Starting and Charging: Technical Service Bulletins

• Customer Interest
  • Charging System - Very Low/Completely Dead Battery
  • Electrical - No Start/Low Battery/Bad Dash Lights/DTC 24
  • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • Starter - Grinds/Clashes When Attempting to Crank
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Electrical - MIL ON/DTC's Set By Various Control Modules
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Customer Interest
    • Charging System - Very Low/Completely Dead Battery
    • Electrical - No Start/Low Battery/Bad Dash Lights/DTC 24
    • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
    • Starter - Grinds/Clashes When Attempting to Crank
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Erratic Operation
    • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • False instrument warning light/gauges
    • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • Loose
    • Engine - Generator Belt Tension
  • Low power/performance
    • Battery - Charging Precautions
      • Overview
      • Charging Time Required
      • Charging Procedure
      • Battery Replacement Summary
  • Low, Dead battery
    • Charging System - Very Low/Completely Dead Battery
    • Battery - Charging Precautions
      • Overview
      • Charging Time Required
      • Charging Procedure
      • Battery Replacement Summary
    • Battery - Parasitic Draw Test
  • Noise
    • Starter - Grinds/Clashes When Attempting to Crank
  • Starting problems
    • Electrical - No Start/Low Battery/Bad Dash Lights/DTC 24
    • Battery - Parasitic Draw Test
• All Technical Service Bulletins
  • Charging System - Very Low/Completely Dead Battery
  • Vehicle - AC Delco Locator Service, Electronics Exchange
    • Overview
    • Instrument and Display Service Centers
  • Electrical - No Start/Low Battery/Bad Dash Lights/DTC 24
  • Electrical - Instrument Panel And General Wiring Repair
  • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • A/T - THM 700-R4 New Harness/Solenoid Assembly
  • ECM - Packard 32 Way Connector Identification
  • Battery - Charging Precautions
    • Overview
    • Charging Time Required
    • Charging Procedure
    • Battery Replacement Summary
  • Battery - Parasitic Current Drain Diagnosis
  • 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 Draw Test
  • Updated Battery Replacement Catalog Numbers
  • Warranty - New Vehicle/Replacement Battery
    • Overview
    • New Vehicle Receiving and Inspection
    • Battery Protection During Vehicle Storage
    • Battery Warranties
    • Battery Replacement/Warranty Claim Submission Procedures
  • Battery - Insulator Replacement & Caution
  • Tools - Released for CS Generator Diagnosis
  • Engine - Generator Belt Tension
  • Generator - Terminal Descriptions & Revised Wiring
  • Starter - Grinds/Clashes When Attempting to Crank
  • Isolation Diodes - Replacement Information
  • Electrical - New Nickel Tape Shields Harnesses
  • Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
  • Electrical Connectors - Service Procedure
  • Electrical - Aftermarket Fuse Warning
  • 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