GM Service Manual Online
For 1990-2009 cars only

Circuit Description

The System OK code is used to identify that the self test has found no faults with the automatic level control system.

Conditions for Running the DTC

Ignition On.

Conditions for Setting the DTC

No DTCs are set after self test has been completed.

Action Taken When the DTC Sets

Automatic level control system functions normally.

Conditions for Clearing the DTC

The conditions that caused the DTC to set have been removed.

Step

Action

Yes

No

Schematic Reference: Automatic Level Control Schematics

1

Did you perform the Automatic Level Control Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Automatic Level Control

2

Automatic Level Control system functioning normal.

Is this code present after self test?

System OK

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