AutoCodes – Chrysler – B1D39 Chrysler

B1D39 Chrysler Code - Passenger Mirror Heater Control Circuit Open

Quick Answer

This code is set 10 seconds after the Passenger Memory Mirror Module detects an open in the Passenger Mirror Heater Control Circuit. Common causes include Faulty Passenger Mirror Heater, Passenger Mirror Heater harness is open or shorted, Passenger Mirror Heater 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
B1D39 Chrysler indicates Passenger Mirror Heater Control Circuit Open.
Common causes
Common causes include Faulty Passenger Mirror Heater, Passenger Mirror Heater harness is open or shorted, Passenger Mirror Heater 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 1,026
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 29, 2019
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Code B1D39 Chrysler Description

This code is set 10 seconds after the Passenger Memory Mirror Module detects an open in the Passenger Mirror Heater Control Circuit.
OBDII Code B1D39 Chrysler - Passenger Mirror Heater Control Circuit Open - AutoCodes.com
B1D39 Chrysler Code - Passenger Mirror Heater Control Circuit Open

What are the Possible Causes of the DTC B1D39 Chrysler?

  • Faulty Passenger Mirror Heater
  • Passenger Mirror Heater harness is open or shorted
  • Passenger Mirror Heater circuit poor electrical connection
  • Faulty Passenger Memory Mirror Module

How to Fix the DTC B1D39 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 B1D39 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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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 B1D39 Chrysler Code

1. What are the common symptoms of OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

The common symptoms of code B1D39 include the passenger side mirror heater not functioning properly, the mirror not defrosting or clearing fog as expected, and the mirror heater indicator light staying off.

2. What can cause the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

The code B1D39 is usually triggered by a fault in the wiring of the passenger side mirror heater system, a damaged mirror heater element, a faulty mirror heater control switch, or a poor electrical connection.

3. How can I diagnose the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

To diagnose code B1D39, you can start by visually inspecting the mirror heater wiring and connections for any visible damage. Using a multimeter, test the continuity of the mirror heater circuit and check for any open circuits or shorts.

4. Can I still drive my vehicle with the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

Yes, you can still drive your vehicle with code B1D39 as it primarily affects the passenger side mirror heater function. However, it is recommended to address the issue promptly, especially in cold or foggy conditions where the mirror heater is essential for visibility.

5. How do I repair the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

To repair code B1D39, you may need to repair or replace the damaged wiring or connectors in the mirror heater circuit. Additionally, replacing a faulty mirror heater element or control switch may be necessary to resolve the issue.

6. Can extreme weather conditions contribute to triggering the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

Yes, extreme weather conditions such as freezing temperatures or heavy snowfall can put additional strain on the mirror heater system, potentially leading to the code B1D39 being triggered.

7. Is the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open) a safety concern?

While the code B1D39 may not directly affect the overall safety of the vehicle, it can impact visibility by hindering the proper function of the passenger side mirror heater. It is advisable to address the issue to maintain optimal visibility while driving.

8. Can a DIY enthusiast repair the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

Depending on your skill level and experience with automotive electrical systems, a DIY enthusiast may be able to repair the code B1D39. However, it is essential to follow proper diagnostic procedures and safety precautions when working on the mirror heater circuit.

9. How long does it typically take to repair the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open)?

The repair time for code B1D39 can vary depending on the exact cause of the issue and the complexity of the repair. In general, repairing the wiring or connectors may take a few hours, while replacing the mirror heater element or control switch could take longer.

10. Can ignoring the OBDII code B1D39 Chrysler (Passenger Mirror Heater Control Circuit Open) lead to other problems in the vehicle?

Ignoring code B1D39 may not directly cause other problems in the vehicle, but it can lead to reduced visibility due to the malfunctioning passenger side mirror heater. Addressing the issue promptly can help prevent potential safety hazards and maintain optimal driving conditions.

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