Powertrain Management: Technical Service Bulletins

• Recalls
  • Emissions
    • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
      • Overview
      • Service Procedure
        • A. Reprogram PCM and Inspect Catalytic Converter
        • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
        • C. Replace Catalytic Converter If Necessary (TJ)
        • D. Install the Authorized Modifications Label
        • E. Complete Proof of Correction Form For California Residents
      • Owner Letter
  • Safety
    • Recall - Fuel Tank Sending Unit
      • Overview
      • Service Procedure For Cherokee/Grand Cherokee (XJ/Zj) Vehicles
      • Service Procedure For Wrangler (TJ) Vehicles
      • Dealer Service Instructions
      • Owner Letter
    • Recall 97V194000: Defective Fuel Gauge Sender
    • Recall 97V194000: Fuel Level Sending Unit Defect
• Customer Interest
  • PCM - MIL ON/Erroneous DTC P1398 (or $BA)
  • MIL ON, Erroneous DTC P0107 Set
    • Overview
    • Repair Procedure
  • PCM - Light Spark Knock Condition
    • Overview
    • Repair Procedure
  • PCM - Erroneous MIL ON/Driveability Improvements
  • I/M Testing - OBDII CARB Readiness Monitor Information
    • Overview
    • Repair Procedure
  • Fuel Tank - Rattling/Knocking/Gurgling Noises
  • TCM - MIL ON/DTC P1763 Set
  • Fuel Gauge - Inaccurate
  • A/T - Buzz/Whining in Reverse When Cold
• By Symptom
  • Customer Interest
    • PCM - MIL ON/Erroneous DTC P1398 (or $BA)
    • MIL ON, Erroneous DTC P0107 Set
      • Overview
      • Repair Procedure
    • PCM - Light Spark Knock Condition
      • Overview
      • Repair Procedure
    • PCM - Erroneous MIL ON/Driveability Improvements
    • I/M Testing - OBDII CARB Readiness Monitor Information
      • Overview
      • Repair Procedure
    • Fuel Tank - Rattling/Knocking/Gurgling Noises
    • TCM - MIL ON/DTC P1763 Set
    • Fuel Gauge - Inaccurate
    • A/T - Buzz/Whining in Reverse When Cold
  • Driveability
    • MIL ON, Erroneous DTC P0107 Set
      • Overview
      • Repair Procedure
    • PCM - Light Spark Knock Condition
      • Overview
      • Repair Procedure
    • PCM - Erroneous MIL ON/Driveability Improvements
  • Erratic Operation
    • Fuel Gauge - Inaccurate
  • False instrument warning light/gauges
    • PCM - MIL ON/Erroneous DTC P1398 (or $BA)
    • MIL ON, Erroneous DTC P0107 Set
      • Overview
      • Repair Procedure
    • Recall 97V194000: Defective Fuel Gauge Sender
  • No shift/Incorrect gear engagement
    • TCM - MIL ON/DTC P1763 Set
  • Noise
    • Fuel Tank - Rattling/Knocking/Gurgling Noises
    • A/T - Buzz/Whining in Reverse When Cold
  • Poor performance
    • Engine - High Driveability Index Fuels
  • Recalls
    • Recall - Fuel Tank Sending Unit
      • Overview
      • Service Procedure For Cherokee/Grand Cherokee (XJ/Zj) Vehicles
      • Service Procedure For Wrangler (TJ) Vehicles
      • Dealer Service Instructions
      • Owner Letter
    • Recall 97V194000: Defective Fuel Gauge Sender
    • Recall 97V194000: Fuel Level Sending Unit Defect
    • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
      • Overview
      • Service Procedure
        • A. Reprogram PCM and Inspect Catalytic Converter
        • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
        • C. Replace Catalytic Converter If Necessary (TJ)
        • D. Install the Authorized Modifications Label
        • E. Complete Proof of Correction Form For California Residents
      • Owner Letter
• All Technical Service Bulletins
  • Recall - Fuel Tank Sending Unit
    • Overview
    • Service Procedure For Cherokee/Grand Cherokee (XJ/Zj) Vehicles
    • Service Procedure For Wrangler (TJ) Vehicles
    • Dealer Service Instructions
    • Owner Letter
  • Fuel/Engine Controls - Injector Circuit/TPS Revisions
  • Engine Controls/Emissions/A/T - Manual Updates
  • Fuel System - Injector Circuit Test Revisions
  • PCM - Wire Harness Connector Repair Package
    • Discussion
    • Diagnosis
  • Powertrain Control Module - Service Precaution
  • Engine Controls/Electronics/Emissions - Manual Revisions
  • Engine Controls - O2 Sensor Diagnostic Update
  • PCM - MIL ON/Erroneous DTC P1398 (or $BA)
  • MIL ON, Erroneous DTC P0107 Set
    • Overview
    • Repair Procedure
  • PCM - Light Spark Knock Condition
    • Overview
    • Repair Procedure
  • PCM - Erroneous MIL ON/Driveability Improvements
  • I/M Testing - OBDII CARB Readiness Monitor Information
    • Overview
    • Repair Procedure
  • Engine Controls - Flash Programming Failure Recovery
    • Overview
    • Connected/Disconnected Flash Mode Using TechCONNECT
    • Pay Attention While Performing Flash Reprogram Procedures
    • Error Messages
    • Enhanced and Original Abort Recovery
    • Enhanced Abort Recovery Screens
    • Original Abort Recovery Screen
    • Programmable Modules
    • Powertrain Modules - Engine and Transmission
  • Fuel Tank - Rattling/Knocking/Gurgling Noises
  • TCM - MIL ON/DTC P1763 Set
  • Recall 97V194000: Defective Fuel Gauge Sender
  • Fuel Gauge - Inaccurate
  • Recall 97V194000: Fuel Level Sending Unit Defect
  • Leak Detection Pump - Monitor Test
  • Auto Computers - Y2K Effects
  • 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
  • A/T - Buzz/Whining in Reverse When Cold
  • Engine - High Driveability Index Fuels
  • Fuel Pressure Gauge Adapter - Usage
  • Recall - PCM Reflash/Inspect/Replace Catalytic Converter
    • Overview
    • Service Procedure
      • A. Reprogram PCM and Inspect Catalytic Converter
      • B. Replace Catalytic Converter If Necessary (XJ, ZJ and AN)
      • C. Replace Catalytic Converter If Necessary (TJ)
      • D. Install the Authorized Modifications Label
      • E. Complete Proof of Correction Form For California Residents
    • Owner Letter