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The Passlock I and Passlock II systems can be found in the following General Motors vehicles:
■ ‘95 and newer Cavalier and Sunfire
■ ‘96 and newer Achieva, Grand Am, and Skylark
■ ‘97 and newer Intrigue, Malibu, and Cutlass
■ ‘98 and newer trucks, vans, SUVs
■ ‘99 and newer Alero
■ 2000 and newer Impala and Saturn
Passlock I and II systems are VATS-evolved. Passlock systems still rely on the R-code to start, but the pellet is
no longer placed in the key. The resistor can now be found in the key switch. This allows for a greater number
of possible R-codes. In addition, Passlock systems require “seeing” the correct R-code at the correct time. To
bypass Passlock I and II,
pp//nn 555555LL
or
pp//nn 555555TT
is required.
The Passkey III system can be found in the following vehicles:
■ ‘97 and newer Park Avenue
■ ‘98 and newer Cadillac
■ ‘99 and newer U vans, Transport, Montana, and Silhouette
■ 2000 and newer Grand Prix, Lesabre, Monte Carlo, Lumina, Bonneville
■ 2001 and newer Aurora, Aztek and Rendezvous
Other transponder-based systems include: Acura, BMW, Dodge/Chrysler/Jeep, Ford, Honda, Infinity, Mazda,
Mercedes, Mitsubishi, Nissan, Toyota, Volkswagon, and Volvo.
PK-3 and the transponder-based systems use a transponder system that locks out the ignition and fuel system.
This transponder system is comprised of two parts. The first part, the transceiver, circles the key switch
and is activated when the key is placed in the key switch or turned to the run position. Upon activation, the
transceiver will excite the transponder, which is located (but not visible) in the head of the ignition key. The key
transponder will then send a unique code back to the transceiver for evaluation. If the code matches a
valid code of the system, the vehicle will be allowed to start. Most of these transponder-based systems can be
bypassed using
pp//nn 555555UU..
Some may require additional parts from the vehicle manufacturer. Consult you dealer
for the applications. For most Ford PATS transponders, as well as Lexus and Toyotas,
pp//nn 555555FF
can be used, except
for the following vehicles, which will require
pp//nn 555555UU
: ‘97 and newer Mark VII, and 2000 and newer
Taurus/Sable, Contour/Mystique and Focus.
ppaasssskkeeyy IIIIII ((PPKK--33)),, ttrraannssppoonnddeerr--bbaasseedd ssyysstteemmss
ppaasssslloocckk II aanndd ppaasssslloocckk IIII ((PPLL--11 aanndd PPLL--22))
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