AutoCodes – Generic – B1772

B1772 Code - Seat Driver Backward Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Seat Driver Backward Motor. Common causes include Faulty Seat Driver Backward Motor, Seat Driver Backward Motor harness is open or shorted, Seat Driver Backward 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: B1772 indicates Seat Driver Backward Circuit Short To Ground.
Common causes: Common causes include Faulty Seat Driver Backward Motor, Seat Driver Backward Motor harness is open or shorted, Seat Driver Backward 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 7,094

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 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1772 Description

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

OBDII Code B1772 - Seat Driver Backward Circuit Short To Ground - AutoCodes.com — B1772 Code - Seat Driver Backward Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1772?

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

How to Fix the DTC B1772?

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 B1772 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 B1772 code?

Need more information on how to fix the B1772 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1772 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1772 Nissan — 5th Bow Status Sensor Left

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 B1772 Code

1. What are the common symptoms of OBDII code B1772 (Seat Driver Backward Circuit Short To Ground)?

- Common symptoms include the driver seat not moving backward, erratic movement of the seat, and potential issues with other electronic components in the vehicle.

2. What can cause the OBDII code B1772 to be triggered?

- This code is typically triggered by a short circuit between the driver seat backward circuit and ground, often caused by damaged wiring or a faulty seat adjustment motor.

3. How can I diagnose the cause of OBDII code B1772?

- A thorough visual inspection of the wiring harness under the driver seat, checking for any visible damage or signs of a short circuit, is a good starting point. Using a multimeter to test for continuity and resistance can also help pinpoint the issue.

4. Is it safe to drive with OBDII code B1772 present?

- It is generally not recommended to drive with this code present, as it may affect the functionality of the driver seat and potentially lead to further electrical issues in the vehicle.

5. What are some repair tips for fixing OBDII code B1772?

- Repairing the damaged wiring, replacing the seat adjustment motor if necessary, and clearing the code with an OBDII scanner are common repair steps for resolving this issue.

6. Can OBDII code B1772 be intermittent?

- Yes, this code can sometimes be intermittent, especially if the short circuit is caused by a loose connection or a wiring issue that only occurs under certain conditions.

7. Will disconnecting the battery reset OBDII code B1772?

- Disconnecting the battery may temporarily clear the code, but it is important to address the underlying issue causing the fault code to prevent it from reoccurring.

8. Can a DIY enthusiast fix OBDII code B1772 at home?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to fix this issue at home by following repair guides and using basic electrical troubleshooting techniques.

9. How much does it typically cost to repair OBDII code B1772 at a mechanic or dealership?

- The cost of repairing this code can vary depending on the extent of the damage, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Are there any preventive measures to avoid OBDII code B1772 in the future?

- Regularly inspecting the wiring harness under the driver seat for signs of wear or damage, avoiding overloading the seat adjustment system, and addressing any issues promptly can help prevent this code from recurring.