AutoCodes – RAM – B1D91 RAM

B1D91 RAM Code - Steering Column Tilt Position Sensor Circuit Low

Quick Answer

The tilt, telescoping and electronic telescoping column has been designed to be serviced as an assembly; less wiring, switches, shrouds, steering wheel, etc. Common causes include Faulty Steering Column Tilt Position Sensor, Steering Column Tilt Position Sensor harness is open or shorted, Steering Column Tilt 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
B1D91 RAM indicates Steering Column Tilt Position Sensor Circuit Low.
Common causes
Common causes include Faulty Steering Column Tilt Position Sensor, Steering Column Tilt Position Sensor harness is open or shorted, Steering Column Tilt 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 547
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 02, 2019
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Code B1D91 RAM Description

The tilt, telescoping and electronic telescoping column has been designed to be serviced as an assembly; less wiring, switches, shrouds, steering wheel, etc. Most steering column components can be serviced without removing the steering column from the vehicle. The Memory Seat Module (MSM) input signal from the Steering Column Telescope Sensor is recognized in a specified voltage area. The input channel is an analog to digital converter input and the sensor is a hall sensor. The hall supply voltage is switched on when the motor becomes activated. The Diagnostic Trouble Code (DTC) is set if the sensed input is less than 1.7 volts (at the controller input, not at the module input) for more than 14 mS.
OBDII Code B1D91 RAM - Steering Column Tilt Position Sensor Circuit Low - AutoCodes.com
B1D91 RAM Code - Steering Column Tilt Position Sensor Circuit Low

What are the Possible Causes of the DTC B1D91 RAM?

  • Faulty Steering Column Tilt Position Sensor
  • Steering Column Tilt Position Sensor harness is open or shorted
  • Steering Column Tilt Position Sensor circuit poor electrical connection
  • Faulty Steering Column Tilt Motor
  • Faulty Memory Seat Module (MSM)

How to Fix the DTC B1D91 RAM?

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 B1D91 RAM 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 B1D91 RAM Code

1. What does the OBDII code B1D91 mean?

B1D91 indicates a low voltage issue in the steering column tilt position sensor circuit, which monitors the tilt position of the steering column.

2. What are the common symptoms of code B1D91?

Symptoms may include a non-functional steering column tilt adjustment, improper memory seat or steering position recall, or a stored warning light on the dashboard.

3. What causes the B1D91 code to appear?

Potential causes include a faulty steering column tilt position sensor, damaged wiring or connectors, a short circuit, or issues with the control module.

4. Can I still drive with the B1D91 code active?

Yes, you can generally drive, but the steering column tilt adjustment may not work, which could affect driving comfort and ergonomics.

5. How is the B1D91 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the steering column wiring and connectors, and test the tilt position sensor for proper operation.

6. How can I fix the B1D91 code?

Repairs may involve replacing the tilt position sensor, repairing damaged wiring, reconnecting loose connectors, or reprogramming the control module.

7. What tools are needed to repair the B1D91 code?

Common tools include a diagnostic scan tool, a multimeter for testing circuits, and possibly a replacement tilt position sensor.

8. Can a dead battery trigger the B1D91 code?

A weak or dead battery may cause voltage-related issues that can potentially trigger this code, but it is not a primary cause.

9. How much does it cost to repair the B1D91 code?

Repair costs vary but may range from $100 to $300 for parts and labor, depending on whether the sensor or wiring needs replacement.

10. Can I clear the B1D91 code without fixing the problem?

Clearing the code without addressing the root cause may temporarily remove the error, but it is likely to return if the underlying issue persists.

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