Transmission Control Systems: Technical Service Bulletins

• Customer Interest
  • A/T - 1-2 Shudder/Chuggle or Double Bump
  • Backup Lamps/Tailgate Window Release - Inoperative
  • A/T - Buzzing Noise at Idle
  • Drivetrain - Slow Or No Engagement of Front Axle
    • Overview
    • Service Procedure
• By Symptom
  • Chattering
    • A/T - 1-2 Shudder/Chuggle or Double Bump
  • Customer Interest
    • A/T - 1-2 Shudder/Chuggle or Double Bump
    • Backup Lamps/Tailgate Window Release - Inoperative
    • A/T - Buzzing Noise at Idle
    • Drivetrain - Slow Or No Engagement of Front Axle
      • Overview
      • Service Procedure
  • Hard Shifting
    • A/T - 1-2 Shudder/Chuggle or Double Bump
  • Inoperative
    • Backup Lamps/Tailgate Window Release - Inoperative
  • Noise
    • A/T - Buzzing Noise at Idle
• All Technical Service Bulletins
  • A/T - 4L80-E/4L80-EHD Diagnostic Charts Update
  • A/T TCC - MIL ON/False Code 32 Set Diagnostics
  • A/T - Shift Solenoid Update
  • A/T - 1-2 Shudder/Chuggle or Double Bump
  • Backup Lamps/Tailgate Window Release - Inoperative
  • A/T - Buzzing Noise at Idle
  • Drivetrain - Slow Or No Engagement of Front Axle
    • Overview
    • Service Procedure
  • A/T - Holley Variable Pressure Control Solenoid