Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - Ringing Noise From Speed Sensor at 42 to 45 MPH
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine Controls - Static Electrical Damage Precaution
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - Ringing Noise From Speed Sensor at 42 to 45 MPH
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Inoperative
    • Engine Controls - Mass Airflow Sensor Return Program
  • Noise
    • A/T - Ringing Noise From Speed Sensor at 42 to 45 MPH
  • Vibration
    • A/T - Ringing Noise From Speed Sensor at 42 to 45 MPH
• All Technical Service Bulletins
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine Controls - ECM May Contain Wrong PROM
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • ECM/PCM - Damaged and/or Mis-Diagnosed
  • Engine Controls - Damage to Electrical Terminals
  • Engine Controls - MAP Chart, DTC's 33, 34 ,63 ,64
    • Overview
    • Chart C-1D
    • Code 33
    • Code 34
    • Code 63
    • Code 64
  • Engine Controls - Static Electrical Damage Precaution
  • Engine - Updated 'Crank/No Start' and Misfire Charts
    • Overview
    • Chart A-3 Engine Cranks But Won't Run "Type I C(3)1
    • Chart A-3 Engine Cranks But Won't Run "Type II C(3)1"
    • Chart C-4F-2 C(3)I Misfire Under Load
    • Chart C-4F-I C(3)I Misfire At Idle
    • Chart A-3 - Engine Cranks But Won't Run
    • Chart C-4F-2 C(3)1 Misfire Under Load
    • Chart C-4F-1 C(3)1 Misfire At Idle
  • Engine Controls - Revised Diagnostics C4B, Ignition
  • Engine Controls - Revised Diagnostics A3, No Start & C4
    • Overview
    • Chart A - 3 Engine Cranks But Won't Run 3.0L ('85) "N" Series Fuel Injection (Port)
      • Overview
      • Detonation/Spark Knock
      • Cuts Out, Misses
    • Chart C-4H C3I Ignition System Check 3.0L ('85) "N" Series
  • Engine Controls - Revised C3I Ignition System Chart C4-A
  • Engine Controls - Mass Airflow Sensor Return Program
  • Engine Controls - Updated Rough/Unstable Idle Chart
  • Computer & Controls - Integrator/Block Learn Operation
  • Engine Controls - TPS Specifications
  • ECM - Revised Replacement Procedure
  • ECM - Packard 32 Way Connector Identification
  • Oxygen Sensors - Silica Contamination
  • A/T - Ringing Noise From Speed Sensor at 42 to 45 MPH
  • Engine Controls - Use of Crank Sensor Adjusting Tool
  • PROM/MEMCAL - Identification Marks