B1D91 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1D91 – Steering Column Tilt Position Sensor Circuit Low

 

B1D91 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1D91 Possible Causes

 

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)

 

B1D91 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.