PROM - Programmable Read Only Memory: Technical Service Bulletins

• Customer Interest
  • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
  • ECM - CEL ON/DTC 32 Under Heavy Load
  • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
• All Technical Service Bulletins
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
  • PROM - Powertrain Control Module Reprogramming
  • ECM - CEL ON/DTC 32 Under Heavy Load
  • A/T - No Upshift After Cold Start, Intermittent DTC 87
  • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
  • SPS/FLASH EPROM - Programming