Section 102 (Automatic Transmission Diagnosis - 4L60-E)
WARNING: This page does not describe the selected car, but rather 36 other vehicles, including the 2002 Pontiac Firebird, 2002 Oldsmobile Bravada, 2002 GMC Yukon XL, 2002 GMC Yukon, and 2002 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
- Application
- Identification
- Description & Operation
- Notes
- Introduction
- Adapt Function
- Transmission Components & Systems
- Electronic Components
- 1-2 & 2-3 Shift Solenoid Valves
- 3-2 Shift Solenoid Valve Assembly
- Pressure Control Solenoid
- Torque Converter Clutch Solenoid Valve
- Torque Converter Clutch Pulse Width Modulation Solenoid Valve
- Transmission Fluid Pressure Manual Valve Position Switch
- Vehicle Speed Sensor Assembly
- Transmission Fluid Temperature Sensor
- Transmission Range Switch
- Transmission In-Line 20-Pin Electrical Connector
- Powertrain Control Module
- Limp-In Mode
- Electronic Control System
- Shift Interlock System
- Component Locations
- Trouble Shooting
- Performance Tests
- Road Test
- Notes
- Electrical Function Check
- Upshift Control & Torque Converter Clutch Apply
- Part Throttle Detent Downshift
- Full Throttle Detent Downshift
- Manual Downshifts
- Manual 4-3 Downshift
- Manual 4-2 Downshift
- Manual 4-1 Downshift
- Coasting Downshifts
- Manual Gear Range Selection
- Reverse
- Manual First
- Manual Second
- Manual Third
- Shift Speed Specifications
- Torque Converter Diagnosis
- Hydraulic Pressure Tests
- Clutch & Servo Air Checks
- Road Test
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC P0218: Transmission Fluid OVERTEMPERATURE
- DTC P0502: VSS Circuit - Low Input
- DTC P0503: VSS Circuit - Intermittent
- DTC P0705: Transmission Range Sensor Circuit
- DTC P0706: Transmission Range Switch Performance
- DTC P0711: TFT Sensor Circuit - Range/Performance
- DTC P0712: TFT Sensor Circuit - Low Input
- DTC P0713: TFT Sensor Circuit - High Input
- DTC P0719: Brake Switch Circuit - Low Input
- DTC P0724: Brake Switch Circuit - High Input
- DTC P0740: TCC Enable Solenoid Circuit - Electrical Malfunction
- DTC P0741: TCC Circuit Performance Or Stuck Off
- DTC P0742: TCC System - Stuck On
- DTC P0748: Pressure Control Solenoid Circuit - Electrical Malfunction
- DTC P0751: 1-2 Shift Solenoid Performance Or Stuck Off
- DTC P0752: 1-2 Shift Solenoid Stuck On
- DTC P0753: 1-2 Shift Solenoid Circuit - Electrical Malfunction
- DTC P0756: 2-3 Shift Solenoid Performance Or Stuck Off
- DTC P0757: 2-3 Shift Solenoid Stuck On
- DTC P0758: 2-3 Shift Solenoid Circuit - Electrical Malfunction
- DTC P0785: 3-2 Shift Solenoid Circuit - Electrical Malfunction
- DTC P1810: TFP Manual Valve Position Switch - Circuit Malfunction
- DTC P1860: TCC PWM Solenoid Electrical Malfunction
- DTC P1870: Transmission Component Slipping
- DTC P1875: 4WD Low Switch Circuit - Electrical Malfunction
- Symptom Tests
- Component Tests
- Electronic Component Specifications
- Connector Identification
- Wiring Diagrams