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Old 06-13-2015, 02:18 AM   #1
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Cool 97 Skylark Ignition Cyl Replace No Relearn Process

After replacing the ignition lock cylinder bought on Ebay noticed security light wasn't on at all. The old lock the security light would come on and the car wouldn't start unless I did the relearn process for 10 mins and turn key off for about a minute. Sometimes the car just wouldn't start and no security light was on and acted like getting no gas. When I turned the key I heard the fuel pump cycling when the key was turned on. If anyone is wondering yes I disconnected the battery prior to installing the new lock. The keys are different from the old lock to the new lock.

I'm wondering when the new ignition cylinder will start performing like the old lock. Has anyone heard of installing a new ignition lock cylinder and not needing to go through the 10 min relearn process? Since the security light wasn't on I turned the key and it started without doing anything. I'm thinking everyone will want one of these ignition lock
cylinders.

97 Buick Skylark 2.4

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Old 06-14-2015, 08:20 AM   #2
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All depends.....did you just replace the lock cylinder, or the the lock cylinder AND the PassLock module?

If just the lock cylinder, then a relearn is not necessary.....if BOTH, then it is needed...

Is it possible the bulb has burned out? When you just turn the key to "on"(not crank), that SECURITY light should come on.....

Keys have nothing to do with the system, they are blank keys for just unlocking the cylinder so it can be rotated......

So are you saying with the new cylinder, the SECURITY light does not come on and the car starts?
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Old 06-14-2015, 03:51 PM   #3
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All depends.....did you just replace the lock cylinder, or the the lock cylinder AND the PassLock module?

If just the lock cylinder, then a relearn is not necessary.....if BOTH, then it is needed...

Is it possible the bulb has burned out? When you just turn the key to "on"(not crank), that SECURITY light should come on.....

Keys have nothing to do with the system, they are blank keys for just unlocking the cylinder so it can be rotated......

So are you saying with the new cylinder, the SECURITY light does not come on and the car starts?
I replaced the ignition lock cylinder which comes with a NEW passlock sensor the cars body control module won't recognize the new lock unless I reprogam it. The car shouldn't start unless I do the the relearn process.

As for the keys since they are different wouldn't the passlock sensor send a different code because it'* a new lock to the cars body control module?

The SECURITY light NEVER came on when I reconnected the battery cable. Since the light never came on the point I'm trying to make is the car shouldn't have started without doing the relearn process but it did. Remember the car started without doing the relearn process but I still did the relearn process even though the security light wasn't visible.
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Old 06-18-2015, 11:51 PM   #4
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The keys have nothing to do with the resistor code.......that code is built into the PassLock sensor.....the fact it started without programming, can only mean that the R-code of the new PassLock sensor, was the same as the last used one......if your light is not on, it'* the bulb or cluster.....
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