GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Content Theft Deterrent System Inspect performed?

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Go to Step 2

Go to Content Theft Deterrent (CTD) System Check

2

Inspect for powertrain control module (PCM) diagnostic trouble codes (DTCs). Refer to Powertrain On Board Diagnostic (OBD) System Check 3.1L or Powertrain On Board Diagnostic (OBD) System Check 3.8L in Engine Controls.

Is the action complete?

--

Go to Step 3

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3

Did you perform the BCM Diagnostic System Inspect?

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Go to Step 4

Go to Diagnostic System Check - Body Control System

4

Attempt to start the engine.

If the engine does not start refer to Engine Controls for diagnostic procedures.

Is the repair complete?

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Go to Step 5

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5

The SECURITY indicator lamp lights because of a malfunction in the instrument panel cluster (IPC). Refer to Diagnostic System Check - Instrument Cluster

Is the repair complete?

--

Go to Content Theft Deterrent (CTD) System Check

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