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Now all you have
to do is reverse the steps to reinstall your computer.
Additional
Instructions
1996-1997
PCM’s do not have any other special procedures, other than idle relearn.
Start, and allow to idle in Park until engine is at normal operating
temperature if desired.
1998-2000+
PCM’s require an antitheft ‘relearn’ procedure as follows:
(1). Attempt to start vehicle. You MUST rotate the ignition key enough
to try to start the vehicle. Vehicle will briefly start and quit. LEAVE
KEY ON—this is NORMAL.
(2). Observe “Security Light”. The Security light may initially flash,
but will remain on steady for a period of 10 minutes, provided you left
the key in the ON position. When the security light goes out (10 minutes
have expired), turn the key OFF—and wait 5 seconds.
(3). Repeat steps (1) through (2) EXACTLY AS STATED an additional 2 more
times for a total of 3 relearn attempts. Remember to turn the key off
between each of the 3 total relearn attempts as stated in step (2).
(4). Truck should start on the 4th attempt, provided you
didn’t make a mistake in one of the 3 prior relearn sequences. This is a
simple procedure, but often done incorrectly.
(5). If there’s no “Check Engine” illuminated, everything is fine. If
the “Check Engine” lamp is on, there may be one additional step which
requires the use of a scan tool, to enable the PCM to know where the
crankshaft sensor is in relation to camshaft. It is totally safe to
drive your vehicle to any repair centre to have this service performed
(a 2-3 minute procedure. 90% of the time, this does not need to be
done). All diagnostics are performed normally with this performance
computer.
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