GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Park Avenue 🢒 Brakes 🢒 Antilock Brake System 🢒 Variable Effort Steering Programming

The variable power steering system has 3 response modes. Use a scan tool and the following table in order to select the variable power steering response mode per customer request.

Step

Action

Scan Tool Display

1
  1. Connect a scan tool to the data link connector (DLC).
  2. Input the vehicle information and select Chassis.
    • Delco Bosch ABS/TCS
    • Magna Steer

2

Select Magna Steer.
    • Diagnostics
    • Recalibration

3

Select Recalibration.
    • Magna Steer Recalibration Procedure - Ensure that the ignition is ON and the engine is OFF.
    • Press ENTER to Start.

4

Press ENTER.

Is the VIN correct?

5

Select YES.

Does the vehicle have Magna Steer RPO # <NV8> ?

6

Select YES.

Is the vehicle equipped with the Gran Touring Package RPO # <Y56> ?

7

Select YES.

Recal with the FACTORY STANDARD calibration

8

Select NO.

Select the calibration:

    • More firm
    • Factory calibration
    • Less firm

9

Select the desired response mode.
    • Magna Steer Recalibration Procedure is complete.
    • Press EXIT in order to return to the menu.

10

Exit the scan tool.

Reprogramming is complete.