GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Content Theft Deterrent System Check performed?

--

Go to Step 2

Go to Vehicle Theft Deterrent (VTD) System Check

2

Inspect for powertrain control module (PCM) diagnostic trouble codes (DTCs). Refer to in Engine Controls - 2.5L (LB8) and 3.0L (L46).

Is the action complete?

--

Go to Step 3

--

3

Did you perform the BCM Diagnostic System Check?

--

Go to Step 4

Go to Diagnostic System Check - Body Control System

4

  1. Perform the BCM relearn procedure. Refer to Body Control System Circuit Description 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.

Is the repair complete?

--

Go to Step 7

--

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.

Is the repair complete?

--

Go to Step 7

--

7

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

Have all the repairs been made?

--

Go to Vehicle Theft Deterrent (VTD) System Check

--