Powertrain Management: Technical Service Bulletins

• Recalls
  • Campaign - BCM EPROM Replacement
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Fuel - Pressure Loss, Won't Stay Running, Won't Restart
  • Oil Pressure Sensor Wiring - Intermittent DTC B131
  • A/T - TCC Engages In 2nd Gear
  • Camshaft Sensor Interrupter - Broken (No Start Code)
  • Engine - Intermitent MIL ON/Cold Start Stalling
  • ECM - MIL ON/False Code 32/or False Code E032
  • Low Engine Oil Pressure System - Malfunction
  • Exhaust - Sulfur Odor
  • Engine - Miss, Hesitation, or Roughness
  • Oil Pressure Warning Light - Comes ON
  • Engine Controls - Intermittent Codes E047/B332 to B337
  • Engine - No Start and/or Poor Driveability
  • Connector Terminals - Contact Checking Procedure
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Camshaft Sensor Interrupter - Broken (No Start Code)
    • Engine - No Start and/or Poor Driveability
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Fuel - Pressure Loss, Won't Stay Running, Won't Restart
    • Oil Pressure Sensor Wiring - Intermittent DTC B131
    • A/T - TCC Engages In 2nd Gear
    • Camshaft Sensor Interrupter - Broken (No Start Code)
    • Engine - Intermitent MIL ON/Cold Start Stalling
    • ECM - MIL ON/False Code 32/or False Code E032
    • Low Engine Oil Pressure System - Malfunction
    • Exhaust - Sulfur Odor
    • Engine - Miss, Hesitation, or Roughness
    • Oil Pressure Warning Light - Comes ON
    • Engine Controls - Intermittent Codes E047/B332 to B337
    • Engine - No Start and/or Poor Driveability
    • Connector Terminals - Contact Checking Procedure
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Fuel - Pressure Loss, Won't Stay Running, Won't Restart
    • Engine - Intermitent MIL ON/Cold Start Stalling
    • Engine - Miss, Hesitation, or Roughness
    • Fuel - Effect of Fuel Volatility On Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Fuel System - TOP TIER Detergent Gasoline
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Engine - Intermitent MIL ON/Cold Start Stalling
    • ECM - MIL ON/False Code 32/or False Code E032
    • Low Engine Oil Pressure System - Malfunction
    • Oil Pressure Warning Light - Comes ON
    • PCM - Intermittent False Trouble Code 32
  • High emissions
    • I/M 240 Repairs - Obtaining Technical Assistance
  • Inoperative
    • Oil Pressure Sensor Wiring - Intermittent DTC B131
    • Camshaft Sensor Interrupter - Broken (No Start Code)
    • Engine - No Start and/or Poor Driveability
  • Low, Dead battery
    • Battery - Revised Ammeter Connecting (Parasitic Drain)
  • No shift/Incorrect gear engagement
    • A/T - TCC Engages In 2nd Gear
  • Odors
    • Exhaust - Sulfur Odor
  • Poor performance
    • Fuel - Effect of Fuel Volatility On Driveability
    • Fuel System - TOP TIER Detergent Gasoline
  • Recalls
    • Campaign - BCM EPROM Replacement
  • Starting problems
    • Fuel - Pressure Loss, Won't Stay Running, Won't Restart
    • Electrical - No Start Or No Crank With BCM Code 334
    • Fuel - Effect of Fuel Volatility On Driveability
    • Fuel System - TOP TIER Detergent Gasoline
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Fuel System - Fuel Injector Maintenance Cleaning
  • Fuel System - GM Fuel System Treatment PLUS(R) Info.
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • I/M 240 Repairs - Obtaining Technical Assistance
  • Fuel - Pressure Loss, Won't Stay Running, Won't Restart
  • Fuel - Pump Replacement Caution, Strainer
  • Oil Pressure Sensor Wiring - Intermittent DTC B131
  • A/T - TCC Engages In 2nd Gear
  • MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64
  • Tools - New Fuel Injection Tester
  • Tools - Introduction Of The Fuel Injector Tester
  • Camshaft Sensor Interrupter - Broken (No Start Code)
  • Oxygen Sensors - Silica Contamination
  • Body Computer Module - Location
  • Body Computer Module - Location Update
  • BCM - Ordering Replacement EEPROMs For BCM
  • Body Computer Module - EE PROM Exchange Procedure
  • Campaign - BCM EPROM Replacement
  • Instruments - Intermittent Message On DIC or Erratic A/C
  • Battery - Revised Ammeter Connecting (Parasitic Drain)
  • Electrical - No Start Or No Crank With BCM Code 334
  • Engine Controls - Use of Crank Sensor Adjusting Tool
  • Engine - Intermitent MIL ON/Cold Start Stalling
  • ECM - MIL ON/False Code 32/or False Code E032
  • Low Engine Oil Pressure System - Malfunction
  • Fuel - Feed/Return Pipe Repairs
  • Exhaust - Sulfur Odor
  • Engine - Miss, Hesitation, or Roughness
  • Ignition System - Service Manual Revision
    • Overview
    • Chart A-3 Engine Cranks But Won't Run "Type I C(3)I" (VIN 3 & B)
    • Chart A-3 Engine Cranks But Won't Run "Type II C(3)I" (VIN 3 & B)
    • Chart C-4F-1 C(3)I Misfire At Idle (VIN 3 & B)
    • Chart C-4F-2 C(3)I Misfire Under Load (VIN 3 & B)
    • Chart A-3 Engine Cranks But Won't Run (VIN L)
    • Chart C-4F-1 C(3)I Misfire At Idle (VIN L)
    • Chart C-4F-2 C(3)I Misfire Under Load (VIN L)
    • Chart A-3 Engine Cranks But Won't Run (VIN 7)
    • Chart C-4F-1 C(3)I Misfire At Idle (VIN 7)
    • Chart C-4F-2 C(3)I Misfire Under Load (VIN 7)
  • Oil Pressure Warning Light - Comes ON
  • Emissions Testing Vehicle Preconditioning
  • Enhanced IM240 Program - Implementation Plan
  • Emission - Enhanced Inspection Maintenance Programs
  • I/M 240 Program - Equipment Purchase
  • I/M Emissions Diagnostic Manual -Program
  • Enhanced Emission I/M - Program Update
  • Enhanced Emission Inspection Maintenance - Equipment
  • EVAP System - Service of Connectors
  • Engine Controls - Intermittent Codes E047/B332 to B337
  • PCM - Intermittent False Trouble Code 32
  • Stall Diagnosis Guidelines - Available
    • Overview
    • Stall Diagnosis Supplement
      • Overview
      • Special Coverage
      • Vehicles Involved
      • Owner, Parts, Reimbursement, and Training Info.
      • Service Procedure
      • Warranty Information
      • Owner Letter
  • Engine Controls - Damage to Wiring Terminals
  • Engine - No Start and/or Poor Driveability
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • Engine Controls - Codes E047/B332/B334/B335/B336/B337
  • Connector Terminals - Contact Checking Procedure
  • PROM/MEMCAL - Identification Marks
  • Fuel System - Fuel Additive
  • Fuel Injection System - Recommended Fuels
  • Fuel Injectors - Fuel Recommendations
  • Fuel - How Fuel Economy Is Determined
  • Fuel - Reformulated/Oxygenated Gasolines
  • Fuel - Use of MTBE At 15% or Less In Gasolines
  • Fuel - Effect of Fuel Volatility On Driveability
  • Fuel System - Recommended Fuels
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Fuel System - E85 Fuel Usage Precaution
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Fuel System - TOP TIER Detergent Gasoline (Canada)
  • Fuel System - TOP TIER Detergent Gasoline