Relays and Modules - Powertrain Management: Technical Service Bulletins

• Customer Interest
  • Engine Controls - Spark Knock During Engine Start
  • Engine Controls - Hard Cranking, Updated ECM
  • Engine Controls - Spark Knock, Especially at High Temps
  • ECM - MIL ON/Poor Driveability
• By Symptom
  • Abnormal wear/deterioration
    • ECM - Relay (Type 1M) Green or Blue Precautions
  • Customer Interest
    • Engine Controls - Spark Knock During Engine Start
    • Engine Controls - Hard Cranking, Updated ECM
    • Engine Controls - Spark Knock, Especially at High Temps
    • ECM - MIL ON/Poor Driveability
  • Leaks
    • ECM - MIL ON/Poor Driveability
  • Noise
    • Engine Controls - Spark Knock, Especially at High Temps
  • Starting problems
    • Engine Controls - Hard Cranking, Updated ECM
• All Technical Service Bulletins
  • ECM - Green or Blue Relay Caution
  • Engine Controls - ECM Installation Cautions
  • Engine Controls - Engine Control Module Identification
  • Engine Controls - Spark Knock During Engine Start
  • ECM - Relay (Type 1M) Green or Blue Precautions
  • Engine Controls - ECM Connector Bolt
  • Engine Controls - ECM Testing Precautions
  • Engine Controls - Hard Cranking, Updated ECM
  • Engine Controls - Spark Knock, Especially at High Temps
  • ECM - MIL ON/Poor Driveability