose or disconnected connector in the front turn signal circuit
- Faulty turn signal switch or relay
- Issues with the vehicle's body control module (BCM)
Symptoms of B1799
- Front turn signal not illuminating
- Rapid flashing of the turn signal indicator on the dashboard
- Turn signal blinking at a different rate than usual
- Turn signal staying on without blinking
- Check engine light or turn signal indicator light on the dashboard
How to Fix B1799
- Start by visually inspecting the front turn signal bulb and wiring for any visible damage or corrosion.
- Test the front turn signal bulb with a multimeter to check for continuity and proper functionality.
- Check and repair any loose or disconnected connectors in the front turn signal circuit.
- Inspect and test the turn signal switch and relay for proper operation and replace if necessary.
- If the issue persists, further diagnostic testing may be needed to identify any underlying problems with the vehicle's BCM or other components.
Cost to Fix B1799
The cost of repairing the B1799 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the repair cost for this type of issue can range from $50 to $200 for parts and labor. However, it's important to note that prices can fluctuate based on factors such as the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It's recommended to obtain quotes from multiple repair shops to get a more accurate estimate for your particular situation.
Need more information about the B1799 code?
Need more information on how to fix the B1799 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1799 code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1799 Code
1. What are the common symptoms of OBDII code B1799 (Lamp Turn Signal Front Output Circuit Open)?
- The common symptoms include the front turn signal light not functioning properly or not illuminating at all.
2. What are the possible causes of OBDII code B1799?
- The code B1799 is typically caused by a broken or damaged wire in the front turn signal circuit, a faulty turn signal bulb, or a malfunctioning turn signal switch.
3. How can I diagnose the issue related to OBDII code B1799?
- You can start by visually inspecting the front turn signal bulb, checking the wiring harness for any visible damage, and testing the turn signal switch for proper functionality.
4. Can a DIY enthusiast repair OBDII code B1799 at home?
- Yes, depending on the cause of the issue, DIY enthusiasts can repair this code by replacing a faulty turn signal bulb, repairing damaged wiring, or replacing a defective turn signal switch.
5. Is it safe to drive with OBDII code B1799 present?
- It is not recommended to drive with OBDII code B1799 present as it affects the visibility of your vehicle to other drivers, potentially causing safety hazards on the road.
6. Will resetting the OBDII code B1799 turn off the dashboard warning light?
- Resetting the code may temporarily turn off the dashboard warning light, but if the underlying issue is not fixed, the code is likely to reappear, and the warning light will illuminate again.
7. Can extreme weather conditions cause OBDII code B1799 to trigger?
- Yes, extreme weather conditions like heavy rain or snow can sometimes lead to water damage in the turn signal circuit, resulting in the OBDII code B1799 being triggered.
8. What is the typical cost to repair OBDII code B1799 at a professional auto repair shop?
- The cost of repairing OBDII code B1799 can vary depending on the cause of the issue and the labor rates of the repair shop, but it can range from $100 to $300 on average.
9. Are there any preventive maintenance tips to avoid OBDII code B1799 in the future?
- Regularly inspecting your vehicle's exterior lights, promptly replacing any burnt-out bulbs, and addressing any wiring issues can help prevent OBDII code B1799 from occurring.
10. Can OBDII code B1799 affect other electrical systems in the vehicle?
- While OBDII code B1799 specifically relates to the front turn signal circuit, electrical issues in one part of the vehicle can sometimes impact other systems, so it's essential to address the problem promptly.
Discuss the causes and fixes for B1799 OBDII Code
Code B1799 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.