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B1694 Dodge Code - Accessory Dimming Control Circuit High

Quick Answer

The B1694 diagnostic trouble code (DTC) for Dodge vehicles refers to the Accessory Dimming Control Circuit High. Common causes include Faulty dimming control module, Short circuit in the dimming control circuit, Malfunctioning dimmer switch. 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
B1694 Dodge indicates Accessory Dimming Control Circuit High.
Common causes
Common causes include Faulty dimming control module, Short circuit in the dimming control circuit, Malfunctioning dimmer switch.
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 Sep 16, 2024
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Code B1694 Dodge Description

The B1694 diagnostic trouble code (DTC) for Dodge vehicles refers to the Accessory Dimming Control Circuit High. This code indicates that there is a high voltage condition detected in the circuit responsible for controlling the dimming of accessories in the vehicle, such as interior lights, instrument panel lighting, and other electronic components that can be adjusted for brightness. The dimming control circuit is crucial for adjusting the brightness of these accessories to suit the driver's preferences and ensure optimal visibility while driving.

OBDII Code B1694 Dodge - Accessory Dimming Control Circuit High
B1694 Dodge Code - Accessory Dimming Control Circuit High

Common Causes of B1694 Dodge

  1. Faulty dimming control module.
  2. Short circuit in the dimming control circuit.
  3. Malfunctioning dimmer switch.
  4. Wiring issues or loose connections in the dimming control circuit.
  5. Electrical system issues causing high voltage in the dimming control circuit.

Symptoms of B1694 Dodge

  1. Interior lights or instrument panel lighting staying too bright or not dimming properly.
  2. Dimming control for accessories not responding to adjustments.
  3. Flickering or erratic behavior of dimmable accessories.
  4. Dashboard warning light indicating a dimming control circuit issue.

How to Fix B1694 Dodge

  1. Begin by conducting a thorough inspection of the dimming control circuit, including the dimming control module, dimmer switch, and wiring connections.
  2. Use a multimeter to test the voltage levels in the dimming control circuit and identify any high voltage readings.
  3. Replace the faulty dimming control module or dimmer switch if they are found to be defective.
  4. Repair any short circuits or wiring issues in the dimming control circuit.
  5. Clear the DTC from the vehicle's computer system and test the dimming functionality of accessories to ensure proper operation.

Cost to Fix B1694 Dodge

The typical repair costs for addressing the B1694 Accessory Dimming Control Circuit High code can vary depending on the specific cause of the issue and the extent of repairs needed. In general, the cost of parts for replacing a faulty dimming control module or dimmer switch can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500, but it's important to note that actual costs can vary based on factors such as location, vehicle make and model, and the rates of the auto repair shop. It's recommended to obtain a detailed estimate from a qualified mechanic or repair shop to determine the precise cost for addressing the B1694 DTC in a Dodge vehicle.

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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 B1694 Dodge Code

1. What are the common symptoms of OBDII code B1694 for Dodge (Accessory Dimming Control Circuit High)?

The common symptoms include flickering or dimming interior lights, malfunctioning dashboard lights, and issues with the dimming control for accessories.

2. What are the possible causes of OBDII code B1694 in a Dodge vehicle?

Possible causes include a faulty dimming control module, wiring issues such as short circuits or open circuits, a malfunctioning dimmer switch, or a defective battery.

3. How can I diagnose the Accessory Dimming Control Circuit High issue in my Dodge?

You can use a diagnostic scanner to retrieve the trouble codes, inspect the wiring for any visible damage, test the dimming control module and dimmer switch for proper functionality, and check the battery voltage.

4. Can I drive my Dodge with the B1694 code present?

While it may be safe to drive with this code, it is recommended to have the issue diagnosed and repaired as soon as possible to avoid potential electrical problems or issues with accessory control.

5. How can I repair the Accessory Dimming Control Circuit High issue in my Dodge?

Repair options may include replacing the dimming control module, repairing any damaged wiring, testing and replacing the dimmer switch if necessary, or addressing any battery-related issues.

6. Will resetting the OBDII codes make the B1694 code disappear permanently?

Resetting the codes may temporarily clear the code, but if the underlying issue causing the B1694 code is not addressed, it is likely to reappear once the problem is detected again.

7. Can a DIY enthusiast fix the B1694 code in a Dodge, or is professional assistance necessary?

Depending on your skill level and experience with automotive electrical systems, you may be able to address the issue yourself. However, complex wiring or module replacements may require professional assistance.

8. How much does it typically cost to repair the Accessory Dimming Control Circuit High issue in a Dodge?

The cost of repair can vary depending on the specific cause of the issue, the parts needed for replacement, and whether you choose to do the repair yourself or seek professional help. It is advisable to get estimates from local mechanics or service centers.

9. Are there any preventive measures I can take to avoid the B1694 code from appearing in my Dodge?

Regularly checking the condition of the electrical system, avoiding overloading the accessory dimming control, and ensuring proper battery maintenance can help prevent the occurrence of this code.

10. Is the B1694 code specific to Dodge vehicles, or can it occur in other car makes and models?

While the code may be specific to Dodge vehicles, similar issues related to accessory dimming control circuits can occur in other car makes and models, each with their own unique diagnostic trouble codes.

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