GM Service Manual Online
For 1990-2009 cars only

Step

Action

Values

Yes

No

1

Check the vehicle speed signal circuit of control module for and open or short to voltage.

Did you find and correct the condition?

--

System OK

Go to Step 2

2

Disconnect the SSPS solenoid actuator at the power steering gear.

Is the symptom still present?

--

Go to Diagnostic Starting Point - Power Steering System

Go to Step 3

3

Replace the SSPS control module.

Is repair complete?

--

System OK

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