Starting and Charging: Technical Service Bulletins

• Customer Interest
  • A/T - Loss of Drive or Erratic Shifts
  • HVAC System - May Intermittently Turn On
  • ABS/TCS Off MIL ON, DTCs 21, 22, 23 (Wheel Speed Sensor)
  • A/T - BTSI Solenoid Shorts RAP Relay/Dead Battery
  • Headlamps/Windshield Wipers - Dim/Slow Operation
  • Antitheft - Intermittent No Crank, Security Light ON
  • Antitheft - No Crank, Malfunctioning Pass-Key Relay
  • Radio - Poor FM Reception, Especially in 87 to 94 Mhz
  • 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
    • A/T - BTSI Solenoid Shorts RAP Relay/Dead Battery
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Customer Interest
    • A/T - Loss of Drive or Erratic Shifts
    • HVAC System - May Intermittently Turn On
    • ABS/TCS Off MIL ON, DTCs 21, 22, 23 (Wheel Speed Sensor)
    • A/T - BTSI Solenoid Shorts RAP Relay/Dead Battery
    • Headlamps/Windshield Wipers - Dim/Slow Operation
    • Antitheft - Intermittent No Crank, Security Light ON
    • Antitheft - No Crank, Malfunctioning Pass-Key Relay
    • Radio - Poor FM Reception, Especially in 87 to 94 Mhz
    • 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
    • HVAC System - May Intermittently Turn On
    • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Erratic Shifting
    • A/T - Loss of Drive or Erratic Shifts
  • False instrument warning light/gauges
    • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Inoperative
    • A/T - Loss of Drive or Erratic Shifts
  • Leaks
    • Antitheft - Intermittent No Crank, Security Light ON
  • Low, Dead battery
    • A/T - BTSI Solenoid Shorts RAP Relay/Dead Battery
  • Poor performance
    • Headlamps/Windshield Wipers - Dim/Slow Operation
    • Radio - Poor FM Reception, Especially in 87 to 94 Mhz
• All Technical Service Bulletins
  • Charging System - Low Voltage Display/Battery Discharged
  • Electrical - Manual Updates & Late Production Model
    • Overview
    • Update Change Park Avenue/Park Avenue Ultra
      • Summary
      • I/P Fuse Block/Relay Center Details
      • I/P Fuse Block Fuses 1, 2, 16, Circuit Breaker 3
      • Relay Center Fuses 5,6,7,8
      • Starting and Charging System Locator
      • Supplemental Inflatable Restraint (SIR)
    • Update Change Lesabre
      • Summary
      • I/P Fuse Block/Relay Center Details
      • I/P Fuse Block Fuses 1, 7, 8, 21, Circuit Breaker 3
      • Relay Center Fuses 3, 4
      • Relay Center Fuses 5, 6, 7, 8
      • Starting and Charging
      • Supplemental Inflatable Restraint (SIR)
      • Radio/Antenna
  • Electrical - Manual Updates & Late Production Model Info
  • Vehicle - AC Delco Locator Service, Electronics Exchange
    • Overview
    • Instrument and Display Service Centers
  • Insolation Diodes - Replacement Information
  • Electrical - Instrument Panel And General Wiring Repair
  • A/C - Revised Wiring Ground Circuit 803
  • A/T - Loss of Drive or Erratic Shifts
  • HVAC System - May Intermittently Turn On
  • ABS/TCS Off MIL ON, DTCs 21, 22, 23 (Wheel Speed Sensor)
  • 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
  • A/T - BTSI Solenoid Shorts RAP Relay/Dead Battery
  • 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
  • Headlamps/Windshield Wipers - Dim/Slow Operation
  • Antitheft - Intermittent No Crank, Security Light ON
  • Antitheft - No Crank, Malfunctioning Pass-Key Relay
  • Radio - Poor FM Reception, Especially in 87 to 94 Mhz
  • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Electrical - New Nickel Tape Shields Harnesses
  • Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
  • 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