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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1160 (Automatic Transaxle Diagnostics (DTC P0741 (3.6L) To DTC P1819 (3.4L) - 4T65-E) >> Diagnosis >> DTC P1621 (3.6L) >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

TCM reprogramming may cause P1621 to set.

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