Powertrain Management: Technical Service Bulletins

• Recalls
  • Campaign - Engine Breather Scheduled Cleanings
• Customer Interest
  • Engine Control - AJ27 MIL ON, P0121
  • Brakes - Judder/Shudder/Pulsation
  • ECM - Limp Home Mode/Restricted Performance Displayed
    • Overview
    • Flash Programming Procedure
  • Engine - Poor Performance/Low Power
  • Throttle Cable - Limp Home Mode/DTC P1121/P1632
  • A/T - Harsh Cold Engagement/ Poor Shift Quality
  • Fuel System - Difficulty Refueling/Spit Back
  • A/T Selector Lever - Difficult to Shift From PARK
  • A/T - Default to Limp Home Mode
  • Engine - No Start/Unsatisfactory Idle/Poor Driveability
  • Emissions - MIL ON/Excessive Engine Noise
    • Overview
    • Workshop Procedure
      • XJR and VDP Supercharged Vehicles
      • XKR Vehicles
    • Owner Letter
  • Keyless Entry - Can't Lock Vehicle Using Remote Fob
• By Symptom
  • Customer Interest
    • Engine Control - AJ27 MIL ON, P0121
    • Brakes - Judder/Shudder/Pulsation
    • ECM - Limp Home Mode/Restricted Performance Displayed
      • Overview
      • Flash Programming Procedure
    • Engine - Poor Performance/Low Power
    • Throttle Cable - Limp Home Mode/DTC P1121/P1632
    • A/T - Harsh Cold Engagement/ Poor Shift Quality
    • Fuel System - Difficulty Refueling/Spit Back
    • A/T Selector Lever - Difficult to Shift From PARK
    • A/T - Default to Limp Home Mode
    • Engine - No Start/Unsatisfactory Idle/Poor Driveability
    • Emissions - MIL ON/Excessive Engine Noise
      • Overview
      • Workshop Procedure
        • XJR and VDP Supercharged Vehicles
        • XKR Vehicles
      • Owner Letter
    • Keyless Entry - Can't Lock Vehicle Using Remote Fob
  • Difficult gear selection
    • A/T Selector Lever - Difficult to Shift From PARK
  • Driveability
    • ECM - Limp Home Mode/Restricted Performance Displayed
      • Overview
      • Flash Programming Procedure
    • Throttle Cable - Limp Home Mode/DTC P1121/P1632
    • Engine - No Start/Unsatisfactory Idle/Poor Driveability
  • Erratic Shifting
    • A/T - Harsh Cold Engagement/ Poor Shift Quality
  • False instrument warning light/gauges
    • ECM - Limp Home Mode/Restricted Performance Displayed
      • Overview
      • Flash Programming Procedure
  • Hard Shifting
    • A/T - Harsh Cold Engagement/ Poor Shift Quality
  • Inoperative
    • Keyless Entry - Can't Lock Vehicle Using Remote Fob
  • No shift/Incorrect gear engagement
    • A/T - Default to Limp Home Mode
  • Noise
    • Emissions - MIL ON/Excessive Engine Noise
      • Overview
      • Workshop Procedure
        • XJR and VDP Supercharged Vehicles
        • XKR Vehicles
      • Owner Letter
  • Poor performance
    • Engine - Poor Performance/Low Power
  • Recalls
    • Campaign - Engine Breather Scheduled Cleanings
  • Vibration/Pulsating brakes
    • Brakes - Judder/Shudder/Pulsation
  • Won't turn off
    • A/T Selector Lever - Difficult to Shift From PARK
• All Technical Service Bulletins
  • Battery - Disconnect Prior to Control Module Service
  • Engine Control - AJ27 MIL ON, P0121
  • Brakes - Judder/Shudder/Pulsation
  • ECM - Limp Home Mode/Restricted Performance Displayed
    • Overview
    • Flash Programming Procedure
  • Engine - Poor Performance/Low Power
  • Throttle Cable - Limp Home Mode/DTC P1121/P1632
  • A/T - Harsh Cold Engagement/ Poor Shift Quality
  • Fuel System - Difficulty Refueling/Spit Back
  • A/T Selector Lever - Difficult to Shift From PARK
  • PDU Software - New
    • Overview
    • Vehicle Data Viewer (JTP626/2 & JTP627/1)
    • JVA Enhancements (JTP626/2 & JTP627/1)
    • Power Train Toolbox Functions (JTP626/2) & JTP627/1)
    • PDU-PC Version 3 (JTP628/1)
    • System Setup (JTP627/1)
  • ECM - Replacement Questionaire
  • A/T - Default to Limp Home Mode
  • Engine - No Start/Unsatisfactory Idle/Poor Driveability
  • PDU Software - JTP 627/5 Update
  • PDU Software - MPA Lock Up/Recovery Procedure
  • PDU - Software Update
  • PDU - Software Updates
  • PDU - Year 2,000 Readiness PC Software
  • PDU - New Software
  • JTIS 8 - Electrical Guides, DTC Summaries Added
  • Campaign - Engine Breather Scheduled Cleanings
  • Emissions - MIL ON/Excessive Engine Noise
    • Overview
    • Workshop Procedure
      • XJR and VDP Supercharged Vehicles
      • XKR Vehicles
    • Owner Letter
  • Engine Controls - Removal of Seized Oxygen (O2) Sensors
  • Keyless Entry - Can't Lock Vehicle Using Remote Fob