Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • MIL ON, Hex Code $3E, Sag/Hesitation/Rough Idle
    • Overview
    • Diagnosis
    • Parts/Equipment Required
    • Repair Procedures
      • Overview
      • Single Upstream 02 Sensor
      • Double Upstream 02 Sensor
  • Heater, A/C System - Stuck in Defrost Mode
  • 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
  • PCM - Engine Sag or Hesitation On Cold Start Up
  • PCM - OBDII Readiness Code Retention
  • PCM/BCM - No Start or Erratic Theft Alarm Operation
  • Gauges - Freeze or Zero Intermittently
  • Windshield Wiper - Delay Intervals Erratic
  • Wiper/Turn Signal Switch - Inconsistent Delay/Canceling
• By Symptom
  • Customer Interest
    • MIL ON, Hex Code $3E, Sag/Hesitation/Rough Idle
      • Overview
      • Diagnosis
      • Parts/Equipment Required
      • Repair Procedures
        • Overview
        • Single Upstream 02 Sensor
        • Double Upstream 02 Sensor
    • Heater, A/C System - Stuck in Defrost Mode
    • 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
    • PCM - Engine Sag or Hesitation On Cold Start Up
    • PCM - OBDII Readiness Code Retention
    • PCM/BCM - No Start or Erratic Theft Alarm Operation
    • Gauges - Freeze or Zero Intermittently
    • Windshield Wiper - Delay Intervals Erratic
    • Wiper/Turn Signal Switch - Inconsistent Delay/Canceling
  • Driveability
    • PCM - Engine Sag or Hesitation On Cold Start Up
  • Erratic Operation
    • MIL ON, Hex Code $3E, Sag/Hesitation/Rough Idle
      • Overview
      • Diagnosis
      • Parts/Equipment Required
      • Repair Procedures
        • Overview
        • Single Upstream 02 Sensor
        • Double Upstream 02 Sensor
    • PCM/BCM - No Start or Erratic Theft Alarm Operation
    • Gauges - Freeze or Zero Intermittently
    • Windshield Wiper - Delay Intervals Erratic
    • Wiper/Turn Signal Switch - Inconsistent Delay/Canceling
  • False instrument warning light/gauges
    • Gauges - Freeze or Zero Intermittently
  • Inoperative
    • PCM/BCM - No Start or Erratic Theft Alarm Operation
  • 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
  • Poor performance
    • Wiper/Turn Signal Switch - Inconsistent Delay/Canceling
  • Starting problems
    • PCM/BCM - No Start or Erratic Theft Alarm Operation
  • Sticking/Binding
    • Heater, A/C System - Stuck in Defrost Mode
• All Technical Service Bulletins
  • Engine Controls/Lighting - Service Manual Revisions
  • Engine - Rough Idle, Hard Start, or Start and Stall
  • Generic Scan Tool - Reference Information
    • Overview
    • Quick Reference
    • 1. Powertrain Diagnostic Data
    • 2. Powertrain Freeze Frame
    • 3. Emission Related DTCs
    • 4. Clear/Reset DTCs
    • 5. O2 Monitoring Results
    • 6. Last Monitor Results
    • 7. 1 Trip Failures
    • 8. On Board System Test
    • 9. Vehicle Information
    • Appendix A, B, C and D Information
  • MIL ON, Hex Code $3E, Sag/Hesitation/Rough Idle
    • Overview
    • Diagnosis
    • Parts/Equipment Required
    • Repair Procedures
      • Overview
      • Single Upstream 02 Sensor
      • Double Upstream 02 Sensor
  • Auto Computers - Y2K Effects
  • Engine - Sag/Hesitation On Acceleration/Misfire
  • MDS/DRB III - Usage Information
  • Heater, A/C System - Stuck in Defrost Mode
  • 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
  • PCM - Engine Sag or Hesitation On Cold Start Up
  • PCM - OBDII Readiness Code Retention
  • PCM/BCM - No Start or Erratic Theft Alarm Operation
  • Gauges - Freeze or Zero Intermittently
  • Body Control Module - Updated Design
  • Windshield Wiper - Delay Intervals Erratic
  • Wiper/Turn Signal Switch - Inconsistent Delay/Canceling
  • Wiring Diagrams - Service Manual Revisions
  • Transmission Range Sensor - Production Change