Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Recall - Potential Loss of Headlights
    • Overview
    • Condition, Dealer Action and Vehicles Involved
    • Owner Notification, Dealer Information and Parts Information
    • Service Procedure and Credit
    • Owner Notification Letter
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • O2 Sensor - DFI Codes 13 and 45
  • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
  • Engine - Intermittent Cooling System Codes
  • Service Soon Lamp - Flickering/Codes E47 or F32 Set
  • Engine Control - Intermittent or Hard Code E59/E059
  • Intermittent Codes E047, B333, B334, B335, B336/B337
    • Overview
    • Diagnosis:
    • Condition Present:
    • Condition Not Present:
  • Electrical - Multiple Malfunctions/Codes Set
  • BCM - Codes B120,1,2,3/`XX SECONDS DELAY' Message on DIC
  • Speedometer - Reads Fast
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • ECM - Tap Test Precautions
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • O2 Sensor - DFI Codes 13 and 45
    • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
    • Engine - Intermittent Cooling System Codes
    • Service Soon Lamp - Flickering/Codes E47 or F32 Set
    • Engine Control - Intermittent or Hard Code E59/E059
    • Intermittent Codes E047, B333, B334, B335, B336/B337
      • Overview
      • Diagnosis:
      • Condition Present:
      • Condition Not Present:
    • Electrical - Multiple Malfunctions/Codes Set
    • BCM - Codes B120,1,2,3/`XX SECONDS DELAY' Message on DIC
    • Speedometer - Reads Fast
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine - Detonation (Pinging), Slight Tip-in Hesitation
    • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
    • Engine Control - Intermittent or Hard Code E59/E059
  • Erratic Operation
    • Instruments - IP/DIC Displays Flicker, Turn OFF/DTC E047
    • Service Soon Lamp - Flickering/Codes E47 or F32 Set
    • Intermittent Codes E047, B333, B334, B335, B336/B337
      • Overview
      • Diagnosis:
      • Condition Present:
      • Condition Not Present:
    • BCM - Codes B120,1,2,3/`XX SECONDS DELAY' Message on DIC
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Engine Conrtols - Code E39 Viscous Converter Clutch
      • Overview
      • I. Code E39
      • II. Diagnosis
      • III. Cooler Line Pressure Check
      • IV. Converter Clutch Apply Valve Does Not Move
      • V.Viscous Converter Clutch Slippage
    • Instruments - IP/DIC Displays Flicker, Turn OFF/DTC E047
    • Intermittent Codes E047, B333, B334, B335, B336/B337
      • Overview
      • Diagnosis:
      • Condition Present:
      • Condition Not Present:
    • BCM - Codes B120,1,2,3/`XX SECONDS DELAY' Message on DIC
    • Speedometer - Reads Fast
  • Inoperative
    • Electrical - Multiple Malfunctions/Codes Set
  • Noise
    • Engine - Detonation (Pinging), Slight Tip-in Hesitation
  • Recalls
    • Recall - Potential Loss of Headlights
      • Overview
      • Condition, Dealer Action and Vehicles Involved
      • Owner Notification, Dealer Information and Parts Information
      • Service Procedure and Credit
      • Owner Notification Letter
  • Shorted/Open circuit
    • Service Soon Lamp - Flickering/Codes E47 or F32 Set
  • Slipping
    • Engine Conrtols - Code E39 Viscous Converter Clutch
      • Overview
      • I. Code E39
      • II. Diagnosis
      • III. Cooler Line Pressure Check
      • IV. Converter Clutch Apply Valve Does Not Move
      • V.Viscous Converter Clutch Slippage
  • Starting problems
    • Electrical - No Start Or No Crank With BCM Code 334
    • Engine Control - Intermittent or Hard Code E59/E059
• All Technical Service Bulletins
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Detonation (Pinging), Slight Tip-in Hesitation
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • O2 Sensor - DFI Codes 13 and 45
  • Electrical - No Start Or No Crank With BCM Code 334
  • Engine Conrtols - Code E39 Viscous Converter Clutch
    • Overview
    • I. Code E39
    • II. Diagnosis
    • III. Cooler Line Pressure Check
    • IV. Converter Clutch Apply Valve Does Not Move
    • V.Viscous Converter Clutch Slippage
  • Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
  • Engine - Intermittent Cooling System Codes
  • Instruments - IP/DIC Displays Flicker, Turn OFF/DTC E047
  • Service Soon Lamp - Flickering/Codes E47 or F32 Set
  • ECM/BCM 32-Way Connector - Labeling Clarification
  • Engine Control - Intermittent or Hard Code E59/E059
  • Intermittent Codes E047, B333, B334, B335, B336/B337
    • Overview
    • Diagnosis:
    • Condition Present:
    • Condition Not Present:
  • Electrical - Multiple Malfunctions/Codes Set
  • ECM/PCM - Driveability Symptom/Data Worksheet
  • BCM - Codes B120,1,2,3/`XX SECONDS DELAY' Message on DIC
  • ECM - Tap Test Precautions
  • ECM/PCM - Potential MEM-CAL Damage
  • Oxygen Sensors - Silica Contamination
  • Speedometer - Reads Fast
  • BCM - Ordering Replacement EEPROMs For BCM
  • Recall - Potential Loss of Headlights
    • Overview
    • Condition, Dealer Action and Vehicles Involved
    • Owner Notification, Dealer Information and Parts Information
    • Service Procedure and Credit
    • Owner Notification Letter
  • BCM EPROM - Calibration Summary
  • PROM/MEMCAL - Identification Marks