AutoCodesCadillac – B2117 Cadillac

B2117 Cadillac Code - Power Seat Position Sensor Voltage

Quick Answer

The Power Seat Position Sensor that sets this Diagnostic Trouble Code (DTC) is either attached to the seat directional motor drive cable or directly to the motor it monitors. Common causes include Faulty Power Seat Position Sensor, Power Seat Position Sensor harness is open or shorted, Power Seat 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
B2117 Cadillac indicates Power Seat Position Sensor Voltage.
Common causes
Common causes include Faulty Power Seat Position Sensor, Power Seat Position Sensor harness is open or shorted, Power Seat 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 738
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 17, 2019
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Code B2117 Cadillac Description

The Power Seat Position Sensor that sets this Diagnostic Trouble Code (DTC) is either attached to the seat directional motor drive cable or directly to the motor it monitors. It receives a 5 V reference and ground from the Memory Seat Module (MSM). The sensor sends a voltage signal that varies with the movement of the seat through the signal circuit to the MSM. Then based on this voltage signal, the MSM determines the position of the seat. If the MSM sees the analog input from this sensor as either lower than 0.25 V or higher than 4.75 V, the sensor will be considered out of range and the MSM will set this DTC.
OBDII Code B2117 Cadillac - Power Seat Position Sensor Voltage - AutoCodes.com
B2117 Cadillac Code - Power Seat Position Sensor Voltage

What are the Possible Causes of the DTC B2117 Cadillac?

  • Faulty Power Seat Position Sensor
  • Power Seat Position Sensor harness is open or shorted
  • Power Seat Position Sensor circuit poor electrical connection
  • Faulty Memory Seat Module (MSM)

How to Fix the DTC B2117 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 B2117 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 B2117 Cadillac Code

1. What does the OBDII code B2117 mean on a Cadillac?

B2117 indicates an issue with the power seat position sensor voltage, which may be out of the expected range or malfunctioning.

2. What are the common symptoms of code B2117 in a Cadillac?

Symptoms may include an inoperative power seat, limited seat adjustment functionality, or incorrect seat memory settings.

3. What causes the B2117 code to appear?

Common causes include a faulty power seat position sensor, damaged wiring or connectors, or an issue with the seat control module.

4. Can a blown fuse cause the B2117 code?

Yes, a blown fuse related to the power seat system can potentially cause voltage issues, triggering the code.

5. How can I diagnose the B2117 code on my Cadillac?

Check the seat position sensor and its wiring for damage, test the sensor voltage with a multimeter, and inspect the seat control module for faults.

6. Is the B2117 code serious?

While it doesn’t affect drivability, it can be inconvenient as it may limit seat adjustments or memory functions, especially for drivers who frequently change settings.

7. What repairs can fix the B2117 code?

Repairs may include replacing the power seat position sensor, repairing or replacing damaged wiring, or reprogramming or replacing the seat control module.

8. Can I clear the B2117 code without fixing the issue?

Clearing the code without addressing the root cause will likely result in the code returning as the underlying issue persists.

9. How much does it cost to repair the B2117 code on a Cadillac?

Costs vary depending on the repair, but replacing a seat position sensor typically costs $150–$300, including parts and labor.

10. Can I drive my Cadillac with the B2117 code active?

Yes, you can drive the vehicle, but you may experience limited or non-functional seat adjustments, which could affect comfort or safety.

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