AutoCodes – Chrysler – B1664 Chrysler

B1664 Chrysler Code - Rear Fog Lamp Control Circuit High

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Rear Fog Lamp Control. Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog 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: B1664 Chrysler indicates Rear Fog Lamp Control Circuit High.
Common causes: Common causes include Faulty Left or Right Rear Fog Lamp Bulb, Left or Right Rear Fog Lamp Bulb harness is open or shorted, Left or Right Rear Fog 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 1,419

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 B1664 Chrysler Description

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

OBDII Code B1664 Chrysler - Rear Fog Lamp Control Circuit High - AutoCodes.com — B1664 Chrysler Code - Rear Fog Lamp Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B1664 Chrysler?

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

How to Fix the DTC B1664 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 B1664 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 B1664 Chrysler code?

Need more information on how to fix the B1664 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1664 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 B1664 Chrysler Code

1. What are the common symptoms of OBDII code B1664 Chrysler (Rear Fog Lamp Control Circuit High)?

The common symptoms include the rear fog lamps not functioning properly, flickering lights, or the lamps staying on constantly.

2. What are the possible causes of OBDII code B1664 Chrysler?

Possible causes include a faulty rear fog lamp switch, damaged wiring or connectors in the circuit, or a malfunctioning body control module.

3. How can I diagnose the issue related to OBDII code B1664 Chrysler?

You can use a diagnostic scan tool to read the code and pinpoint the exact location of the problem in the rear fog lamp control circuit.

4. What are some repair tips for resolving OBDII code B1664 Chrysler?

Inspect the rear fog lamp switch for any signs of damage, check the wiring for any exposed or broken areas, and ensure all connectors are securely attached.

5. Can I still drive my vehicle with OBDII code B1664 Chrysler?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the rear fog lamps function correctly.

6. How do I reset the OBDII code B1664 Chrysler after making repairs?

You can use a diagnostic scan tool to clear the code after fixing the underlying issue in the rear fog lamp control circuit.

7. Do I need to replace the rear fog lamp assembly to fix OBDII code B1664 Chrysler?

Not necessarily. Start by inspecting the switch, wiring, and connectors before considering replacing the entire assembly.

8. Can extreme weather conditions cause OBDII code B1664 Chrysler to trigger?

Yes, extreme weather conditions like heavy rain or snow can potentially affect the rear fog lamp control circuit and trigger this code.

9. Is OBDII code B1664 Chrysler a common issue in Chrysler vehicles?

While it may not be extremely common, some Chrysler vehicles may experience this code due to electrical issues related to the rear fog lamp circuit.

10. Can a DIY enthusiast fix OBDII code B1664 Chrysler, or is it best left to professionals?

Depending on your skill level and knowledge of automotive electrical systems, a DIY enthusiast may be able to diagnose and repair this code. If in doubt, it's best to consult a professional mechanic.