AutoCodes – Generic – B160A

B160A Code - Panel Dimmer Input Circuit Low

Quick Answer

The Instrument Cluster monitors the Panel Dimmer Input. 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: B160A indicates Panel Dimmer 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.

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Code Popularity 1,371

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 B160A Description

The Instrument Cluster monitors the Panel Dimmer Input. The Instrument Cluster sets the OBDII code when the Panel Dimmer Input is not to factory specifications.

OBDII Code B160A - Panel Dimmer Input Circuit Low - AutoCodes.com — B160A Code - Panel Dimmer Input Circuit Low

What does this mean?

What are the Possible Causes of the DTC B160A?

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

How to Fix the DTC B160A?

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 B160A 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 B160A code?

Need more information on how to fix the B160A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B160A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B160A Chrysler — Panel Dimmer Input Circuit Low
B160A Dodge — Panel Dimmer Input Circuit Low
B160A Jeep — Panel Dimmer Input Circuit Low
B160A RAM — Panel Dimmer Input Circuit Low

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 B160A Code

1. What are the common symptoms of OBDII code B160A (Panel Dimmer Input Circuit Low)?

- Dim or non-functioning instrument panel lights, flickering lights, or difficulty adjusting brightness are common symptoms.

2. What are the possible causes of OBDII code B160A?

- The code B160A may be caused by a faulty dimmer switch, damaged wiring, a defective instrument cluster, or a malfunctioning body control module.

3. How can I diagnose the Panel Dimmer Input Circuit Low issue?

- To diagnose the issue, you can use a scan tool to retrieve the OBDII code B160A, visually inspect the dimmer switch and wiring for damage, and perform tests to check the functionality of the dimmer circuit components.

4. Can a DIYer repair OBDII code B160A at home?

- Depending on your level of expertise, repairing OBDII code B160A may be possible at home by replacing the dimmer switch, repairing damaged wiring, or resetting the body control module. However, professional assistance may be needed for complex issues.

5. Is it safe to continue driving with OBDII code B160A unresolved?

- While driving with code B160A may not pose an immediate safety risk, it is recommended to address the issue promptly to ensure proper functionality of the instrument panel lights for visibility and driver awareness.

6. What are some tips for preventing OBDII code B160A from occurring?

- Regularly checking and maintaining the dimmer switch, inspecting wiring for damage, and addressing any electrical issues promptly can help prevent OBDII code B160A from occurring.

7. Can weather or environmental factors contribute to OBDII code B160A?

- Extreme temperatures, moisture, or exposure to harsh environmental conditions can potentially damage the dimmer switch or wiring, leading to the occurrence of code B160A.

8. Are there any recalls or technical service bulletins related to OBDII code B160A?

- Checking with the vehicle manufacturer or authorized service centers for any recalls or technical service bulletins related to code B160A can provide valuable information and guidance for addressing the issue.

9. How long does it typically take to repair OBDII code B160A?

- The repair time for OBDII code B160A can vary depending on the underlying cause and complexity of the issue. Simple repairs like replacing the dimmer switch may take a few hours, while more extensive diagnostics and repairs could take longer.

10. Can resetting the vehicle's computer system clear OBDII code B160A?

- Resetting the vehicle's computer system may temporarily clear the code, but if the underlying issue is not addressed, OBDII code B160A is likely to reappear. It is important to diagnose and repair the root cause of the problem.