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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1328 (Automatic Transmission, 4L60-E/4L65-E (Troubleshooting)) >> Troubleshooting >> Lack of Power or Hesitation

Lack of Power or Hesitation

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Lack of Power or Hesitation

Checks Causes
Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch (69) Incorrect TFP signal logic for current gear position. Refer to Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic .