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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Diagnosis - 4L60-E >> Diagnostic Tests >> DTC P0742: TCC System - Stuck On >> Diagnostic Aids

Diagnostic Aids

TCC may hydraulically stick on with parking brake applied and any gear range selected. TCC fluid will hydraulically apply TCC, which may cause engine to stall. A stuck TP sensor will set DTC P0742.