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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Diagnostic Information And Procedures >> Lack of Power or Hesitation

Lack of Power or Hesitation

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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 Manual Valve Position Switch Logic .