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Home >> Chevrolet >> 2001 >> Cutaway 6.5 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 6.5L >> Programming >> Theft Deterrent System Programming

Theft Deterrent System Programming

NOTE: If replacing Passlock™ module, the module will learn Passlock™ sensor data code immediately. The existing PCM however, must learn the new fuel continue password when Passlock™ module is replaced.
NOTE: If replacing a PCM, after programming, these modules will learn the incoming fuel continue password immediately upon receipt of a password message. Once password message is received, and password is learned, a learn procedure must be performed to change this password again. A PCM which has been previously installed in another vehicle will have learned the other vehicle's fuel continue password and will require a learn procedure after programming to learn the current vehicle's password.
NOTE: There are 2 available methods to perform the programming procedure: The 10-minute learn procedure requires a Tech 2 scan tool and a Techline® terminal. The 30-minute learn procedure does not require the use of any tools.

10-Minute Learn Procedure 

  1. Connect Tech 2 scan tool to DLC.
  2. Select "Request Information" under "Service Programming".
  3. Disconnect scan tool from vehicle and connect to a Techline® terminal.
  4. On Techline® terminal, select "Theft Module Relearn" under "Service Programming".
  5. Disconnect scan tool from Techline® terminal and connect it to vehicle.
  6. Turn ignition on, with engine off.
  7. Select "VTD Relearn" under "Service Programming".
  8. Attempt to start engine, then release ignition key to ON position. Engine should not start.
  9. Observe SECURITY indicator light. After about 10 minutes, indicator light should turn off. Vehicle is now ready to relearn Passlock™ sensor data code and/or password on the next ignition switch transition from OFF to CRANK position.
  10. Turn ignition off and wait 5 seconds.
  11. Start engine. Vehicle has now learned the password.
  12. Using scan tool, clear any DTCs.

30-Minute Learn Procedure 

  1. Turn ignition on, with engine off.
  2. Attempt to start engine, then release ignition key to ON position. Engine should not start.
  3. Observe SECURITY indicator light. After about 10 minutes, indicator light will turn off.
  4. Turn ignition off and wait 5 seconds.
  5. Repeat steps  1 -  4 for 2 more times for a total of 3 cycles/30 minutes. Vehicle is now ready to relearn the Passlock™ sensor data code and/or passwords on the next ignition switch transition from OFF to CRANK position.
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