AutoCodes – Cadillac – B2355 Cadillac

B2355 Cadillac Code - Driver Seat Front Vertical Position Sensor Circuit

Quick Answer

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. Common causes include Faulty Driver Seat Front Vertical Motor, Driver Seat Front Vertical Motor harness is open or shorted, Driver Seat Front Vertical 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: B2355 Cadillac indicates Driver Seat Front Vertical Position Sensor Circuit.
Common causes: Common causes include Faulty Driver Seat Front Vertical Motor, Driver Seat Front Vertical Motor harness is open or shorted, Driver Seat Front Vertical 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 1,587

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 Apr 17, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B2355 Cadillac Description

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. The module supplies each sensor with a 12 V reference circuit only when any seat motor is active, and a low side signal circuit. During seat motor operation, the hall effect position sensor provides a determined number of pulse signals for every revolution of the motor shaft. The scan tool displays these pulse signals as counts that range from 0–65,535. The module counts the feedback pulses from each sensor to determine seat position and end-of-travel limits for each of the seat motors. High scan tool count values indicate forward or upward seat positions while low count values indicate rearward or downward seat positions. The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Driver Seat Front Vertical Position Sensor Circuit.

OBDII Code B2355 Cadillac - Driver Seat Front Vertical Position Sensor Circuit - AutoCodes.com — B2355 Cadillac Code - Driver Seat Front Vertical Position Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC B2355 Cadillac?

Faulty Driver Seat Front Vertical Motor
Driver Seat Front Vertical Motor harness is open or shorted
Driver Seat Front Vertical Motor circuit poor electrical connection
Faulty Driver Seat Memory Control Module

How to Fix the DTC B2355 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 does this mean?

Code Tech Notes

B1855:01 Driver Seat Front Vertical Position Sensor Circuit Short to Battery
B1855:02 Driver Seat Front Vertical Position Sensor Circuit Short to Ground
B1855:06 Driver Seat Front Vertical Position Sensor Circuit Low Voltage/Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2355 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 B2355 Cadillac Code

1. What are the common symptoms of OBDII code B2355 in a Cadillac related to the Driver Seat Front Vertical Position Sensor Circuit?

- The common symptoms include erratic or incorrect driver seat adjustments, failure of the seat to move vertically, and warning lights on the dashboard.

2. What are some possible causes of the B2355 OBDII code in a Cadillac?

- The code B2355 in a Cadillac may be triggered by a faulty driver seat front vertical position sensor, damaged wiring or connectors in the circuit, or a malfunction in the seat control module.

3. How can I diagnose the B2355 code related to the Driver Seat Front Vertical Position Sensor Circuit in my Cadillac?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors for damage, testing the sensor for proper function, and checking the seat control module if needed.

4. What are some repair tips for resolving the B2355 code in a Cadillac?

- Repair tips may include repairing or replacing damaged wiring or connectors, replacing the driver seat front vertical position sensor, or reprogramming the seat control module.

5. Can I drive my Cadillac with the B2355 code related to the Driver Seat Front Vertical Position Sensor Circuit?

- It is generally not recommended to drive the vehicle with the B2355 code present, as it may affect the proper functioning of the driver seat and compromise safety.

6. How much does it typically cost to repair the B2355 OBDII code in a Cadillac?

- The cost of repair can vary depending on the specific issue, but it may involve parts replacement, labor costs, and potential diagnostic fees.

7. Is the B2355 OBDII code a common issue in Cadillac vehicles?

- The B2355 code related to the Driver Seat Front Vertical Position Sensor Circuit is not uncommon in Cadillac vehicles, especially in models with power-adjustable seats.

8. Can I reset the B2355 OBDII code in my Cadillac without fixing the underlying issue?

- While clearing the code with an OBDII scanner may temporarily turn off the warning light, it is important to address the root cause to prevent further issues.

9. Will fixing the B2355 code affect other functions of my Cadillac's driver seat?

- Fixing the B2355 code should restore proper operation of the driver seat's front vertical position adjustment without impacting other functions, as long as the repair is done correctly.

10. How long does it typically take to repair the B2355 OBDII code in a Cadillac?

- The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and fix the problem effectively.