AutoCodes – RAM – B17FF RAM

B17FF RAM Code - Ambient Cabin Light Dimmer Switch Circuit Short To Battery Or Open

Quick Answer

The Body Control Module (BCM) monitors the Ambient Cabin Light Dimmer Switch. Common causes include Faulty Ambient Cabin Light Dimmer Switch, Ambient Cabin Light Dimmer Switch harness is open or shorted, Ambient Cabin Light Dimmer 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: B17FF RAM indicates Ambient Cabin Light Dimmer Switch Circuit Short To Battery Or Open.
Common causes: Common causes include Faulty Ambient Cabin Light Dimmer Switch, Ambient Cabin Light Dimmer Switch harness is open or shorted, Ambient Cabin Light Dimmer 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 1,800

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 Jul 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B17FF RAM Description

The Body Control Module (BCM) monitors the Ambient Cabin Light Dimmer Switch. The BCM detects greater than 4.687 volts on the Panel Lamps Dimmer Switch MUX circuit for greater than 10 seconds.

OBDII Code B17FF RAM - Ambient Cabin Light Dimmer Switch Circuit Short To Battery Or Open - AutoCodes.com — B17FF RAM Code - Ambient Cabin Light Dimmer Switch Circuit Short To Battery Or Open

What does this mean?

What are the Possible Causes of the DTC B17FF RAM?

Faulty Ambient Cabin Light Dimmer Switch
Ambient Cabin Light Dimmer Switch harness is open or shorted
Ambient Cabin Light Dimmer Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B17FF RAM?

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 B17FF RAM 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 B17FF RAM Code

1. What are common symptoms of OBDII code B17FF RAM related to the ambient cabin light dimmer switch circuit?

The common symptoms include non-functioning ambient cabin lights or erratic behavior of the dimmer switch.

2. What are the possible causes of OBDII code B17FF RAM for the ambient cabin light dimmer switch circuit?

Potential causes may include a short to battery or an open circuit in the wiring, a faulty dimmer switch, or a malfunctioning ambient light control module.

3. How can I diagnose the issue related to OBDII code B17FF RAM for the ambient cabin light dimmer switch circuit?

You can start by visually inspecting the wiring and connectors for any visible damage. Using a multimeter to test for continuity and voltage can help pinpoint the exact location of the fault.

4. Is it safe to continue driving with OBDII code B17FF RAM triggered?

It is generally safe to drive with this code triggered, but it is recommended to address the issue promptly to ensure proper functionality of the ambient cabin lights.

5. Can I repair OBDII code B17FF RAM for the ambient cabin light dimmer switch circuit myself?

If you have experience working with automotive electrical systems, you may be able to repair this issue yourself by identifying and fixing the faulty component or wiring.

6. What are the repair options for fixing OBDII code B17FF RAM?

Repair options include repairing or replacing damaged wiring, replacing the dimmer switch or ambient light control module, and resetting the fault code using an OBDII scanner.

7. Will resetting the OBDII code B17FF RAM make the issue go away permanently?

Resetting the code may temporarily turn off the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

8. How much does it typically cost to repair OBDII code B17FF RAM for the ambient cabin light dimmer switch circuit?

The cost of repair can vary depending on the specific cause of the issue, but it can range from a simple DIY fix to a more complex repair involving replacement parts.

9. Are there any known recalls or technical service bulletins related to OBDII code B17FF RAM?

It's recommended to check with the manufacturer or a qualified mechanic to see if there are any recalls or technical service bulletins related to this specific OBDII code.

10. Can OBDII code B17FF RAM for the ambient cabin light dimmer switch circuit impact other vehicle systems?

While this code typically relates to the ambient cabin light dimmer switch circuit, it's possible that electrical issues could potentially affect other systems in the vehicle.