Section 59 (Automatic Transmission Diagnosis - 4L80-E)
WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 Chevrolet Suburban, and 2002 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Application
- Identification
- Description & Operation
- Introduction
- Adapt Function
- Transmission Components & Systems
- Electronic Components
- Notes
- Torque Converter Clutch Solenoid Valve
- Pressure Control Solenoid Valve
- 1-2 Shift Solenoid Valve
- 2-3 Shift Solenoid Valve
- Transmission Fluid Pressure Manual Valve Position Switch Assembly
- Input Speed & Output Speed Sensors
- Transmission Fluid Temperature Sensor Assembly
- Transmission Range Switch
- Transmission 20-Way In-Line Electrical Connector
- Powertrain Control Module
- Limp-In Mode
- Electronic Control System
- Shift Interlock System
- Trouble Shooting
- Performance Tests
- Self-Diagnostic System
- Diagnostic Tests
- DTC B2722: Transmission Preference Switch Circuit - Low Input
- DTC P0218: Transmission Fluid OVERTEMPERATURE
- DTC P0502: VSS Circuit - Low Input
- DTC P0503: VSS Circuit - Intermittent
- DTC P0706: Transmission Range Switch Circuit - Low Input
- DTC P0711: Transmission Fluid Temperature Sensor Circuit - Range/Performance
- DTC P0712: Transmission Fluid Temperature Sensor Circuit - Low Input
- DTC P0713: Transmission Fluid Temperature Sensor Circuit - High Input
- DTC P0716: Input Speed Sensor Circuit - Intermittent
- DTC P0717: Input Speed Sensor Circuit - Low Input
- DTC P0719: Brake Switch Circuit - Low Input
- DTC P0724: Brake Switch Circuit - High Input
- DTC P0730: Incorrect Gear Ratio
- DTC P0741: TCC System - Stuck Off
- DTC P0742: TCC System Stuck On
- DTC P0748: Pc Solenoid Circuit - Electrical Malfunction
- DTC P0751: 1-2 Shift Solenoid Valve - Performance
- DTC P0752: 1-2 Shift Solenoid Valve - Performance
- DTC P0753: 1-2 Shift Solenoid Valve - Electrical Malfunction
- DTC P0756: 2-3 Shift Solenoid Valve - Performance
- DTC P0757: 2-3 Shift Solenoid Valve - Performance
- DTC P0758: 2-3 Shift Solenoid Valve - Electrical Malfunction
- DTC P1810: TFP Manual Valve Position Switch Assembly - Circuit Malfunction
- DTC P1860: TCC PWM Solenoid Circuit - Electrical Malfunction
- DTC P1870: Transmission Component Slipping
- DTC P1875: 4WD Low Switch Circuit - Electrical Malfunction
- Symptom Tests
- Component Tests
- Removal & Installation
- Torque Specifications
- Electronic Component Specifications
- Connector Identification
- Wiring Diagrams