Powertrain Management: Technical Service Bulletins

• Customer Interest
  • Fuel Pump - Filter Plugging
  • Electric Fuel Pump - High Frequency Whine
  • Engine - Driveway Die Out/Rough Idle/Low Power
  • Engine - Oil Consumption
  • Converter Lock Up Solenoid - Bucking/Surging
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Fuel Injectors - Long Crank Time to Start
  • ECM - Engine Die Out at Low Speeds
  • PCM - Cold Start Hesitation/Tip In Sag/DTC 13
  • AIS Motor - Erratic Idle Speed In Cold Ambients
  • Throttle Body - Intermittent Loss of Engine Power
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T - A604 Excessive Upshifting/Downshifting
  • Speed Sensor - Intermittent Loss of Cruise Control
  • MAP Sensor - DTC's 13 or 14 Set
  • Check Engine Lamp Comes On and Fault Code 13
• By Symptom
  • Abnormal wear/deterioration
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Chattering
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Customer Interest
    • Fuel Pump - Filter Plugging
    • Electric Fuel Pump - High Frequency Whine
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • Engine - Oil Consumption
    • Converter Lock Up Solenoid - Bucking/Surging
    • Converter Clutch - Vehicle Shudder on Lock Up
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
    • A/T - Ratcheting Sound When Coming To Stop
    • Fuel Injectors - Long Crank Time to Start
    • ECM - Engine Die Out at Low Speeds
    • PCM - Cold Start Hesitation/Tip In Sag/DTC 13
    • AIS Motor - Erratic Idle Speed In Cold Ambients
    • Throttle Body - Intermittent Loss of Engine Power
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
    • A/T - A604 Excessive Upshifting/Downshifting
    • Speed Sensor - Intermittent Loss of Cruise Control
    • MAP Sensor - DTC's 13 or 14 Set
    • Check Engine Lamp Comes On and Fault Code 13
  • Driveability
    • Fuel Pump - Filter Plugging
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • AIS Motor - Erratic Idle Speed In Cold Ambients
    • Throttle Body - Intermittent Loss of Engine Power
    • Check Engine Lamp Comes On and Fault Code 13
  • Erratic Operation
    • PCM - Cold Start Hesitation/Tip In Sag/DTC 13
    • Speed Sensor - Intermittent Loss of Cruise Control
  • Erratic Shifting
    • Converter Lock Up Solenoid - Bucking/Surging
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • False instrument warning light/gauges
    • Check Engine Lamp Comes On and Fault Code 13
  • Hard Shifting
    • A/T - 41TE Harsh 2-1 Gear Downshift
    • A/T - 41TE Harsh 2nd - 1st Gear Downshift
    • A/T - Poor Shift Quality
      • Overview
      • Diagnosis
      • Repair Procedure No. 1
      • Repair Procedure No. 2
  • Hunting-Surging
    • A/T - A604 Excessive Upshifting/Downshifting
  • Incorrect gear selection
    • A/T - A604 Excessive Upshifting/Downshifting
  • Inoperative
    • AIS Motor - Erratic Idle Speed In Cold Ambients
  • No shift/Incorrect gear engagement
    • A/T - 41TE/AE 42LE Delayed Gear Engagement
      • Overview
      • Symptom/Condition
      • Diagnosis
      • Item 1 DTC 35 Loss of Prime
      • Item 2 L - R Inner and Outer Seals
      • Item 3 UD Inner Lip Seal
      • Item 4 General Seal Statement
      • Item 5 Measuring # 1 Check Ball Clearance
      • Item 6 PRNDL Switch (Non TRS)
      • Item 7 Output Speed Sensor
  • Noise
    • Electric Fuel Pump - High Frequency Whine
  • Poor performance
    • Engine - Driveway Die Out/Rough Idle/Low Power
    • Throttle Body - Intermittent Loss of Engine Power
  • Slipping
    • A/T - A604 Momentary Decleration/Clutch Slippage
      • Overview
      • Diagnosis
      • Test 49CODE 46 Test Procedure-
      • Test 50TESTING the A-604 Clutch Volumes
  • Starting problems
    • Fuel Injectors - Long Crank Time to Start
  • Vibration
    • Converter Clutch - Vehicle Shudder on Lock Up
• All Technical Service Bulletins
  • Flooded Engine - Service Precautions
  • Fuel Injection - TPS Diagnostic Procedure Revision
  • Fuel Pump and Filter - Replacement Information
  • Fuel Pump - Filter Plugging
  • Electric Fuel Pump - High Frequency Whine
  • Engine - Driveway Die Out/Rough Idle/Low Power
  • Engine - Oil Consumption
  • Converter Lock Up Solenoid - Bucking/Surging
  • Converter Clutch - Vehicle Shudder on Lock Up
  • A/T - 41TE/AE 42LE Delayed Gear Engagement
    • Overview
    • Symptom/Condition
    • Diagnosis
    • Item 1 DTC 35 Loss of Prime
    • Item 2 L - R Inner and Outer Seals
    • Item 3 UD Inner Lip Seal
    • Item 4 General Seal Statement
    • Item 5 Measuring # 1 Check Ball Clearance
    • Item 6 PRNDL Switch (Non TRS)
    • Item 7 Output Speed Sensor
  • A/T - Ratcheting Sound When Coming To Stop
  • Fuel Injectors - Long Crank Time to Start
  • ECM - Engine Die Out at Low Speeds
  • PCM - Cold Start Hesitation/Tip In Sag/DTC 13
  • AIS Motor - Erratic Idle Speed In Cold Ambients
  • Throttle Body - Intermittent Loss of Engine Power
  • A/T - 41TE Harsh 2-1 Gear Downshift
  • A/T - 41TE Harsh 2nd - 1st Gear Downshift
  • A/T - Poor Shift Quality
    • Overview
    • Diagnosis
    • Repair Procedure No. 1
    • Repair Procedure No. 2
  • A/T Reaction Shaft Support - Revision
    • Overview
    • Description
    • Step A
    • Step B
    • Step C
    • Step D
    • Other Recommendations
    • Front Wheel Drive Labor Operation Time Schedule
  • A/T - A604 Excessive Upshifting/Downshifting
  • Diagnostic Test Procedure - Manual Revisions
  • Powertrain Diagnostic Procedure Manual - Revisions
  • Auto Computers - Y2K Effects
  • Electrical - Text/Pin Out/Graphics Manual Revisions
  • A/T - A604 Momentary Decleration/Clutch Slippage
    • Overview
    • Diagnosis
    • Test 49CODE 46 Test Procedure-
    • Test 50TESTING the A-604 Clutch Volumes
  • A/T - Clutch Volume Index QuIck Learn
  • EGR Valve - Diagnostic Procedures Revision
  • Transmission Range Sensor - Production Change
  • Speed Sensor - Intermittent Loss of Cruise Control
  • A/T Wiring Diagram - Manual Revisions
  • A604 EATX - Wiring Repair Package
  • MAP Sensor - DTC's 13 or 14 Set
  • Check Engine Lamp Comes On and Fault Code 13