AutoCodesDodge – B2818 Dodge

B2818 Dodge Code - Headlamp Leveling Sensor Supply Circuit High

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Headlamp Leveling Module (HIDT) detects a high 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
B2818 Dodge indicates Headlamp Leveling Sensor Supply Circuit High.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 610
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 13, 2020
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Code B2818 Dodge Description

The Diagnostic Trouble Code (DTC) sets when the Headlamp Leveling Module (HIDT) detects a high condition on the output circuit.
OBDII Code B2818 Dodge - Headlamp Leveling Sensor Supply Circuit High - AutoCodes.com
B2818 Dodge Code - Headlamp Leveling Sensor Supply Circuit High

What are the Possible Causes of the DTC B2818 Dodge?

  • 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 B2818 Dodge?

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 B2818 Dodge 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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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 B2818 Dodge Code

1. What does the OBDII code B2818 mean for a Dodge vehicle?

The B2818 code indicates a problem in the headlamp leveling sensor supply circuit, specifically that the voltage is higher than expected.

2. What are the common symptoms of the B2818 code in a Dodge?

Symptoms may include malfunctioning or unresponsive headlamp leveling, a warning light on the dashboard, and uneven headlamp alignment.

3. What causes the B2818 code to appear in a Dodge?

Common causes include a faulty headlamp leveling sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning control module.

4. Can I drive my Dodge with the B2818 code active?

While the vehicle is typically drivable, poor headlamp leveling could reduce visibility at night or cause glare for other drivers, so it’s best to address the issue promptly.

5. How do I diagnose the B2818 code in a Dodge?

Diagnosis involves inspecting the headlamp leveling sensor, checking the wiring and connectors for damage, and testing the circuit’s voltage with a multimeter.

6. How can I fix the B2818 code on my Dodge vehicle?

Repairs may include replacing the headlamp leveling sensor, repairing damaged wiring or connectors, or reprogramming the control module if required.

7. How much does it cost to fix the B2818 code on a Dodge?

Repair costs vary but typically range from $100 to $300, depending on whether the issue involves sensor replacement, wiring repair, or module reprogramming.

8. Can a weak battery cause the B2818 code in a Dodge?

A weak or failing battery is unlikely to cause this specific code, as it typically relates to a high voltage issue in the sensor circuit.

9. Does the B2818 code require recalibration of the headlamp leveling system?

If the sensor or control module is replaced, recalibration of the headlamp leveling system may be necessary to ensure proper operation.

10. Can I reset the B2818 code without fixing the issue?

You can clear the code with an OBDII scanner, but it will likely return if the underlying problem isn’t resolved.

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