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B1B96 Lincoln Code - Seat Slide Forward Switch Signal Stuck High

Quick Answer

The diagnostic trouble code B1B96 indicates that the seat slide forward switch signal has been detected as stuck high. Common causes include Faulty Seat Control Switch, Seat Control Switch harness is open or shorted, Seat Control Switch circuit has a poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1B96 Lincoln indicates Seat Slide Forward Switch Signal Stuck High.
Common causes
Common causes include Faulty Seat Control Switch, Seat Control Switch harness is open or shorted, Seat Control Switch circuit has a poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Jan 26, 2026
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Code B1B96 Lincoln Description

The diagnostic trouble code B1B96 indicates that the seat slide forward switch signal has been detected as stuck high. This means that the Driver Front Seat Module (DSM) is receiving a continuous signal from the seat control switch indicating that the seat should be moving forward, even when it is not being actively engaged by the driver. The DSM is responsible for controlling various functions of the driver’s seat, including its position, adjustments, and memory settings. When the switch is active for more than two minutes or is engaged during the self-test, the DSM triggers this code to alert the technician of a potential malfunction.
OBDII Code B1B96 Lincoln - Seat Slide Forward Switch Signal Stuck High
B1B96 Lincoln Code - Seat Slide Forward Switch Signal Stuck High

Common Causes of B1B96 Lincoln

  1. Faulty Seat Control Switch
  2. Seat Control Switch harness is open or shorted
  3. Seat Control Switch circuit has a poor electrical connection
  4. Faulty Seat Motor preventing proper operation
  5. Faulty Driver Front Seat Module (DSM) affecting signal processing

Symptoms of B1B96 Lincoln

  1. Engine Light ON (or Service Engine Soon Warning Light)
  2. Driver seat unable to move forward or backward
  3. Seat adjustment controls unresponsive
  4. Battery drain issues due to continuous signal
  5. Possible erratic behavior of other electrical components

How to Fix B1B96 Lincoln

  1. Perform a visual inspection of the seat control switch and wiring harness for any visible damage or disconnections.
  2. Test the seat control switch for proper operation using a multimeter to check for continuity and resistance.
  3. Inspect the wiring harness for shorts, opens, or corrosion that may affect the electrical signals.
  4. If the switch and wiring are functioning correctly, test the Driver Front Seat Module (DSM) for faults using a diagnostic scanner.
  5. Replace any faulty components, including the seat control switch, wiring harness, or the DSM, as necessary to restore proper function.

Cost to Fix B1B96 Lincoln

The cost to diagnose and repair the B1B96 code typically ranges from $150 to $600, depending on the specific issue identified. Parts such as a new seat control switch or Driver Front Seat Module can range from $50 to $300, while labor costs can vary significantly based on the shop's hourly rate, which generally falls between $80 and $150 per hour. Dealerships may charge more, while independent shops might offer lower rates. The total cost will also depend on the make and model of the vehicle and the complexity of the repair needed.

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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.

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