GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Theft Deterrent

2

Is the Content Theft Deterrent alarm mode on continuously?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Open the driver door.
  2. Close the driver door.

Do the courtesy lamps turn off?

--

Go to Step 4

Go to Diagnostic System Check - Lighting Systems

4

Disconnect the theft deterrent shock sensor.

Is the theft deterrent alarm still on?

--

Go to Step 6

Go to Step 5

5

Replace the theft deterrent shock sensor. Refer to Shock Sensor Replacement .

Did you complete the replacement?

--

Go to Step 11

--

6

  1. Disconnect the BCM connector C3.
  2. Connect a test lamp from BCM connector C3 terminal D14 to battery voltage. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 7

Go to Step 8

7

Repair the short to ground in circuit 1828 between the BCM connector C3 terminal D14 and the theft deterrent shock sensor terminal B. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 11

--

8

Connect a test lamp from BCM connector C3 terminal D2 to battery voltage. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 9

Go to Step 10

9

Repair the short to ground in circuit 263 between the BCM connector C3 terminal D2 and the theft deterrent shock sensor terminal D. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 11

--

10

Important: Perform the set up procedure for the body control module.

Replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

--

Go to Step 11

--

11

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3