AutoCodes – RAM – B2817 RAM

B2817 RAM Code - Headlamp Leveling Sensor Supply Circuit Low

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Headlamp Leveling Module (HIDT) detects a low condition on the output circuit. Common causes include Faulty Headlamp Leveling Switch, Headlamp Leveling Switch harness is open or shorted, Headlamp Leveling Switch 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: B2817 RAM indicates Headlamp Leveling Sensor Supply Circuit Low.
Common causes: Common causes include Faulty Headlamp Leveling Switch, Headlamp Leveling Switch harness is open or shorted, Headlamp Leveling Switch 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.

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Code Popularity 388

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2817 RAM Description

The Diagnostic Trouble Code (DTC) sets when the Headlamp Leveling Module (HIDT) detects a low condition on the output circuit.

OBDII Code B2817 RAM - Headlamp Leveling Sensor Supply Circuit Low - AutoCodes.com — B2817 RAM Code - Headlamp Leveling Sensor Supply Circuit Low

What does this mean?

What are the Possible Causes of the DTC B2817 RAM?

Faulty Headlamp Leveling Switch
Headlamp Leveling Switch harness is open or shorted
Headlamp Leveling Switch circuit poor electrical connection
Faulty Headlamp Leveling Module (HIDT)

How to Fix the DTC B2817 RAM?

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 B2817 RAM 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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Need more information on how to fix the B2817 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2817 RAM code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2817 RAM Code

1. What are common symptoms of OBDII code B2817 RAM (Headlamp Leveling Sensor Supply Circuit Low)?

The common symptoms include malfunctioning headlamp leveling system, uneven headlight alignment, and dashboard warning light illumination.

2. What causes the OBDII code B2817 RAM to trigger?

This code is typically triggered by a low voltage supply to the headlamp leveling sensor circuit, which can be caused by wiring issues, sensor malfunction, or a faulty control module.

3. How can I diagnose the cause of the B2817 RAM code?

Diagnosing the issue involves checking the wiring harness for damage, testing the headlamp leveling sensor for proper operation, and using a diagnostic scanner to analyze the control module's input and output signals.

4. Can a DIY enthusiast repair the B2817 RAM code issue?

While some basic troubleshooting steps can be performed by DIY enthusiasts, resolving the B2817 RAM code may require advanced diagnostic equipment and expertise, making it advisable to seek professional help.

5. Are there any quick fixes for the B2817 RAM code?

Quick fixes such as checking and tightening loose connections, resetting the system by disconnecting the battery, or replacing a blown fuse may temporarily resolve the issue, but a permanent fix will require thorough diagnosis and proper repair.

6. Is it safe to drive with the B2817 RAM code illuminated?

Driving with the B2817 RAM code illuminated is generally safe, but it is important to address the underlying issue promptly to ensure proper headlamp leveling functionality and avoid potential safety hazards.

7. How much does it cost to repair the B2817 RAM code issue?

The cost of repairing the B2817 RAM code can vary depending on the root cause of the problem, the extent of the repair needed, and the labor rates of the service provider. It is advisable to obtain multiple quotes for an accurate estimate.

8. Can the B2817 RAM code be prevented?

While some instances of this code may be unavoidable due to wear and tear, regular maintenance checks, timely repairs of any related issues, and proper handling of the vehicle can help prevent the recurrence of the B2817 RAM code.

9. Will resetting the OBDII system clear the B2817 RAM code?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B2817 RAM code is not addressed, the code is likely to reappear after driving cycles as the system rechecks for faults.

10. How long does it take to repair the B2817 RAM code issue?

The repair time for the B2817 RAM code can vary depending on the complexity of the problem, availability of parts, and the expertise of the technician. In some cases, it may be resolved quickly, while in others, it may take longer for a comprehensive fix.