GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Content Theft Deterrent System Check?

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Go to Step 2

Go to Content Theft Deterrent (CTD) System Check

2

Test for powertrain control module (PCM) diagnostic trouble codes (DTCs). Refer to Powertrain On Board Diagnostic (OBD) System Check (VIN M) or Powertrain On Board Diagnostic (OBD) System Check (VIN 1,K) in Engine Controls.

Is the action complete?

--

Go to Step 3

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3

Did you perform the BCM Diagnostic System Check?

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Go to Step 4

Go to Diagnostic System Check - Body Control System

4

The SECURITY indicator lamp does not operate correctly because of a malfunction in the instrument panel cluster (IPC). Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Content Theft Deterrent (CTD) System Check

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