AutoCodes – Chrysler – B1644 Chrysler

B1644 Chrysler 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 Chrysler 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 4,336
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 28, 2019
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Code B1644 Chrysler 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 Chrysler - Rear Left Turn Control Circuit High - AutoCodes.com
B1644 Chrysler Code - Rear Left Turn Control Circuit High

What are the Possible Causes of the DTC B1644 Chrysler?

  • 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 Chrysler?

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 Chrysler 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 Chrysler code?

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

Need Help with the Code?

Get the B1644 Chrysler 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 Chrysler Code

1. What are the common symptoms of OBDII code B1644 Chrysler (Rear Left Turn Control Circuit High)?

The common symptoms include the left turn signals not working or staying on continuously, the turn signal indicator flashing rapidly, or the left turn signal not illuminating at all.

2. What are the possible causes of OBDII code B1644 Chrysler?

Possible causes of this code include a faulty turn signal switch, wiring issues in the left turn signal circuit, a malfunctioning body control module (BCM), or a short circuit in the wiring.

3. How can I diagnose the OBDII code B1644 Chrysler?

Diagnosing this code involves using a scan tool to retrieve the fault codes, inspecting the left turn signal circuit for damaged wiring or loose connections, and testing the components such as the turn signal switch and BCM for proper functionality.

4. Can I drive my vehicle with OBDII code B1644 Chrysler?

It is not recommended to drive the vehicle with this code as it can affect the safety of your driving, especially when making left turns or changing lanes. It is best to address the issue promptly.

5. What are the repair options for OBDII code B1644 Chrysler?

Repair options include repairing or replacing damaged wiring, replacing the turn signal switch or BCM if faulty, and clearing the fault codes with a scan tool after the repair is completed.

6. How much does it cost to fix OBDII code B1644 Chrysler?

The cost of fixing this code can vary depending on the underlying cause of the issue, the labor rates in your area, and the cost of parts needed for the repair. It is recommended to get a diagnostic from a qualified mechanic to determine the exact cost.

7. Can a DIY enthusiast fix OBDII code B1644 Chrysler?

DIY enthusiasts with automotive repair experience may be able to address this code by following diagnostic procedures and repair steps outlined in the vehicle's service manual. However, if unsure, it is best to seek professional help.

8. Is OBDII code B1644 Chrysler a serious issue?

While this code may not cause immediate harm to the vehicle, it can impact the proper functioning of the turn signals, which are essential for safe driving. Ignoring the issue can lead to potential safety hazards.

9. Will resetting the fault codes clear OBDII code B1644 Chrysler?

Resetting the fault codes may temporarily clear the code, but if the underlying issue is not addressed and repaired, the code is likely to return. It is important to diagnose and fix the root cause of the problem.

10. How long does it take to fix OBDII code B1644 Chrysler?

The time needed to fix this code can vary depending on the complexity of the issue, the availability of parts, and the expertise of the mechanic. Simple repairs may take a few hours, while more complex issues may require more time.

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