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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Automatic Transmission Diagnosis - 4L80-E (Diesel)) >> Diagnostic Tests >> DTC P0741: TCC System - Stuck Off >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

First diagnose and clear any engine DTCs or accelerator pedal position sensor codes that are present. Then inspect for any transmission DTCs that may have reset.

Residue or contamination may cause valves to stick intermittently.

DTC P0741 defaults to an elevated line pressure condition which may result in TCC partial apply. This may induce idle surge and engine stall.