AutoCodes – Generic – B1649

B1649 Code - Seat Driver Recline Forward Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Recline Forward Motor. Common causes include Faulty Seat Driver Recline Forward Motor, Seat Driver Recline Forward Motor harness is open or shorted, Seat Driver Recline Forward Motor 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: B1649 indicates Seat Driver Recline Forward Circuit Short To Battery.
Common causes: Common causes include Faulty Seat Driver Recline Forward Motor, Seat Driver Recline Forward Motor harness is open or shorted, Seat Driver Recline Forward Motor 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.

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Code Popularity 6,362

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 May 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1649 Description

The Body Control Module (BCM) monitors the Seat Driver Recline Forward Motor. The BCM sets the OBDII code when the Seat Driver Recline Forward Motor is not to factory specifications.

OBDII Code B1649 - Seat Driver Recline Forward Circuit Short To Battery - AutoCodes.com — B1649 Code - Seat Driver Recline Forward Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1649?

Faulty Seat Driver Recline Forward Motor
Seat Driver Recline Forward Motor harness is open or shorted
Seat Driver Recline Forward Motor circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1649?

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 B1649 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 B1649 code?

Need more information on how to fix the B1649 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1649 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 B1649 Code

1. What are common symptoms of OBDII code B1649 (Seat Driver Recline Forward Circuit Short To Battery)?

- Common symptoms include the driver's seat recline function not working, the seat moving uncontrollably, or a warning light on the dashboard.

2. What can cause OBDII code B1649 to be triggered?

- This code is typically triggered by a short circuit in the wiring of the driver's seat recline forward circuit that leads to the battery.

3. How can I diagnose the issue related to OBDII code B1649?

- You can use a diagnostic scanner to retrieve the trouble code and inspect the wiring harness and connectors associated with the driver's seat recline forward circuit.

4. What are the possible repair options for OBDII code B1649?

- Repair options may include repairing or replacing damaged wiring, fixing faulty connectors, or replacing the recline forward motor in the driver's seat.

5. Is it safe to continue driving with OBDII code B1649 present?

- It is not recommended to continue driving with this code active, as it can affect the functionality of the driver's seat and potentially lead to safety hazards.

6. Can OBDII code B1649 be intermittent?

- Yes, this code can sometimes be intermittent, especially if the short circuit in the wiring connection is not constant.

7. How much does it typically cost to repair OBDII code B1649?

- The cost of repair can vary depending on the extent of the damage and the specific components that need to be fixed or replaced. It is recommended to consult a professional for an accurate estimate.

8. Can I fix OBDII code B1649 myself, or do I need a mechanic?

- While some DIY enthusiasts may attempt to diagnose and repair this issue, it is recommended to seek the assistance of a qualified mechanic or technician for proper diagnosis and repair.

9. Will resetting the OBDII system clear the B1649 trouble code?

- Resetting the OBDII system may temporarily clear the code, but it is likely to return if the underlying issue causing the short circuit is not addressed.

10. Are there any preventive measures to avoid OBDII code B1649 in the future?

- Regularly inspecting the wiring harness and connectors related to the driver's seat recline function, and addressing any signs of wear or damage promptly, can help prevent the recurrence of this trouble code.