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B1F07 Chrysler Code - Auxiliary Switch Bank Module Internal

Quick Answer

The B1F07 code indicates a fault within the Auxiliary Switch Bank Module (ASBM) of a Chrysler vehicle. Common causes include Internal failure of the Auxiliary Switch Bank Module, Corrosion or damage to electrical connectors or wiring associated with the ASBM, Short circuits caused by frayed wires or poor insulation. 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
B1F07 Chrysler indicates Auxiliary Switch Bank Module Internal.
Common causes
Common causes include Internal failure of the Auxiliary Switch Bank Module, Corrosion or damage to electrical connectors or wiring associated with the ASBM, Short circuits caused by frayed wires or poor insulation.
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.
What is this?
Table of contents Created and updated by William Orellana on Oct 01, 2024
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Code B1F07 Chrysler Description

The B1F07 code indicates a fault within the Auxiliary Switch Bank Module (ASBM) of a Chrysler vehicle. This module is responsible for managing various auxiliary functions, which may include the operation of features such as power windows, mirrors, and other electronic accessories. When the ASBM detects an internal malfunction, it triggers the B1F07 code, signaling that the module is unable to perform its intended functions effectively.

OBDII Code B1F07 Chrysler - Auxiliary Switch Bank Module Internal
B1F07 Chrysler Code - Auxiliary Switch Bank Module Internal

Common Causes of B1F07 Chrysler

  1. Internal failure of the Auxiliary Switch Bank Module.
  2. Corrosion or damage to electrical connectors or wiring associated with the ASBM.
  3. Short circuits caused by frayed wires or poor insulation.
  4. Software glitches or programming errors within the vehicle's control modules.
  5. Environmental factors, such as moisture ingress or extreme temperature exposure affecting module performance.

Symptoms of B1F07 Chrysler

  1. Inoperable power windows or mirrors.
  2. Malfunctioning or non-responsive auxiliary features (e.g., heated seats, sunroof).
  3. Intermittent electrical issues, such as flickering lights or erratic behavior of electronic components.
  4. Warning lights illuminated on the dashboard related to electrical systems.
  5. Difficulty in using remote keyless entry or other electronic access features.

How to Fix B1F07 Chrysler

  1. Diagnostic Scan: Begin by using an OBD-II scanner to confirm the B1F07 code and check for any additional codes that may provide further insight into the issue.
  2. Visual Inspection: Conduct a thorough visual inspection of the ASBM and associated wiring harnesses for signs of damage, corrosion, or loose connections.
  3. Connector Cleaning: If corrosion is found, clean the connectors with an appropriate electrical contact cleaner and ensure a secure connection.
  4. Module Replacement: If the ASBM is determined to be faulty, replace it with a new or refurbished module that meets OEM specifications.
  5. Reprogramming: After replacement, reprogram the new module as necessary to ensure compatibility with the vehicle's systems and clear any diagnostic trouble codes.

Cost to Fix B1F07 Chrysler

** Repair costs for addressing the B1F07 code can vary widely based on several factors, including the specific diagnosis time, parts required, and labor rates in your area. On average, you can expect to pay between $200 and $600 for repairs related to the Auxiliary Switch Bank Module. This estimate includes the cost of the module itself (which can range from $100 to $400) and labor costs, which typically range from $80 to $150 per hour.

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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 B1F07 Chrysler Code

1. What does the OBDII code B1F07 mean on a Chrysler vehicle?

The code B1F07 indicates an internal fault in the Auxiliary Switch Bank Module, which controls auxiliary switches and functions.

2. What are the common symptoms of the B1F07 code?

Symptoms may include non-functional auxiliary switches, dashboard warning messages, or unusual behavior in systems controlled by the Auxiliary Switch Bank Module.

3. What causes the B1F07 code to appear on a Chrysler?

The code is typically caused by an internal failure of the Auxiliary Switch Bank Module, software glitches, or wiring issues such as loose or damaged connections.

4. Can the B1F07 code be triggered by a dead battery or voltage issues?

Yes, low voltage or power surges can sometimes cause the module to malfunction and store the B1F07 code.

5. How do I diagnose the B1F07 code?

Diagnose the code by using a scan tool to confirm the fault, visually inspecting the module and wiring, and performing continuity tests on related circuits.

6. Can the B1F07 code be fixed by resetting the system?

In some cases, clearing the code and performing a system reset may temporarily resolve the issue, but if the fault persists, further repair is needed.

7. Do I need to replace the Auxiliary Switch Bank Module to fix the B1F07 code?

If the module has an internal fault, replacement is likely required. However, always verify the diagnosis before replacing parts.

8. How much does it cost to repair the B1F07 code on a Chrysler?

Repair costs can vary, but replacing the Auxiliary Switch Bank Module typically ranges from $200 to $500, including parts and labor.

9. Can I drive my Chrysler with the B1F07 code active?

Driving is usually possible, but auxiliary functions may not work correctly. Address the issue promptly to avoid further complications.

10. Is the B1F07 code covered under warranty?

Check your vehicle’s warranty details, as some manufacturers may cover module-related repairs under certain conditions.

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