AutoCodes – RAM – B1670 RAM

B1670 RAM Code - Right Trailer Tow Lamp Control Circuit High

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Right Trailer Tow Lamp Control. Common causes include Faulty Right Trailer Tow Lamp Bulb, Right Trailer Tow Lamp Bulb harness is open or shorted, Right Trailer Tow Lamp Bulb 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: B1670 RAM indicates Right Trailer Tow Lamp Control Circuit High.
Common causes: Common causes include Faulty Right Trailer Tow Lamp Bulb, Right Trailer Tow Lamp Bulb harness is open or shorted, Right Trailer Tow Lamp Bulb 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 786

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 Jun 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1670 RAM Description

The Totally Integrated Power Module (TIPM) monitors the Right Trailer Tow Lamp Control. The TIPM sets the OBDII code when the Right Trailer Tow Lamp Control is not to factory specifications.

OBDII Code B1670 RAM - Right Trailer Tow Lamp Control Circuit High - AutoCodes.com — B1670 RAM Code - Right Trailer Tow Lamp Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B1670 RAM?

Faulty Right Trailer Tow Lamp Bulb
Right Trailer Tow Lamp Bulb harness is open or shorted
Right Trailer Tow Lamp Bulb circuit poor electrical connection
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B1670 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 B1670 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.

Need more information about the B1670 RAM code?

Need more information on how to fix the B1670 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1670 RAM code diagnosed by a professional: Find a repair shop in your area

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 B1670 RAM Code

1. What are the common symptoms of OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

The common symptoms include the right trailer tow lamp staying constantly illuminated, flickering, or not working at all.

2. What are the possible causes of OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

Possible causes include a faulty trailer tow lamp, damaged wiring or connectors in the trailer tow circuit, a malfunctioning trailer tow lamp control module, or a short circuit.

3. How can I diagnose the issue triggering OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

You can start by visually inspecting the trailer tow lamp and its wiring for any visible damage. Using a multimeter, test for continuity and voltage in the circuit to pinpoint the issue.

4. Can a blown fuse be a potential cause of OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

Yes, a blown fuse in the trailer tow lamp circuit can cause this error code. Check and replace any blown fuses as part of the diagnostic process.

5. What is the recommended repair for OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

The recommended repair involves repairing or replacing any damaged wiring or connectors in the trailer tow circuit, fixing the trailer tow lamp, or replacing the trailer tow lamp control module if necessary.

6. Is it safe to continue driving with OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

It is not recommended to continue driving with this issue, as it may pose a safety risk, especially when towing a trailer. Prompt diagnosis and repair are advised.

7. Can a DIY enthusiast fix OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this issue. However, if you are unsure, it's best to seek professional help.

8. How do I reset OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High after making the necessary repairs?

After fixing the underlying issue, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the code.

9. Are there any preventive measures to avoid triggering OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High in the future?

Regularly inspecting the trailer tow lamp and its wiring for any signs of wear or damage, as well as ensuring proper trailer connections, can help prevent this code from reoccurring.

10. Will fixing OBDII code B1670 RAM Right Trailer Tow Lamp Control Circuit High affect my vehicle's overall performance?

Fixing this specific code will primarily address the trailer tow lamp control circuit issue and is unlikely to have a significant impact on your vehicle's overall performance.