AutoCodes – Cadillac – B2356 Cadillac

B2356 Cadillac Code - Seat Front Vertical Position Sensor Circuit Range/Performance

Quick Answer

The sensor that sets this Diagnostic Trouble Code (DTC) is attached to the seat directional motor it monitors. Common causes include Faulty Seat Front Vertical Position Sensor, Seat Front Vertical Position Sensor harness is open or shorted, Seat Front Vertical Position Sensor 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
B2356 Cadillac indicates Seat Front Vertical Position Sensor Circuit Range/Performance.
Common causes
Common causes include Faulty Seat Front Vertical Position Sensor, Seat Front Vertical Position Sensor harness is open or shorted, Seat Front Vertical Position Sensor 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 1,725
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 13, 2019
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Code B2356 Cadillac Description

The sensor that sets this Diagnostic Trouble Code (DTC) is attached to the seat directional motor it monitors. It receives a 5-volt reference and low reference from the Memory Seat Module (MSM)/Driver Position Module (DPM). The sensor sends a voltage signal that varies with the movement of the seat through the sensor signal circuit to the MSM/DPM. Then based on this voltage signal, the MSM/DPM determines the position of the seat.
OBDII Code B2356 Cadillac - Seat Front Vertical Position Sensor Circuit Range/Performance - AutoCodes.com
B2356 Cadillac Code - Seat Front Vertical Position Sensor Circuit Range/Performance

What are the Possible Causes of the DTC B2356 Cadillac?

  • Faulty Seat Front Vertical Position Sensor
  • Seat Front Vertical Position Sensor harness is open or shorted
  • Seat Front Vertical Position Sensor circuit poor electrical connection
  • Faulty Memory Seat Module (MSM)/Driver Position Module (DPM)

How to Fix the DTC B2356 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 B2356 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.

Need more information about the B2356 Cadillac code?

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Need Help with the Code?

Get the B2356 Cadillac 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 B2356 Cadillac Code

1. What are the common symptoms of OBDII code B2356 in a Cadillac related to the Seat Front Vertical Position Sensor Circuit?

The common symptoms include erratic seat movement, inability to adjust the seat vertically, and warning lights on the dashboard.

2. What are the possible causes of OBDII code B2356 in a Cadillac?

The code B2356 in a Cadillac is typically caused by a faulty front vertical position sensor, wiring issues, or a malfunction in the seat control module.

3. How can I diagnose the Seat Front Vertical Position Sensor Circuit issue in my Cadillac?

To diagnose the problem, you can use an OBDII scanner to retrieve the specific fault code, visually inspect the wiring and connectors for any visible damage, and perform a sensor resistance test.

4. Can I still drive my Cadillac with the B2356 code present?

It is not recommended to drive your Cadillac with the B2356 code present, as it may affect the proper operation of the seat adjustment system and compromise safety.

5. How can I repair the Seat Front Vertical Position Sensor Circuit issue in my Cadillac?

The repair process may involve replacing the faulty front vertical position sensor, repairing any damaged wiring or connectors, or reprogramming the seat control module.

6. Are there any DIY tips for fixing the OBDII code B2356 in a Cadillac?

DIY enthusiasts can attempt to visually inspect the sensor and wiring themselves, but for accurate diagnosis and repair, it is advisable to seek professional help.

7. How much does it cost to repair the Seat Front Vertical Position Sensor Circuit issue in a Cadillac?

The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced, but it typically ranges from $200 to $500 at a dealership or repair shop.

8. Is the Seat Front Vertical Position Sensor Circuit issue covered under warranty for Cadillac vehicles?

Depending on the age and mileage of your Cadillac, the repair for the Seat Front Vertical Position Sensor Circuit issue may be covered under the manufacturer's warranty. It is advisable to check with your dealership for more information.

9. Can a faulty front vertical position sensor cause other problems in my Cadillac?

Yes, a faulty front vertical position sensor can cause other issues such as incorrect seat positioning, discomfort while driving, and potential safety hazards in the event of a collision.

10. How can I prevent the Seat Front Vertical Position Sensor Circuit issue from reoccurring in my Cadillac?

Regular maintenance checks, avoiding excessive force when adjusting the seat, and addressing any warning signs promptly can help prevent the recurrence of the Seat Front Vertical Position Sensor Circuit issue in your Cadillac.

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