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Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  Verifies the conditions for setting DTC B3055 or B3060 are not current.
  2. 3:  If a new key must be tried, the key must have the proper mechanical cut and the theft deterrent control module must "learn" the transponder value.
  3. 4:  If the replacement key does not work, the theft deterrent control module must be malfunctioning.
DTC B3935

Step Action Yes No
Schematic Reference:  Theft Deterrent System Schematics  
Connector End View Reference:  Theft Deterrent System Connector End Views  
1 Did you perform the Theft Deterrent Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Theft Deterrent 
2  Is DTC B3055 or B3060 set as a current code? Go to DTC B3055  or DTC B3060  Go to Step 3 
3 
  1. Replace the suspect key.
  2. Copy the mechanical cut of the available key on a pass key III plus (PK3+) replacement key.
  3. Perform the Adding Keys procedure if two learned master keys are available. Refer to Adding Keys (Export including Canada) . If two learned master keys are not available, refer to Replacing Keys .
Did you complete the replacement?		 Go to Step 4  -
4  Does the replacement key cause DTC B3935 to set? Go to Step 5  Go to Step 6 
5
IMPORTANT: If a 10 Minute or 30 Minute Re-Learn Procedure is performed, all keys not learned at that time will be erased and will not be recognized. Perform the Adding Keys procedure on all keys or instruct the customer how to perform the Adding Keys procedure. Refer to Adding Keys (Export including Canada) .
  1. Replace the theft deterrent control module. Refer to Theft Deterrent Control Module Replacement .
  2. Perform the Programming Theft Deterrent System Components procedure. Refer to Programming Theft Deterrent System Components .
Did you complete the replacement?		 Go to Step 6  -
6
  1. Use a scan tool in order to clear the DTCs
  2. Attempt to start the vehicle.
Does the DTC reset?		 Go to Step 2  System OK
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