Engine-CodesChrysler – B164B Chrysler

B164B Chrysler Code - Driver Mirror Signal Lamp Control Circuit Low

Quick Answer

The B164B Chrysler diagnostic trouble code (DTC) specifically refers to the driver mirror signal lamp control circuit being detected as low. Common causes include Faulty driver mirror signal lamp, Wiring harness issues such as frayed or damaged wires, Loose or corroded electrical connections. 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
B164B Chrysler indicates Driver Mirror Signal Lamp Control Circuit Low.
Common causes
Common causes include Faulty driver mirror signal lamp, Wiring harness issues such as frayed or damaged wires, Loose or corroded electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B164B Chrysler Description

The B164B Chrysler diagnostic trouble code (DTC) specifically refers to the driver mirror signal lamp control circuit being detected as low. This code indicates that there is an issue with the electrical circuit that controls the driver-side mirror signal lamp. The mirror signal lamp is an important safety feature that alerts other drivers of your intentions to turn or change lanes. When this circuit is not functioning properly, it can affect the visibility of your vehicle to other drivers, potentially leading to accidents or citations.

OBDII Code B164B Chrysler - Driver Mirror Signal Lamp Control Circuit Low
B164B Chrysler Code - Driver Mirror Signal Lamp Control Circuit Low

Common Causes of B164B Chrysler

  1. Faulty driver mirror signal lamp.
  2. Wiring harness issues such as frayed or damaged wires.
  3. Loose or corroded electrical connections.
  4. Faulty body control module (BCM).
  5. Water intrusion causing damage to the circuit.

Symptoms of B164B Chrysler

  1. Driver-side mirror signal lamp not illuminating when turn signal or hazard lights are activated.
  2. Dim or flickering driver-side mirror signal lamp.
  3. Dashboard warning light indicating an issue with the lighting system.
  4. Vehicle failing state inspection due to non-functional mirror signal lamp.

How to Fix B164B Chrysler

  1. Begin by visually inspecting the driver-side mirror signal lamp for any visible damage or issues.
  2. Check the wiring harness connected to the mirror signal lamp for any signs of damage or corrosion. Repair or replace as necessary.
  3. Inspect and clean any electrical connections related to the mirror signal lamp to ensure a secure connection.
  4. Use a multimeter to test the voltage being supplied to the mirror signal lamp. If the voltage is low, further diagnosis may be needed to determine the exact cause.
  5. If all previous steps do not resolve the issue, consider consulting a professional mechanic or dealership for further diagnosis and potential replacement of the body control module.

Cost to Fix B164B Chrysler

The typical repair costs for addressing a B164B Chrysler code can vary depending on the specific cause of the issue. In general, replacing a faulty mirror signal lamp can cost between $50 to $100, while addressing wiring harness issues or electrical connections may range from $100 to $300. If the body control module needs to be replaced, this can significantly increase the repair costs, potentially ranging from $300 to $800 or more. It's important to note that labor rates at auto repair shops can vary, typically ranging between $80 and $150 per hour. Additionally, factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. For a more precise estimate, it's advisable to consult with local auto repair shops.

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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 B164B Chrysler Code

1. What are the common symptoms of OBDII code B164B in a Chrysler related to the driver mirror signal lamp control circuit low?

- Common symptoms include the driver-side mirror signal lamp not functioning properly or not illuminating at all.

2. What are the possible causes of the OBDII code B164B in a Chrysler signaling a driver mirror signal lamp control circuit low?

- The code may be triggered due to a faulty driver mirror signal lamp, a damaged wiring harness, a defective mirror control module, or a problem with the vehicle's body control module.

3. How can I diagnose the driver mirror signal lamp control circuit low issue in my Chrysler?

- To diagnose the issue, you can start by visually inspecting the driver mirror signal lamp for any visible damage. Use a multimeter to test the continuity of the wiring harness and check for any loose connections.

4. Can a DIY enthusiast repair the driver mirror signal lamp control circuit low issue in a Chrysler?

- Depending on the specific cause, DIY enthusiasts may be able to repair the issue by replacing the faulty mirror signal lamp, repairing damaged wiring, or resetting the mirror control module.

5. Is it necessary to visit a dealership or mechanic to fix the OBDII code B164B related to the driver mirror signal lamp control circuit low?

- Visiting a dealership or mechanic is recommended, especially if you are unsure about diagnosing or repairing electrical issues in your Chrysler. They have the expertise and tools to address the problem effectively.

6. Will driving with the OBDII code B164B active cause any further damage to my Chrysler?

- While driving with the code active may not immediately lead to further damage, it is essential to address the issue promptly to ensure the driver mirror signal lamp functions correctly for safety reasons.

7. How much can I expect to pay for repairing the driver mirror signal lamp control circuit low issue in a Chrysler?

- The cost of repair can vary depending on the specific cause of the issue. Simple fixes like replacing a bulb may be relatively inexpensive, while repairing or replacing modules and wiring can be more costly.

8. Are there any recalls or technical service bulletins related to the OBDII code B164B in Chrysler vehicles?

- It's advisable to check with Chrysler or visit their official website to see if there are any recalls or technical service bulletins related to this specific OBDII code for your vehicle model.

9. Can extreme weather conditions or water exposure cause the OBDII code B164B to trigger in a Chrysler?

- Yes, exposure to extreme weather conditions or water ingress can potentially damage the driver mirror signal lamp or the control circuit, leading to the activation of the B164B trouble code.

10. What steps can I take to prevent the recurrence of the driver mirror signal lamp control circuit low issue in my Chrysler?

- To prevent future occurrences, regularly inspect the condition of the mirror signal lamps, avoid water exposure to electrical components, and address any minor issues promptly before they escalate.

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