GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Interior Lights System Check?

--

Go to Step 2

Go to Interior Lamps System Check

2

Does the keyless entry transmitter lock and unlock the doors properly?

--

Go to Step 3

Go to Remote Keyless Entry System Check

3

  1. Disconnect the remote function actuator (RFA) module connector.
  2. Connect a fused jumper between the RFA connector cavity B1 (DK BLU) and ground.

Do the interior lamps turn illuminate?

--

Go to Step 5

Go to Step 4

4

Test CKT 1393 (DK BLU) for an open. Refer to Testing for Continuity in Wiring Systems.

Is there an open in CKT 1393?

--

Go to Step 6

Go to Step 7

5

Replace the RFA module. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

Is the RFA module replacement complete?

--

Go to Interior Lamps System Check

--

6

Replace the body control module (SBM). Refer to Body Control Module Replacement in Body Control System.

Is the SBM module replacement complete?

--

Go to Interior Lamps System Check

--

7

Repair the faulty wiring. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Interior Lamps System Check

--