Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Recall - Crankshaft Position Sensor Replacement
    • Overview
    • Owner Letter
  • Recall 07V521000: Crankshaft Position Sensor Replacement
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • A/T - MIL ON/DTC's Set/Delayed Engagement/Hesitation
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Fuel System - SES Lamp ON/Gauge Reads Empty/DTC's Set
  • A/T - Slow/No Gear Engagement/Engine No Start
  • Computers And Controls - DTC's Set Replacing Modules
  • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
  • Cam Sensor - MIL ON/DTC's P0341, P0342, P0343 Set
  • PCM - Service Engine Lamp ON/DTC P1781 Set
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • A/T - MIL ON/DTC's Set/Delayed Engagement/Hesitation
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
    • Fuel System - SES Lamp ON/Gauge Reads Empty/DTC's Set
    • A/T - Slow/No Gear Engagement/Engine No Start
    • Computers And Controls - DTC's Set Replacing Modules
    • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
    • Cam Sensor - MIL ON/DTC's P0341, P0342, P0343 Set
    • PCM - Service Engine Lamp ON/DTC P1781 Set
  • Difficult gear selection
    • A/T - Slow/No Gear Engagement/Engine No Start
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
  • Erratic Shifting
    • A/T - MIL ON/DTC's Set/Delayed Engagement/Hesitation
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
  • False instrument warning light/gauges
    • Fuel System - SES Lamp ON/Gauge Reads Empty/DTC's Set
    • PCM - Service Engine Lamp ON/DTC P1781 Set
  • Hard Shifting
    • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
  • No shift/Incorrect gear engagement
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
    • A/T - Slow/No Gear Engagement/Engine No Start
  • Recalls
    • Recall - Crankshaft Position Sensor Replacement
      • Overview
      • Owner Letter
    • Recall 07V521000: Crankshaft Position Sensor Replacement
  • Slipping
    • A/T - Slow/No Gear Engagement/Engine No Start
  • Starting problems
    • A/T - Slow/No Gear Engagement/Engine No Start
• All Technical Service Bulletins
  • Engine Controls - Non-GM Engine/Transmission Calibration ID
    • Overview
    • Table of Contents
    • Sections
      • Section 1
      • Section 2
      • Section 3
      • Section 4
      • Section 5
      • Section 6
      • Section 7
      • Section 8
      • Section 9
      • Section 10
      • Section 11
      • Section 12 - Waranty Information
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • A/T Control - DTC P0756 Diagnostic Tips
  • A/T - MIL ON/DTC's Set/Delayed Engagement/Hesitation
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Emissions - OBDII I/M Readiness Testing
  • Engine Controls - MIL Function During I/M Testing
  • Accessories - DTC's P0300, P1380, P1381
  • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Electrical - Harness Connection Inspection
  • Fuel System - SES Lamp ON/Gauge Reads Empty/DTC's Set
  • Engine Controls - Revised DTC P1172 And P2636
  • A/T - Slow/No Gear Engagement/Engine No Start
  • Body Control - Update of Some Control Module DTC's
  • Computers And Controls - DTC's Set Replacing Modules
  • A/T - Harsh/Delayed 2nd to 1st Gear Downshift/DTC's Set
  • Engine Controls - Revised DTC P1221
  • PCM/BCM Replacement - DTC's B001/B1271/B1780 Set
  • EVAP System - Monitor Strategy
  • PCM - Returned Product Feedback Program
  • Cam Sensor - MIL ON/DTC's P0341, P0342, P0343 Set
  • Electronic Ignition System - Revised Diagnosis
  • PCM - Service Engine Lamp ON/DTC P1781 Set
  • Recall - Crankshaft Position Sensor Replacement
    • Overview
    • Owner Letter
  • Recall 07V521000: Crankshaft Position Sensor Replacement
  • A/T - Shifting/Poor Performance