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

  1. Perform the BCM relearn procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.
  2. Attempt to start the engine.

Does the engine crank and start?

--

Go to Step 5

Go to Step 6

5

The SECURITY indicator lamp is inoperative due to a malfunction in the instrument panel cluster (IPC). Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console.

Has the repair been made?

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Go to Step 7

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6

  1. Replace the BCM. Refer to Body Control Module Replacement in Body Control System.
  2. Perform the set up new BCM procedure. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Has the repair been made?

--

Go to Step 7

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7

  1. Turn the ignition switch to the LOCK position.
  2. Reinstall the components that you removed.
  3. Reconnect the connectors.

Have all the repairs been made?

--

Go to Content Theft Deterrent (CTD) System Check

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