AutoCodes – Dodge – B1608 Dodge

B1608 Dodge Code - Headlamp Switch Input Circuit High

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: B1608 Dodge indicates Headlamp Switch Input Circuit High.
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.

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Code Popularity 4,946

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 May 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1608 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 B1608 Dodge - Headlamp Switch Input Circuit High - AutoCodes.com — B1608 Dodge Code - Headlamp Switch Input Circuit High

What does this mean?

What are the Possible Causes of the DTC B1608 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 B1608 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 B1608 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 B1608 Dodge Code

1. What are common symptoms of OBDII code B1608 Dodge (Headlamp Switch Input Circuit High)?

- Common symptoms include malfunctioning headlamps, flickering lights, or total loss of headlamp function.

2. What are possible causes of OBDII code B1608 Dodge?

- Possible causes include a faulty headlamp switch, damaged wiring or connectors in the headlamp circuit, or a defective body control module.

3. How can I diagnose the cause of OBDII code B1608 Dodge?

- Diagnose the issue by checking the headlamp switch for proper operation, inspecting the wiring and connectors for damage, and using a scan tool to retrieve trouble codes and data from the body control module.

4. Can a DIY enthusiast repair OBDII code B1608 Dodge?

- DIY repairs are possible depending on the cause. Replacing a faulty headlamp switch or repairing damaged wiring may be manageable for those with some automotive experience.

5. Is it safe to continue driving with OBDII code B1608 Dodge?

- It is not recommended to drive with this code as malfunctioning headlamps can compromise visibility and safety, especially at night or in low light conditions.

6. How much does it typically cost to repair OBDII code B1608 Dodge?

- The cost of repair can vary depending on the cause of the issue. Simple fixes like replacing a headlamp switch may cost around $50-$100, while more complex repairs involving wiring or module replacement can cost several hundred dollars.

7. Can weather conditions affect the likelihood of OBDII code B1608 Dodge occurring?

- Weather conditions can potentially impact the headlamp circuit, especially if there is water damage or corrosion present in the wiring or connectors.

8. Are there any preventative maintenance tips to avoid OBDII code B1608 Dodge?

- Regularly inspecting the headlamp circuit for any signs of wear or damage, and promptly addressing any issues can help prevent the occurrence of this trouble code.

9. How long does it typically take to repair OBDII code B1608 Dodge?

- The repair time can vary depending on the complexity of the issue and the availability of parts. Simple repairs may take a few hours, while more involved repairs could take a day or more.

10. Can resetting the trouble code resolve OBDII code B1608 Dodge temporarily?

- Resetting the trouble code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.