AutoCodes – Generic – B2817

B2817 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 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 1,128

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 Description

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

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

What does this mean?

What are the Possible Causes of the DTC B2817?

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?

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 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.

Need more information about the B2817 code?

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

Need Help with the Code?

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

Information for Specific Makes

B2817 Chrysler — Headlamp Leveling Sensor Supply Circuit Low
B2817 Dodge — Headlamp Leveling Sensor Supply Circuit Low
B2817 Jeep — Headlamp Leveling Sensor Supply Circuit Low
B2817 RAM — Headlamp Leveling Sensor Supply Circuit Low
B2817 Subaru — Brake Lamp

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 Code

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

- Dim or flickering headlights, headlight leveling system malfunction, dashboard warning light for headlight leveling system.

2. What can cause the OBDII code B2817 to trigger?

- Faulty headlamp leveling sensor, damaged wiring or connectors in the headlamp leveling sensor circuit, low voltage supply to the headlamp leveling sensor.

3. How can I diagnose the OBDII code B2817 issue?

- Use a diagnostic scanner to retrieve the trouble codes, inspect the headlamp leveling sensor and its wiring for any visible damage, test the voltage supply to the sensor.

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

- Depending on the cause, a DIY enthusiast may be able to repair the issue by replacing the headlamp leveling sensor, repairing damaged wiring, or fixing the voltage supply problem.

5. Is it safe to continue driving with the OBDII code B2817 illuminated?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure proper functioning of the headlamp leveling system.

6. How much does it typically cost to repair the OBDII code B2817 issue?

- The cost of repair can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Can the OBDII code B2817 be reset without fixing the underlying issue?

- It is possible to clear the code temporarily, but it will likely reappear until the root cause of the problem is addressed.

8. Will the OBDII code B2817 affect the vehicle's overall performance?

- This code typically does not affect the vehicle's overall performance, but it may impact the proper leveling of the headlights.

9. How long does it take to repair the OBDII code B2817 issue?

- The repair time can vary depending on the complexity of the problem, but it may take anywhere from 1 to 3 hours to diagnose and fix the issue.

10. Is it necessary to visit a dealership for the repair of the OBDII code B2817?

- Visiting a dealership is not always necessary; a qualified mechanic or auto repair shop with experience in electrical systems can diagnose and repair the issue effectively.