AutoCodes – Cadillac – B1745 Cadillac

B1745 Cadillac Code - Driver Seat Rear Up Switch Circuit

Quick Answer

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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: B1745 Cadillac indicates Driver Seat Rear Up Switch Circuit.
Common causes: Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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 749

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 24, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1745 Cadillac Description

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. When the power seat or lumbar switches are pressed, the appropriate signal circuit from the Seat Memory Control Module is pulled low through the switch contacts indicating the power seat command. The Seat Memory Control Module then commands the driver seat or lumbar to move in response to the switch signals. The Diagnostic Trouble Code (DTC) will be set when there is a short to ground on a switch signal circuit.

OBDII Code B1745 Cadillac - Driver Seat Rear Up Switch Circuit - AutoCodes.com — B1745 Cadillac Code - Driver Seat Rear Up Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B1745 Cadillac?

Faulty Driver Seat Adjuster Switch
Driver Seat Adjuster Switch harness is open or shorted
Driver Seat Adjuster Switch circuit poor electrical connection
Faulty Seat Memory Control Module

How to Fix the DTC B1745 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 B1745 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 B1745 Cadillac Code

1. What are the common symptoms of OBDII code B1745 in a Cadillac related to the Driver Seat Rear Up Switch Circuit?

- The common symptoms include the rear seat not moving up or down when using the switch, or the seat moving in the wrong direction.

2. What are the possible causes of OBDII code B1745 in a Cadillac?

- The code B1745 can be triggered by issues such as a faulty seat switch, damaged wiring or connectors, or a malfunctioning seat control module.

3. How can I diagnose the Driver Seat Rear Up Switch Circuit issue in my Cadillac?

- To diagnose the problem, you can start by checking the wiring and connectors for any visible damage, testing the seat switch for continuity, and using a diagnostic scanner to read the fault codes.

4. Can I repair the Driver Seat Rear Up Switch Circuit issue in my Cadillac myself?

- Depending on your level of expertise, you may be able to repair the issue yourself by replacing the faulty seat switch, repairing damaged wiring, or resetting the seat control module.

5. Is it safe to continue driving my Cadillac with OBDII code B1745 related to the Driver Seat Rear Up Switch Circuit?

- It is generally safe to continue driving your Cadillac with this code, but it is recommended to address the issue promptly to avoid any inconvenience or discomfort caused by a malfunctioning seat.

6. How much does it typically cost to repair OBDII code B1745 in a Cadillac?

- The cost of repairing OBDII code B1745 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Can a faulty seat control module cause OBDII code B1745 in a Cadillac?

- Yes, a malfunctioning seat control module can be a possible cause of OBDII code B1745 related to the Driver Seat Rear Up Switch Circuit in a Cadillac.

8. Will resetting the error codes using a diagnostic scanner fix OBDII code B1745 in a Cadillac?

- Resetting the error codes may temporarily clear the code, but if the underlying issue such as a faulty switch or wiring is not addressed, the code is likely to reappear.

9. How important is it to fix OBDII code B1745 in a Cadillac promptly?

- While the issue may not directly affect the drivability of the vehicle, it is important to address OBDII code B1745 promptly to ensure the proper functioning of the driver seat and avoid potential discomfort or inconvenience.

10. Can extreme temperatures or moisture affect the Driver Seat Rear Up Switch Circuit in a Cadillac?

- Yes, extreme temperatures or moisture can potentially cause issues with the Driver Seat Rear Up Switch Circuit in a Cadillac by damaging the electrical components or causing corrosion in the wiring connections.