B17F3 Chrysler Code - Auto High Beam System Aim
Quick Answer
The B17F3 diagnostic trouble code (DTC) is specific to Chrysler vehicles and indicates a malfunction within the Auto High Beam System's aiming mechanism. Common causes include Misalignment of the headlight assembly or incorrect installation, Faulty ambient light sensor that fails to detect light levels accurately, Issues with the body control module (BCM) or software glitches. 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
- B17F3 Chrysler indicates Auto High Beam System Aim.
- Common causes
- Common causes include Misalignment of the headlight assembly or incorrect installation, Faulty ambient light sensor that fails to detect light levels accurately, Issues with the body control module (BCM) or software glitches.
- 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 B17F3 Chrysler Description
The B17F3 diagnostic trouble code (DTC) is specific to Chrysler vehicles and indicates a malfunction within the Auto High Beam System's aiming mechanism. This system is designed to automatically switch between high and low beam headlights based on ambient light conditions and oncoming traffic, enhancing visibility while minimizing glare for other drivers. The code suggests that the system has detected an issue with the aiming of the high beams, which can lead to improper illumination of the road ahead.
Common Causes of B17F3 Chrysler
- Misalignment of the headlight assembly or incorrect installation.
- Faulty ambient light sensor that fails to detect light levels accurately.
- Issues with the body control module (BCM) or software glitches.
- Damaged wiring or connectors related to the headlight system.
- Failed or malfunctioning high beam relay.
Symptoms of B17F3 Chrysler
- High beams do not activate automatically in low-light conditions.
- High beams remain on when oncoming traffic is present, causing glare.
- Inconsistent switching between high and low beams.
- Warning light illuminated on the dashboard related to the headlight system.
- Reduced visibility at night due to improper headlight aim.
How to Fix B17F3 Chrysler
- Visual Inspection: Start with a thorough visual inspection of the headlight assemblies for any signs of misalignment or physical damage.
- Check Sensors: Test the ambient light sensor to ensure it is functioning correctly and accurately detecting light levels.
- Examine Wiring: Inspect all wiring and connectors associated with the headlight system for damage, corrosion, or loose connections.
- BCM Diagnostics: Use a diagnostic scanner to check for any software issues or faults within the body control module that may need reprogramming or replacement.
- Headlight Adjustment: If necessary, adjust the headlight aim according to manufacturer specifications to ensure proper illumination.
Cost to Fix B17F3 Chrysler
The cost to repair the B17F3 code can vary significantly based on the specific issue identified. On average, repairs may range from $100 to $600. This estimate includes parts such as sensors, wiring harnesses, or BCM reprogramming, along with labor costs. Labor rates typically range from $80 to $150 per hour, depending on the shop's location and the vehicle's make and model. In metropolitan areas or at dealerships, rates may be higher, while independent shops often offer more competitive pricing. It is advisable to consult local repair shops for a more precise estimate tailored to your specific situation.
Need more information about the B17F3 Chrysler code?
Need more information on how to fix the B17F3 Chrysler code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B17F3 Chrysler code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B17F3 Chrysler Code
1. What does the OBDII code B17F3 on a Chrysler mean?
The B17F3 code refers to an issue with the Auto High Beam System Aim, indicating that the system's calibration or alignment is out of specification.
2. What are the common symptoms of a B17F3 code?
Symptoms may include improper functioning of the auto high beam system, headlights not switching between high and low beams as expected, or warning lights related to the lighting system.
3. What causes the B17F3 code to appear on my Chrysler?
Common causes include misaligned headlights, a malfunctioning auto high beam camera, damage to the windshield obstructing the sensor, or software/calibration issues.
4. Can a dirty windshield cause the B17F3 code?
Yes, dirt, debris, or damage on the windshield in front of the auto high beam camera can obstruct its view and trigger the B17F3 code.
5. How can I fix the B17F3 code on my Chrysler?
Start by cleaning the windshield in front of the camera, ensuring the headlights are properly aligned, and checking for any damage to the auto high beam sensor. If the issue persists, recalibrate or update the system using a diagnostic tool.
6. Do I need to replace parts to fix the B17F3 code?
Not always. Many times, the issue can be resolved by cleaning, realigning the headlights, or recalibrating the system. However, if the sensor or camera is damaged, it may need replacement.
7. Can I still drive my Chrysler with the B17F3 code active?
Yes, you can still drive, but the auto high beam feature may not function properly, potentially reducing night-driving convenience and safety.
8. How much does it cost to fix the B17F3 code?
The cost can vary. Cleaning or alignment is inexpensive, while sensor replacement or recalibration may cost $50 to $300, depending on labor and parts.
9. What tools are needed to address the B17F3 code?
You may need a diagnostic scan tool to clear the code or recalibrate the system, as well as basic tools to adjust headlight alignment.
10. Can a software update resolve the B17F3 code?
Yes, if the issue is due to outdated or incorrect system software, a software update from a Chrysler dealership may resolve the problem.
Discuss the causes and fixes for B17F3 Chrysler OBDII Code
Code B17F3 Chrysler 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.