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P1811 Diagnostic Trouble Code Discussion for July 2008

Maximum Adaptive And Long Term Shift

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Trouble Ticket Help Requests for DTC P1811
Help Request Posted
2002 Pontiac Grand Prix GT 3.8L Excessive Emissions, Poor Fuel Economy, sulphur smell VIN: 1G2WP52K02
P1811: Maximum Adaptive & Long Term Shift. Customer returned 9 months later saying she had an exhaust leak from our previous work.She stated she gets horrible mileage. she stated her exhaust smells like rotten eggs(sulphur).She also needed wheel bearings. We replaced thehub assemblies. welded the small...
July 14, 2008
2001 Oldsmobile Silhouette GL 3.4L Surge VIN: 1GHDX13E8Y
P1811: Maximum Adaptive & Long Term Shift. HI. This engine has a 200rpm surge, and no misfires, about twice a second under light load/accel when running between 40-60 mph in high gear, TCC lock. The two codes shown do not relate to the problem: the trans adapts show up once in a great while, and the Ev...
July 22, 2008