AutoCodes – Chrysler – B1643 Chrysler

B1643 Chrysler Code - Rear Left Turn Control Circuit Low

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: B1643 Chrysler indicates Rear Left Turn Control Circuit Low.
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.

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Code Popularity 1,330

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 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1643 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 B1643 Chrysler - Rear Left Turn Control Circuit Low - AutoCodes.com — B1643 Chrysler Code - Rear Left Turn Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B1643 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 B1643 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 B1643 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.

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Need more information on how to fix the B1643 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1643 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 B1643 Chrysler Code

1. What are the common symptoms of OBDII code B1643 in a Chrysler related to the Rear Left Turn Control Circuit Low?

- Common symptoms include the left turn signal not functioning properly, fast blinking of the turn signal, or the turn signal staying constantly on.

2. What are the possible causes of OBDII code B1643 in a Chrysler?

- The code B1643 can be caused by issues such as a malfunctioning turn signal switch, a faulty wiring harness, a blown fuse, or a problem with the turn signal bulb.

3. How can I diagnose the OBDII code B1643 related to the Rear Left Turn Control Circuit Low in my Chrysler?

- To diagnose this code, you can start by checking the left turn signal bulb, inspecting the wiring for any damage, testing the turn signal switch, and verifying the fuse related to the turn signal circuit.

4. What are some repair tips for fixing OBDII code B1643 in a Chrysler?

- Repair tips may include replacing the left turn signal bulb, repairing any damaged wiring, replacing the turn signal switch if necessary, and checking and replacing any blown fuses in the circuit.

5. Can OBDII code B1643 in a Chrysler cause any safety concerns?

- Yes, since the left turn signal is an essential safety feature for indicating turns to other drivers, it is important to address and repair the issue promptly to ensure safe driving conditions.

6. Is it possible to reset the OBDII code B1643 in a Chrysler without fixing the underlying issue?

- While you can clear the code temporarily, it is essential to address the root cause of the problem to prevent the code from reoccurring and ensure proper functioning of the left turn signal.

7. How do I know if the OBDII code B1643 in my Chrysler is related to a wiring issue?

- If the left turn signal functions intermittently or exhibits erratic behavior along with the code B1643, it is advisable to inspect the wiring harness for any signs of damage or corrosion.

8. Can extreme weather conditions contribute to triggering OBDII code B1643 in a Chrysler?

- Yes, extreme weather conditions such as heavy rain, snow, or humidity can potentially cause electrical connections to corrode or short circuit, leading to the triggering of the B1643 code.

9. Are there any recalls or technical service bulletins related to OBDII code B1643 in Chrysler vehicles?

- It is recommended to check with a Chrysler dealership or visit the NHTSA website to see if there are any recalls or technical service bulletins addressing the OBDII code B1643 for specific Chrysler models.

10. Is it possible to prevent OBDII code B1643 from occurring in my Chrysler?

- Regular maintenance checks, prompt replacement of faulty bulbs, and addressing any electrical issues promptly can help prevent the occurrence of the B1643 code in your Chrysler.