AutoCodes – RAM – B1644 RAM

B1644 RAM Code - Rear Left Turn Control Circuit High

Quick Answer

The Total Integrated Power Module (TIPM) monitors the Rear Left Turn Control. Common causes include Faulty Rear Left Turn Signal Lamp, Rear Left Turn Signal Lamp harness is open or shorted, Rear Left Turn Signal Lamp 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
B1644 RAM indicates Rear Left Turn Control Circuit High.
Common causes
Common causes include Faulty Rear Left Turn Signal Lamp, Rear Left Turn Signal Lamp harness is open or shorted, Rear Left Turn Signal Lamp 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 1,088
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 28, 2019
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code B1644 RAM Description

The Total Integrated Power Module (TIPM) monitors the Rear Left Turn Control. The TIPM sets the OBDII code when the Rear Left Turn Control is not to factory specifications.
OBDII Code B1644 RAM - Rear Left Turn Control Circuit High - AutoCodes.com
B1644 RAM Code - Rear Left Turn Control Circuit High

What are the Possible Causes of the DTC B1644 RAM?

  • Faulty Rear Left Turn Signal Lamp
  • Rear Left Turn Signal Lamp harness is open or shorted
  • Rear Left Turn Signal Lamp circuit poor electrical connection
  • Faulty Total Integrated Power Module (TIPM)

How to Fix the DTC B1644 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 B1644 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 B1644 RAM code?

Need more information on how to fix the B1644 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1644 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 B1644 RAM Code

1. What are the common symptoms of OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- Common symptoms include the rear left turn signal not working, fast blinking turn signal indicator, or a warning light on the dashboard.

2. What are the possible causes of OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- The code can be triggered by issues such as a faulty turn signal bulb, damaged wiring or connectors, a defective turn signal switch, or a problem with the body control module.

3. How can I diagnose the cause of OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- To diagnose the issue, you can start by inspecting the rear left turn signal bulb, checking the wiring and connectors for damage, testing the turn signal switch, and using a diagnostic scanner to read the code and pinpoint the exact problem.

4. Can I drive my vehicle with OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- It is not recommended to drive the vehicle with this code active, as it can affect the turn signal operation and compromise safety on the road. It is best to address the issue promptly.

5. How can I repair OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- Repair options may include replacing the faulty turn signal bulb, repairing or replacing damaged wiring or connectors, fixing the turn signal switch, or reprogramming the body control module if necessary.

6. Is OBDII code B1644 RAM - Rear Left Turn Control Circuit High a serious issue?

- While it may not affect the drivability of the vehicle, it is still important to address this code promptly to ensure the proper functioning of the turn signal system and maintain road safety.

7. Can a DIY enthusiast fix OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- Depending on your experience and tools available, some DIY enthusiasts may be able to address this code by following repair guides and using basic diagnostic equipment. However, more complex issues may require professional assistance.

8. How much does it typically cost to fix OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- The cost of fixing this code can vary depending on the specific cause of the issue, labor rates in your area, and whether you choose OEM or aftermarket parts. It's advisable to get a few quotes from mechanics to compare prices.

9. Can extreme weather conditions cause OBDII code B1644 RAM - Rear Left Turn Control Circuit High?

- Extreme weather conditions, such as water damage from heavy rain or snow, can potentially cause electrical issues that lead to this code. It's important to protect your vehicle from such conditions and address any damage promptly.

10. How often does OBDII code B1644 RAM - Rear Left Turn Control Circuit High occur in vehicles?

- The occurrence of this code can vary depending on the age and condition of the vehicle, as well as maintenance history. It is not one of the most common OBDII codes, but it can still happen due to various factors.

Discuss the causes and fixes for B1644 RAM OBDII Code

Code B1644 RAM comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play