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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1332 (KEYLESS ENTRY SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESKEYLESS ENTRY SYSTEM INOPERATIVE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Keyless Entry System Inoperative

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Keyless Entry System Inoperative
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Keyless Entry System Inoperative

Step Action Yes No
Schematic Reference: Keyless Entry Schematics 
Connector End View Reference: Keyless Entry Connector End Views 
1 Did you read the Keyless Entry Description and Operation and perform the necessary inspections? Go to Step 2  Go to Keyless Entry System Description and Operation 
2 Press each button of the transmitter 1 at a time.
Does the system operate normally?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Test the transmitter battery and replace if necessary. Refer to Transmitter Battery Replacement .
Press each button on the transmitter 1 at a time.
Does the system operate normally?		 Go to Step 21  Go to Step 4 
4 Lock and unlock the door locks using the controls inside the vehicle.
Do the locks operate properly?		 Go to Step 5  Go to Power Door Locks Inoperative in Doors
5 Operate the hatch glass release from the control inside the vehicle.
Does the hatch glass release operate properly?		 Go to Step 6  Go to Symptoms - Body Rear End in Body Rear End
6
IMPORTANT: Ensure that the keyless entry transmitter is the correct model for the vehicle remote system.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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