Transmission Control Systems: Technical Service Bulletins

• Recalls
  • Campaign - Warranty Coverage for Transmission Processor
    • Overview
    • Dealer Letter
• Customer Interest
  • A/T - E4OD Shift Concerns/DTC's Set
• By Symptom
  • Customer Interest
    • A/T - E4OD Shift Concerns/DTC's Set
  • Erratic Shifting
    • A/T - E4OD Shift Concerns/DTC's Set
  • Hard Shifting
    • A/T - E4OD Shift Concerns/DTC's Set
  • Poor performance
    • A/T - E4OD Shift Concerns/DTC's Set
  • Recalls
    • Campaign - Warranty Coverage for Transmission Processor
      • Overview
      • Dealer Letter
• All Technical Service Bulletins
  • A/T - Electronic Transmission Repair Process Chart
  • A/T - Electronics Diagnostic and Repair Chart
  • A/T - E4OD Service Tips
    • Overview
    • General Description
    • E40D Sensors and Actuators
    • Processor - Electronic Control Assembly (ECA)
    • Inputs
      • Vehicle Speed Sensor (VSS)
      • Transmission Oil Temperature (Tot) Sensor
      • Manual Lever Position (MLP) Sensor
      • Brake On/Off Switch (BOO)
      • RPM Sensor
      • Air Conditioning Clutch
      • Barometric and Absolute Pressure Sensor
      • Fuel Injection Pump Lever and Throttle Position Sensor
      • Overdrive Cancel Switch and Indicator Light
      • Low Range Switch - 4 X 4
    • Outputs
      • Transmission Solenoid Body
      • Solenoids 1, 2, 3 and 4
      • Solenoid On/Off Chart
      • Shift Solenoid Symptom Modes:
    • Diagnosis and Servicing
      • Overview
      • Quick Test 1.0, 2.0
      • Quick Test 3.0 (Key On Engine Off)
      • Quick Test 4.0 (Computed Timing Check - Gasoline Engine)
      • Quick Test 5.0 (Engine Running)
      • Quick Test 6.0 (Continuous Service Codes)
    • E40D Self Test Overview
      • Procedures to Run Quick Test:
      • Performing Key On, Engine Off (KOEO) Self-Test:
      • Key On - Engine Running (KOER) Self Test:
      • Diesel Applications
      • Gasoline Engines
      • Wiggle Test - Engine Off
      • Drive Cycle Test
    • Pinpoint Tests
      • E40D Test Harness T89T-70100-A
      • Error Codes For Pinpoint Test
      • Service Codes:49, 59 and 69 - Pinpoint Test AA
      • Service Codes:56 and 66 - Pinpoint Test BB
      • Service Code:62 - Pinpoint Test cc
      • Service Code:67 - Pinpoint Test Ee
      • Service Codes:91, 92, 93 and 94 - Pinpoint Test GG
      • Service Codes:98 and 99 - Pinpoint Test Hh
      • Error Code Description
      • Error Code - Symptoms
  • Campaign - Warranty Coverage for Transmission Processor
    • Overview
    • Dealer Letter
  • A/T - E4OD Shift Concerns/DTC's Set
  • A/T - E4OD New Design Transmission Range Sensor