Starting and Charging: Technical Service Bulletins

• Customer Interest
  • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • Battery - Dead Due to Excessive Current Draw
  • Backup Lamps/Tailgate Window Release - Inoperative
  • Starter Motor - Grinding Noise/Fails to Engage
  • Charging - Low Voltage Reading Or Dim Lights At Idle
  • 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
    • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
    • Battery - Dead Due to Excessive Current Draw
    • Backup Lamps/Tailgate Window Release - Inoperative
    • Starter Motor - Grinding Noise/Fails to Engage
    • Charging - Low Voltage Reading Or Dim Lights At Idle
    • 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
    • Charging - Low Voltage Reading Or Dim Lights At Idle
  • False instrument warning light/gauges
    • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
    • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Inoperative
    • Backup Lamps/Tailgate Window Release - Inoperative
  • Low, Dead battery
    • Parasitic Drain Ammeter - Connection Procedure Revised
    • Battery - Dead Due to Excessive Current Draw
  • Noise
    • Starter Motor - Grinding Noise/Fails to Engage
  • Starting problems
    • Battery - Dead Due to Excessive Current Draw
    • Starter Motor - Grinding Noise/Fails to Engage
• All Technical Service Bulletins
  • Charging System - Low Voltage Display/Battery Discharged
  • Electrical - Piercing Wire Insulation During Diagnosis
  • Vehicle - AC Delco Locator Service, Electronics Exchange
    • Overview
    • Instrument and Display Service Centers
  • Electrical - Instrument Panel And General Wiring Repair
  • A/C - Erratic HVAC Operation & Self Diagnostic Blinks
  • Parasitic Drain Ammeter - Connection Procedure Revised
  • 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 - Dead Due to Excessive Current Draw
  • 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
  • Battery - Testing Equipment Explained
  • Tools - Released for CS Generator Diagnosis
  • Backup Lamps/Tailgate Window Release - Inoperative
  • Starter Motor - Grinding Noise/Fails to Engage
  • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Electrical - New Nickel Tape Shields Harnesses
  • Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
  • Electrical Connector - Terminal Checking Procedure
  • Electrical - Aftermarket Fuse Warning
  • Electrical - Battery Charging Tips/Recommendations
  • 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