Computers and Control Systems: Technical Service Bulletins
- Customer Interest
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Driveability
- Erratic Shifting
- False instrument warning light/gauges
- EEC IV - Self Test Codes and MIL Service Tips
- Overview
- Overview of Three Digit EEC-IV Self-Test Codes
- 1) Technician Not Familiar With Self-Test Code Output
- 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
- 3) Concern Setting Continious Memory Code Isn't Present
- 4) Grounded STO/MIL Circuit
- 5) Engine Running In Hlos
- 6) Misinterpretation of MIL Bulb Check
- 7) MIL Flashes During Self-Test
- 8) Processor KAM Is Erased or Fails
- 9) Damaged Star Tester
- 10) KOEO Processor Ram Test Failed
- 11) Intermittent VSS Fault Detected In Wiggle Mode
- 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
- 13) Intermittent Ignition System Fault
- 14) Intermittent Open STI Circuit
- 15) Power Lost to EEC Processor
- 16) Other Warning Lamps Mistaken For MIL
- 17) Development Testing /Wrong Processor Released to Production
- EEC IV - Self Test Codes and MIL Service Tips
- No shift/Incorrect gear engagement
- Slipping
- All Technical Service Bulletins
- Engine Controls - Engine Surge/Rolling Idle/DTC's Set
- Emissions/Engine Controls - Driveability Diagnosis
- EEC IV - Self Test Codes and MIL Service Tips
- Overview
- Overview of Three Digit EEC-IV Self-Test Codes
- 1) Technician Not Familiar With Self-Test Code Output
- 2) Inadvertent Erasure of Continuous Memory Self-Test Codes
- 3) Concern Setting Continious Memory Code Isn't Present
- 4) Grounded STO/MIL Circuit
- 5) Engine Running In Hlos
- 6) Misinterpretation of MIL Bulb Check
- 7) MIL Flashes During Self-Test
- 8) Processor KAM Is Erased or Fails
- 9) Damaged Star Tester
- 10) KOEO Processor Ram Test Failed
- 11) Intermittent VSS Fault Detected In Wiggle Mode
- 12) IDM Pulswidth Not Recognized By Processor (EDIS Vehicles)
- 13) Intermittent Ignition System Fault
- 14) Intermittent Open STI Circuit
- 15) Power Lost to EEC Processor
- 16) Other Warning Lamps Mistaken For MIL
- 17) Development Testing /Wrong Processor Released to Production
- NGS Tester - Incorrect Display During Diagnostics
- Throttle Position Sensor - Function and Diagnostic Tips
- A/T - AODE Intermittent Loss of Torque at 3-4 Upshift
- PCM - Reprogramming Tips
- Engine - Rough Idle/Hesitation/Stumble On Acceleration
- A/T - Delayed/Slow/Soft Upshifts
- PCM - Reprogramming Out of Vehicle
- Heated Exhaust Gas Oxygen Sensor - Application Chart
- EGO Sensors - Silicone Contamination
- EGR DPFE Sensor - Voltage Range Revision
- Mass Air Flow Sensor - Assembly Replacement
- Engine - Lean Driveability Symptoms
- A/T - 4R70W/AODE DTC's Set/Shift Concerns