Section 82 (Engine Control System Self-Diagnostics - 3.4L): Programming: Notes
WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, 2002 Chevrolet Monte Carlo, and 2002 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For additional diagnostic information, refer to DTC P1336: CRANKSHAFT POSITION SYSTEM VARIATION NOT LEARNED .