AutoCodes – Ford – B1691 Ford

B1691 Ford Code - Autolamp Delay Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Autolamp Delay Circuit. Common causes include Faulty Autolamp Delay 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: B1691 Ford indicates Autolamp Delay Circuit Short To Battery.
Common causes: Common causes include Faulty Autolamp Delay 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,214

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 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1691 Ford Description

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

OBDII Code B1691 Ford - Autolamp Delay Circuit Short To Battery - AutoCodes.com — B1691 Ford Code - Autolamp Delay Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1691 Ford?

Faulty Autolamp Delay Circuit
Faulty Body Control Module (BCM)

How to Fix the DTC B1691 Ford?

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 B1691 Ford 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.

Need more information about the B1691 Ford code?

Need more information on how to fix the B1691 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1691 Ford code diagnosed by a professional: Find a repair shop in your area

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 B1691 Ford Code

1. What are the common symptoms of OBDII code B1691 for Autolamp Delay Circuit Short To Battery in a Ford vehicle?

- Common symptoms include the autolamp delay feature not working properly, the interior lights staying on, and potential drainage of the vehicle's battery.

2. What causes the Autolamp Delay Circuit Short To Battery code B1691 in a Ford vehicle?

- The code B1691 is typically triggered by a short circuit in the autolamp delay circuit, often caused by damaged wiring, faulty connectors, or a malfunctioning autolamp control module.

3. How can I diagnose the Autolamp Delay Circuit Short To Battery issue in my Ford vehicle?

- To diagnose the issue, you can use an OBDII scanner to retrieve the specific fault code B1691. Additionally, inspecting the wiring harness, connectors, and autolamp control module for any visible damage can help pinpoint the cause.

4. Is it safe to continue driving with OBDII code B1691 related to the Autolamp Delay Circuit Short To Battery in a Ford vehicle?

- While the vehicle may still operate normally, it is not recommended to ignore the issue, as it can affect the proper functioning of the autolamp delay feature and potentially drain the vehicle's battery.

5. How can I repair OBDII code B1691 for Autolamp Delay Circuit Short To Battery in my Ford vehicle?

- Repairing the issue involves locating and repairing the short circuit in the autolamp delay circuit. This may require repairing or replacing damaged wiring, connectors, or the autolamp control module.

6. Can a DIY enthusiast fix the Autolamp Delay Circuit Short To Battery issue causing OBDII code B1691 in a Ford vehicle?

- Depending on your experience and knowledge of automotive electrical systems, you may attempt to diagnose and repair the issue yourself. However, it is recommended to consult a professional if you are not confident in your abilities.

7. Will resetting the OBDII code B1691 related to the Autolamp Delay Circuit Short To Battery in my Ford vehicle make the problem go away?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the Autolamp Delay Circuit Short To Battery fault. It is important to diagnose and repair the problem to prevent further issues.

8. How long does it typically take to repair the Autolamp Delay Circuit Short To Battery issue causing OBDII code B1691 in a Ford vehicle?

- The repair time can vary depending on the extent of the damage and the accessibility of the components. It may take anywhere from an hour to a few hours to diagnose and repair the issue.

9. Can extreme weather conditions contribute to triggering OBDII code B1691 for Autolamp Delay Circuit Short To Battery in a Ford vehicle?

- Extreme weather conditions, such as excessive heat or moisture, can potentially exacerbate existing wiring issues and lead to a short circuit in the autolamp delay circuit, triggering code B1691.

10. Is it necessary to visit a dealership for repair if OBDII code B1691 related to the Autolamp Delay Circuit Short To Battery appears in my Ford vehicle?

- While you can visit a dealership for repair, you can also seek assistance from an independent mechanic or automotive repair shop with experience in diagnosing and repairing electrical issues in Ford vehicles.