AutoCodes – Mercury – B1693 Mercury

B1693 Mercury Code - Autolamp On Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Autolamp On Circuit. Common causes include Faulty Autolamp On Circuit, Faulty Body Control Module (BCM). 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: B1693 Mercury indicates Autolamp On Circuit Failure.
Common causes: Common causes include Faulty Autolamp On Circuit, Faulty Body Control Module (BCM).
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 744

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 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1693 Mercury Description

The Body Control Module (BCM) monitors the Autolamp On Circuit. The BCM sets the OBDII code when the Autolamp On Circuit is not to factory specifications.

OBDII Code B1693 Mercury - Autolamp On Circuit Failure - AutoCodes.com — B1693 Mercury Code - Autolamp On Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1693 Mercury?

Faulty Autolamp On Circuit
Faulty Body Control Module (BCM)

How to Fix the DTC B1693 Mercury?

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 B1693 Mercury 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 B1693 Mercury Code

1. What are the common symptoms of OBDII code B1693 Autolamp On Circuit Failure in a Mercury vehicle?

The common symptoms include the autolamp (automatic headlights) not working properly, flickering lights, or the lights staying on or off unexpectedly.

2. What are the possible causes of OBDII code B1693 Autolamp On Circuit Failure in a Mercury vehicle?

Possible causes include a faulty autolamp sensor, wiring issues, a defective light control module, or a malfunctioning headlight switch.

3. How can I diagnose OBDII code B1693 Autolamp On Circuit Failure in my Mercury vehicle?

You can diagnose this code by performing a visual inspection of the autolamp system components, checking the wiring for any damage, and using a diagnostic scanner to retrieve trouble codes.

4. Can I still drive my Mercury vehicle with OBDII code B1693 Autolamp On Circuit Failure?

It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure proper functioning of the autolamp system.

5. How can I repair OBDII code B1693 Autolamp On Circuit Failure in my Mercury vehicle?

Repair options include replacing the autolamp sensor, repairing or replacing damaged wiring, replacing the light control module, or fixing the headlight switch as needed.

6. Will resetting the OBDII code B1693 Autolamp On Circuit Failure make the issue go away?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the Autolamp On Circuit Failure.

7. How much does it cost to repair OBDII code B1693 Autolamp On Circuit Failure in a Mercury vehicle?

The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can a DIY enthusiast fix OBDII code B1693 Autolamp On Circuit Failure in a Mercury vehicle?

Some repairs related to this code can be done by DIY enthusiasts with the proper tools and knowledge, but more complex issues may require professional help.

9. Are there any recalls related to OBDII code B1693 Autolamp On Circuit Failure in Mercury vehicles?

Recalls related to this specific code may vary by model year and region, so it is recommended to check with a Mercury dealership or the National Highway Traffic Safety Administration (NHTSA) for any relevant information.

10. How can I prevent OBDII code B1693 Autolamp On Circuit Failure in my Mercury vehicle?

Regularly inspecting and maintaining the autolamp system, addressing any electrical issues promptly, and following the manufacturer's recommended service schedule can help prevent this code from occurring.