AutoCodes – Dodge – B1607 Dodge

B1607 Dodge Code - Headlamp Switch Input Circuit Low

Quick Answer

The Instrument Cluster monitors the Headlamp Switch. Common causes include Faulty Headlamp Switch, Headlamp Switch harness is open or shorted, Headlamp 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
B1607 Dodge indicates Headlamp Switch Input Circuit Low.
Common causes
Common causes include Faulty Headlamp Switch, Headlamp Switch harness is open or shorted, Headlamp 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 1,245
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 22, 2019
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Code B1607 Dodge Description

The Instrument Cluster monitors the Headlamp Switch. The Instrument Cluster sets the OBDII code when the Headlamp Switch is not to factory specifications.
OBDII Code B1607 Dodge - Headlamp Switch Input Circuit Low - AutoCodes.com
B1607 Dodge Code - Headlamp Switch Input Circuit Low

What are the Possible Causes of the DTC B1607 Dodge?

  • Faulty Headlamp Switch
  • Headlamp Switch harness is open or shorted
  • Headlamp Switch circuit poor electrical connection
  • Faulty Instrument Cluster

How to Fix the DTC B1607 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 B1607 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 B1607 Dodge Code

1. What are common symptoms of OBDII code B1607 in a Dodge related to the headlamp switch input circuit low?

The common symptoms include dim or flickering headlights, difficulty in switching between headlight modes, or complete failure of the headlight system.

2. What are the possible causes of OBDII code B1607 in a Dodge indicating a headlamp switch input circuit low?

Potential causes include a faulty headlamp switch, damaged wiring or connectors in the headlamp circuit, a malfunctioning headlamp control module, or a problem with the vehicle's body control module.

3. How can I diagnose the OBDII code B1607 in a Dodge related to the headlamp switch input circuit low?

Diagnosis involves checking the headlamp switch for proper functionality, inspecting the wiring and connectors for any damage, testing the headlamp control module, and scanning the vehicle's system for any related trouble codes.

4. What are some repair tips for fixing OBDII code B1607 in a Dodge associated with a headlamp switch input circuit low?

Repair tips include replacing the faulty headlamp switch, repairing or replacing damaged wiring or connectors, recalibrating or replacing the headlamp control module, and ensuring proper connections with the body control module.

5. Can a DIY enthusiast fix OBDII code B1607 in a Dodge related to the headlamp switch input circuit low?

While some simple checks like inspecting connections and fuses can be done by a DIY enthusiast, diagnosing and repairing complex electrical issues like this code may require professional expertise due to the involvement of intricate wiring and control modules.

6. How urgent is it to address OBDII code B1607 in a Dodge indicating a headlamp switch input circuit low?

It is important to address this code promptly as it can affect the proper functioning of the vehicle's headlight system, compromising visibility and safety, especially during nighttime driving or inclement weather conditions.

7. Is it safe to continue driving with OBDII code B1607 in a Dodge related to a headlamp switch input circuit low?

It is not recommended to drive extensively with this code unresolved, as it can lead to unpredictable headlight behavior and potentially compromise road safety. It's best to address the issue as soon as possible.

8. Can weather conditions or environmental factors trigger OBDII code B1607 in a Dodge indicating a headlamp switch input circuit low?

While extreme weather conditions or water exposure can potentially cause electrical issues leading to this code, the primary culprits are usually internal component failures or wiring problems within the headlamp system.

9. How much does it typically cost to repair OBDII code B1607 in a Dodge associated with a headlamp switch input circuit low?

The cost of repair can vary depending on the specific cause of the issue, the need for replacement parts, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate based on a thorough diagnosis.

10. Can resetting the OBDII system clear the B1607 code in a Dodge related to a headlamp switch input circuit low?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the headlamp switch input circuit low problem is not fixed, the code is likely to reappear. It is essential to diagnose and address the root cause for a permanent solution.

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