Section 1788 (Automatic Transmission - 4L60-E/4L65-E (Diagnosis))
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Transmission Fluid Temperature (TFT) Sensor Specifications
- Fastener Tightening Specifications
- Transmission General Specifications
- Fluid Capacity Specifications
- Range Reference
- Shift Solenoid Valve State and Gear Ratio
- Torque Converter End Play Specifications
- Shift Speed
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic
- Transmission Range Switch Logic
- Line Pressure
- Component Resistance
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Automatic Transmission
- Diagnostic System Check - Automatic Transmission
- Scan Tool Output Controls
- Transmission Scan Tool Data List (4.2L)
- Transmission Scan Tool Data List (5.3L)
- Transmission Scan Tool Data Definitions (4.2L)
- Transmission Scan Tool Data Definitions (5.3L)
- Diagnostic Trouble Code (DTC) Type Definitions
- Diagnostic Trouble Code (DTC) List/Type
- DTC P0218 (4.2L): Transmission Fluid Overtemperature
- DTC P0218 (5.3L): Transmission Fluid Overtemperature
- DTC P0502 (4.2L): Vehicle Speed Sensor (VSS) Circuit Low Input
- DTC P0502 (5.3L): Vehicle Speed Sensor (VSS) Circuit Low Input
- DTC P0503 (4.2L): Vehicle Speed Sensor (VSS) Circuit Intermittent
- DTC P0503 (5.3L): Vehicle Speed Sensor (VSS) Circuit Intermittent
- DTC P0705 (4.2L): Transmission Range (TR) Switch Circuit
- DTC P0706 (5.3L): Transmission Range (TR) Switch Circuit
- DTC P0711 (4.2L): TFT Sensor Circuit Range/Performance
- DTC P0711 (5.3L): TFT Sensor Circuit Range/Performance
- DTC P0712 (4.2L): Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
- DTC P0712 (5.3L): Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
- DTC P0713 (4.2L): Transmission Fluid Temperature (TFT) Sensor Circuit High Input
- DTC P0713 (5.3L): Transmission Fluid Temperature (TFT) Sensor Circuit High Input
- DTC P0719 (4.2L): Brake Switch Circuit Low Input
- DTC P0719 (5.3L): Brake Switch Circuit Low Input
- DTC P0724 (4.2L): Brake Switch Circuit High Input
- DTC P0724 (5.3L): Brake Switch Circuit High Input
- DTC P0740 (4.2L): TCC Enable Solenoid Circuit Electrical
- DTC P0740 (5.3L): TCC Enable Solenoid Circuit Electrical
- DTC P0741 (4.2L): Torque Converter Clutch (TCC) System-Stuck Off
- DTC P0741 (5.3L): Torque Converter Clutch (TCC) System-Stuck Off
- DTC P0742 (4.2L): TCC System Stuck On
- DTC P0742 (5.3L): TCC System Stuck On
- DTC P0748 (4.2L): Pressure Control Solenoid Circuit Electrical
- DTC P0748 (5.3L): Pressure Control Solenoid Circuit Electrical
- DTC P0751 (4.2L): 1-2 Shift Solenoid Valve Performance
- DTC P0751 (5.3L): 1-2 Shift Solenoid Valve Performance
- DTC P0752 (4.2L): 1-2 Shift Solenoid (SS) Valve Performance - No Second Or Third Gear
- DTC P0752 (5.3L): 1-2 Shift Solenoid (SS) Valve Performance - No Second Or Third Gear
- DTC P0753 (4.2L): 1-2 Shift Solenoid Circuit Electrical
- DTC P0753 (5.3L): 1-2 Shift Solenoid Circuit Electrical
- DTC P0756 (4.2L): 2-3 Shift Solenoid Valve Performance
- DTC P0756 (5.3L): 2-3 Shift Solenoid Valve Performance
- DTC P0757 (4.2L): 2-3 Shift Solenoid (SS) Valve Performance - No Third Or Fourth Gear
- DTC P0757 (5.3L): 2-3 Shift Solenoid (SS) Valve Performance - No Third Or Fourth Gear
- DTC P0758 (4.2L): 2-3 Shift Solenoid Circuit Electrical
- DTC P0758 (5.3L): 2-3 Shift Solenoid Circuit Electrical
- DTC P0785 (4.2L): 3-2 Shift Solenoid Circuit Electrical
- DTC P0785 (5.3L): 3-2 Shift Solenoid Circuit Electrical
- DTC P0894 (5.3L): Transmission Component Slipping
- DTC P1810 (4.2L): TFP Valve Position Switch Circuit
- DTC P1810 (5.3L): TFP Valve Position Switch Circuit
- DTC P1860 (4.2L): TCC PWM Solenoid Circuit Electrical
- DTC P1860 (5.3L): TCC PWM Solenoid Circuit Electrical
- DTC P1870 (4.2L):
- DTC P1875 (5.3L):
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range (4.2L)
- Range Selector Displays Incorrect Range (5.3L)
- Transmission Fluid Checking Procedure
- Line Pressure Check Procedure
- Road Test Procedure
- Torque Converter Diagnosis Procedure
- Flexplate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Automatic Transmission Oil Cooler Flushing and Flow Test
- Transmission Overheats
- Oil Pressure High or Low
- Harsh Shifts
- Inaccurate Shift Points
- First Gear Range Only - No Upshift
- Slips in First Gear
- Slipping or Harsh 1-2 Shift
- No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
- Second/Third Gear Only or First/Fourth Gears Only
- No First or Second Gear/No Third or Fourth Gear
- No Second Gear, No Fourth Gear, and No Reverse Gear
- Third Gear Only
- 3-2 Flare or Tie-Up
- No 3-4 Shift, Slips or Rough 3-4 Shift
- No Reverse or Slips in Reverse
- No Part Throttle or Delayed Downshifts
- Harsh Garage Shift
- No Overrun Braking - Manual 3-2-1
- No Torque Converter Clutch (TCC) Apply (300 RPM Slip)
- Torque Converter Clutch (TCC) Shudder
- No Torque Converter Clutch (TCC) Release
- Torque Converter Clutch (TCC) Slip - 100 RPM Slip
- Torque Converter Clutch (TCC) Slip with Stall/Stumble
- Torque Converter Clutch (TCC) Intermittent - OK Cold/Slips Hot
- No Fourth Gear, or Slips in Fourth Gear
- Slip/Flare in Any Gear
- No Third Gear
- Drives in Neutral
- Second Gear Start
- No Park
- Oil Out the Vent
- Vibration in Reverse and Whining Noise in Park
- Ratcheting Noise
- Popping Noise
- Whine Noise Varying with RPM or Fluid Pressure
- Buzz Noise or High Frequency Rattle Sound
- Noise in Random Ranges
- No Drive in All Ranges
- No Drive in Drive Range
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Engine Starts in Gear
- Delay in Drive and Reverse
- Lack of Power or Hesitation
- Description and Operation
- Transmission General Information
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission Component and System Description
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- 1-2 and 2-3 Shift Solenoid Valves
- 3-2 Shift Solenoid Valve Assembly
- Transmission Pressure Control Solenoid
- Torque Converter Clutch Solenoid Valve
- Torque Converter Clutch Pulse Width Modulation Solenoid Valve
- Transmission Fluid Pressure (TFP) Manual Valve Position Switch
- Vehicle Speed Sensor Assembly
- Automatic Transmission Fluid Temperature Sensor
- Transmission Range Switch
- Automatic Transmission Inline 20-Way Connector Description