4L60E/65E/70E- 4L80E/85E Diagnostic Code Book – ATSG



4L60E-65E-70E- 4L80E-85E Diagnostic Code Book - ATSG PDF

INTRODUCTION 4L60E, 4L65E, 4L70E- 4L80E, 4L85E DIAGNOSTIC CODE BOOK.

The GM 4L60E/65E/70E-4L80E/85E Diagnostic Code Book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer. As an aid to the technician, component location is recognized throughout the manual.

Complete diagnostics are included as well as a wealth of tips and tricks discovered over the years by the ATSG tech team.

This manual was compiled with the professional technician in mind, therefore a basic electrical knowledge is necessary, especially when it comes to vehicles equipped with a hybrid system.

INDEX

  • Preliminary Electrical Checks
  • Vehicle Identification
  • Scan Tips
  • Data Link Connector Terminal Identification
  • OBD-I Codes & Definitions
  • OBD-II Codes & Definitions
  • Code Criteria
  • Computer Locations
  • Computer Connector Configurations
  • Engine RPM Sensor – Loss of Signal
  • Engine Coolant Temperature Sensor
  • Transmission Input Speed Sensor
  • Loss of Vehicle Speed Signal (2 Wheel Drive)
  • Loss of Vehicle Speed Signal (4 Wheel Drive)
  • Four Wheel Drive Low Electrical Circuit Fault
  • Throttle Position Sensor
  • Accelerator Pedal Position Sensor (Diesel)
  • Malfunction Indicator/Service Throttle Soon Lamp Circuit Fault
  • Throttle Actuator Control (Gasoline)
  • Transmission Fluid Pressure Switch Fault
  • Transmission Range Switch Error
  • Transmission Fluid Temp Sensor Fault
  • Torque Convertor Stator Temperature Switch Fault
  • Brake Switch Circuit Malfunction
  • Torque Converter Clutch “Stuck Off”
  • Torque Converter Clutch “Stuck On”
  • TCC Enable Solenoid Electrical Circuit Fault
  • Pressure Control Solenoid Electrical Circuit Fault
  • TCC PWM Solenoid Electrical Circuit Fault
  • 3-2 Solenoid Electrical Circuit Fault
  • 1-2/2-3 Shift Solenoids Electrical Circuit Fault
  • 1-2/2-3 Shift Solenoids Performance Malfunction
  • Undefined Gear Ratio/Incorrect Gear Ratio
  • Transmission Component Slipping
  • Maximum Shift Adapt Exceeded
  • Top Dead Center Offset Error
  • System Voltage Malfunctions
  • PCM/TCM Control Module Faults
  • Traction Control Circuit Active
  • Transmission Preference Switch (Tow/Haul) Circuit Input Low
  • Auxiliary Transmission Fluid Pump Relay Circuit Fault
  • Shift Stabilization
  • Second Gear Start Switch
  • Performance Mode Switch
  • Cruise Control Input
  • “U” Codes Definitions
  • Diagnostic Tips
  • Acronyms/Diagnostic Equipment Manufactures/Electrical Values
  • Electrical Equations

Language: English
Format: PDF
Pages: 185
Size: 3.88 Mb
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