GM Service Manual Online
For 1990-2009 cars only

Circuit Description

The steering column module provides a 5-volt reference voltage to the tilt position sensor circuit and to the telescope position sensor circuit. The steering column module monitors the 5-volt reference voltage and sets DTC B1396, if the voltage is out of range.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B1396 Device Voltage Reference Output Circuit Range/Performance

Conditions for Running the DTC

The steering column module is ON.

Conditions for Setting the DTC

DTC B1396 will set as current when the voltage is out of the range of 4.6-5.2 volts for 1.2 seconds.

Action Taken When the DTC Sets

Memory recall functions for the steering column module will be disabled.

Conditions for Clearing the DTC

    • DTC B1396 will no longer have a current status when the voltage is within the range of 4.6-5.2 volts for 1.2 seconds.
    • A scan tool can clear the DTC.

Diagnostic Aids

A short to ground in any of the tilt or telescope position sensor circuits may damage the tilt/telescoping module.

Step

Action

Yes

No

Schematic Reference: Tilt/Telescoping Steering Column Schematics

Connector End View Reference: Steering Wheel and Column Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

Test the tilt and telescope position sensor circuits for a short to ground.

Did you find and correct the condition?

Go to Step 3

Go to Step 3

3

Important: Perform the programming procedure for the steering column module.

Replace the tilt/telescoping steering column module. Refer to Steering Column Control Module Replacement and Steering Column Control Module Programming .

Did you complete the replacement?

Go to Step 4

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4

  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC, as specified in the supporting text.

Does DTC B1396 reset?

Go to Step 2

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