AutoCodes – Cadillac – B2172 Cadillac

B2172 Cadillac Code - Power Seat Switch Circuit

Quick Answer

The seat adjuster switch signal circuits are supplied 12 volts through resistors within the Memory Seat Module. Common causes include Faulty Power Seat Switch, Power Seat Switch harness is open or shorted, Power Seat Switch 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: B2172 Cadillac indicates Power Seat Switch Circuit.
Common causes: Common causes include Faulty Power Seat Switch, Power Seat Switch harness is open or shorted, Power Seat Switch 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 539

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 Sep 22, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2172 Cadillac Description

The seat adjuster switch signal circuits are supplied 12 volts through resistors within the Memory Seat Module. When a seat adjuster switch is pressed the signal circuit is grounded. Closing the signal circuit to ground pulls the signal circuit voltage low indicating to the Memory Seat Module the switch status is active. The OBDII code is set when a seat adjuster switch input to the Memory Seat Module is active for more than 20 seconds.

OBDII Code B2172 Cadillac - Power Seat Switch Circuit - AutoCodes.com — B2172 Cadillac Code - Power Seat Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B2172 Cadillac?

Faulty Power Seat Switch
Power Seat Switch harness is open or shorted
Power Seat Switch circuit poor electrical connection
Faulty Memory Seat Module

How to Fix the DTC B2172 Cadillac?

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 B2172 Cadillac 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 B2172 Cadillac Code

1. What are common symptoms of OBDII code B2172 in a Cadillac related to the power seat switch circuit?

Common symptoms include non-functioning power seat controls, inability to adjust the seat position, or erratic movement of the power seat.

2. What are possible causes of OBDII code B2172 in a Cadillac indicating an issue with the power seat switch circuit?

Potential causes include a faulty power seat switch, damaged wiring or connectors in the circuit, or a malfunctioning power seat control module.

3. How can I diagnose the OBDII code B2172 in a Cadillac for the power seat switch circuit issue?

Diagnosis involves using a professional OBDII scanner to retrieve the specific fault code, inspecting the power seat switch and associated wiring for damage, and testing the power seat control module for proper functionality.

4. Can a DIY enthusiast repair OBDII code B2172 related to the power seat switch circuit in a Cadillac?

While some basic troubleshooting like checking for loose connections or blown fuses can be done by a DIYer, complex issues with the power seat switch circuit may require professional diagnosis and repair.

5. Are there any tips for repairing OBDII code B2172 in a Cadillac related to the power seat switch circuit?

Ensure all electrical connections are secure, inspect wiring harnesses for damage, and consider consulting a professional if the issue persists after basic troubleshooting.

6. Is it safe to drive a Cadillac with OBDII code B2172 indicating a problem with the power seat switch circuit?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid potential inconvenience or discomfort caused by a malfunctioning power seat.

7. How much does it typically cost to repair OBDII code B2172 in a Cadillac due to a power seat switch circuit problem?

The cost of repair can vary depending on the extent of the issue, parts needed for replacement, and labor rates. It is advisable to obtain estimates from reputable automotive shops.

8. Can a power seat malfunction unrelated to the OBDII code B2172 affect the overall performance of a Cadillac?

While the power seat issue itself may not impact the vehicle's performance, it can affect comfort and convenience for the driver or passengers. Regular maintenance is still essential.

9. How long does it usually take to repair OBDII code B2172 in a Cadillac linked to the power seat switch circuit?

The repair time can vary based on the complexity of the issue and the availability of parts. Simple fixes may take a short time, while more intricate problems could require more extensive repairs.

10. Are there any preventive measures to avoid encountering OBDII code B2172 related to the power seat switch circuit in a Cadillac?

Regularly checking and maintaining the power seat controls, avoiding putting excessive pressure on the seat switches, and addressing any issues promptly can help prevent this code from appearing.