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Home >> Pontiac >> 2004 >> Sunfire Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 153 (Automatic Transaxle - 4T40-E/4T45-E Diagnosis (DTC P0748 (3.4L) To P1887)) >> Diagnostic Information and Procedures >> DTC P1811 (2.2L and 3.4L) >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Grand Am and 2004 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.

Ask the customer about overloading the vehicle, exceeding the trailer towing limit, or towing in Overdrive.