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Home >> GMC >> 2007 >> Sierra Classic 1500 HD, 4WD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> Keyless Entry System Inoperative

Keyless Entry System Inoperative

Keyless Entry System Inoperative

Step Action Yes No
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Press each button of the transmitter one at a time.
Does the system operate normally?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 Lock and unlock the door locks using the controls inside the vehicle.
Do the locks operate properly?
Go to Step 4  Go to Diagnostic System Check - Vehicle
4
IMPORTANT: Inspect that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter may pass this test but will not activate the vehicle remote system.
  1. Turn on the J 43241  Keyless Entry Tester.
  2. Place the transmitter on the J 43241  test pad.
  3. Press each button of the transmitter one at a time.
Does a tone sound and the green light illuminate on the J 43241  after each button is pressed?
Go to Step 8  Go to Step 5 
5 Do any of the buttons on the transmitter sound the tone and illuminate the green light when pressed? Go to Step 9  Go to Step 6 
6 Replace the transmitter battery. Refer to Transmitter Battery Replacement .
Did you complete the replacement?
Go to Step 7  -
7
  1. Turn on the J 43241  .
  2. Place the transmitter on the J 43241  test pad.
  3. Press each button of the transmitter one at a time.
Does a tone sound and the green light illuminate on the J 43241  after each button is pressed?
Go to Step 8  Go to Step 9 
8 Perform the transmitter synchronization procedure. Refer to Transmitter Synchronization .
Did the locks cycle to lock then unlock?
Go to Step 12  Go to Step 10 
9 Replace the transmitter.
Did you complete the replacement?
Go to Step 10  -
10 Perform the transmitter programming procedure. Refer to Transmitter Programming .
Did the locks cycle to lock then unlock?
Go to Step 12  Go to Step 11 
11 Replace the passenger door module (PDM). Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3