AutoCodes – Generic – B1655

B1655 Code - Seat Driver Rear Up Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Rear Up Motor. Common causes include Faulty Seat Driver Rear Up Motor, Seat Driver Rear Up Motor harness is open or shorted, Seat Driver Rear Up 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: B1655 indicates Seat Driver Rear Up Circuit Failure.
Common causes: Common causes include Faulty Seat Driver Rear Up Motor, Seat Driver Rear Up Motor harness is open or shorted, Seat Driver Rear Up 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 12,897

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 B1655 Description

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

OBDII Code B1655 - Seat Driver Rear Up Circuit Failure - AutoCodes.com — B1655 Code - Seat Driver Rear Up Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1655?

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

How to Fix the DTC B1655?

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 B1655 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 B1655 code?

Need more information on how to fix the B1655 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1655 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1655 Lexus — Driver Side Seat Belt Buckle Switch Circuit Malfunction
B1655 Scion — Driver Side Seat Belt Buckle Switch Circuit Malfunction
B1655 Toyota — Driver Side Seat Belt Buckle Switch Circuit Malfunction

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 B1655 Code

1. What are the common symptoms of OBDII code B1655 (Seat Driver Rear Up Circuit Failure)?

The common symptoms include the driver's rear seat not moving up or down properly, a non-functional seat adjustment control, or an illuminated seat adjustment warning light on the dashboard.

2. What are the possible causes of OBDII code B1655?

The code B1655 can be triggered by issues such as a faulty seat motor, damaged wiring or connectors in the seat adjustment circuit, or a malfunctioning seat control module.

3. How serious is OBDII code B1655 (Seat Driver Rear Up Circuit Failure)?

While this code usually doesn't affect the overall drivability of the vehicle, it can lead to inconvenience and discomfort for the driver if the seat cannot be adjusted properly.

4. How can I diagnose the cause of OBDII code B1655?

Diagnosing the issue involves inspecting the seat motor, checking the wiring and connectors for any damage, and using a diagnostic tool to scan the seat control module for faults.

5. Can I still drive my vehicle with OBDII code B1655 present?

Yes, you can still drive your vehicle with this code, but it's recommended to address the issue promptly to ensure proper functionality of the driver's rear seat adjustment.

6. Is it safe to attempt a DIY repair for OBDII code B1655?

If you have experience working with automotive electrical systems, you may attempt a DIY repair by checking the seat motor, inspecting the wiring, and resetting the seat control module. Otherwise, it's best to consult a professional.

7. How much does it typically cost to repair OBDII code B1655?

The cost of repair can vary depending on the underlying cause of the issue. It may involve replacing the seat motor, repairing damaged wiring, or reprogramming the seat control module, which can range from a few hundred to a thousand dollars.

8. Can OBDII code B1655 be intermittent?

Yes, the code B1655 can sometimes be intermittent, especially if the issue is related to loose wiring connections or sporadic faults in the seat control module.

9. Will resetting the OBDII code B1655 make it go away permanently?

Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear once the fault is detected again during system checks.

10. How long does it take to repair OBDII code B1655?

The repair time can vary depending on the exact cause of the issue and the complexity of the repair. It may take anywhere from an hour for minor fixes to several hours for more involved repairs.