Starting and Charging: Technical Service Bulletins

• Customer Interest
  • Starting System - Engine No Start/No Crank Condition
  • BCM - Security Lamp ON/No Crank/DTC's Set
  • OnStar(R) - System Inoperative/No LED Lamp ON
  • Ignition - Key Stuck In Ignition Switch/Won't Turn
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Electrical - MIL ON/DTC's Set By Various Control Modules
• By Symptom
  • Abnormal wear/deterioration
    • BCM - Security Lamp ON/No Crank/DTC's Set
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Customer Interest
    • Starting System - Engine No Start/No Crank Condition
    • BCM - Security Lamp ON/No Crank/DTC's Set
    • OnStar(R) - System Inoperative/No LED Lamp ON
    • Ignition - Key Stuck In Ignition Switch/Won't Turn
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Inoperative
    • OnStar(R) - System Inoperative/No LED Lamp ON
  • Starting problems
    • Starting System - Engine No Start/No Crank Condition
  • Sticking/Binding
    • Ignition - Key Stuck In Ignition Switch/Won't Turn
• All Technical Service Bulletins
  • Charging System - Low Voltage Display/Battery Discharged
  • Starting System - Engine No Start/No Crank Condition
  • Electrical - Harness Connection Inspection
  • Electrical - Instrument Panel And General Wiring Repair
  • BCM - Security Lamp ON/No Crank/DTC's Set
  • Battery - Diagnosis and Charging
    • Overview
    • I.Battery Storage In Vehicle
    • II. Warranty Policy
    • III. Testing the Battery
    • IV. Diagnosing Discharged Batteries and Parasitic Battery Drains
    • V.Battery Charging
  • Battery - Parasitic Drain
  • Battery - Specification Label Clarification
  • OnStar(R) - System Inoperative/No LED Lamp ON
  • Ignition - Key Stuck In Ignition Switch/Won't Turn
  • Electrical - Aftermarket Fuse Warning
  • Starting System - Starter Cranks After Key Released
  • Electrical - Battery Charging Tips/Recommendations
  • Battery/Charging System - Electrical Diagnostics Info.
  • Remote Starting System - System Inoperative Diagnostics
  • Electrical - Reducing Intermittent Electrical Concerns
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Locks - Key Code Security Rules, Key Code Look Up
  • Electrical - Ground Repair Information