Transmission Control Systems: Technical Service Bulletins

• Customer Interest
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Product Revisions
    • Overview
    • Sprocket Support and Scavenging Scoop
    • New Parking Lock System
    • New Wiring Harnesses and Pressure Switches
    • Two Plate Fourth Clutch Assembly
• By Symptom
  • Customer Interest
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
    • A/T - Product Revisions
      • Overview
      • Sprocket Support and Scavenging Scoop
      • New Parking Lock System
      • New Wiring Harnesses and Pressure Switches
      • Two Plate Fourth Clutch Assembly
  • Erratic Shifting
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • No shift/Incorrect gear engagement
    • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • Slipping
    • A/T - Code E39, Viscous TCC Diagnosis
      • Overview
      • System Diagnosis (Start Here)
      • Chart A
      • Chart B
      • Chart C
      • Chart D
• All Technical Service Bulletins
  • A/T - Code E39, Viscous TCC Diagnosis
    • Overview
    • System Diagnosis (Start Here)
    • Chart A
    • Chart B
    • Chart C
    • Chart D
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Product Revisions
    • Overview
    • Sprocket Support and Scavenging Scoop
    • New Parking Lock System
    • New Wiring Harnesses and Pressure Switches
    • Two Plate Fourth Clutch Assembly