Section 62 (Automatic Transmission Diagnosis - 4L80-E (Diesel))
WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis 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
- 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
- DTC P0218: Transmission Fluid OVERTEMPERATURE
- DTC P0560: System Voltage - High/Low
- 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: ISS Sensor Circuit - Low Input
- DTC P0719: Brake Switch Circuit - Low Input
- DTC P0722: OSS Sensor Circuit - Low Input
- DTC P0723: OSS Sensor Circuit - Intermittent
- 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 P0753: 1-2 Shift Solenoid Valve Circuit - Electrical Malfunction
- DTC P0756: 2-3 Shift Solenoid Valve - Performance
- DTC P0758: 2-3 Shift Solenoid Valve Circuit - Electrical Malfunction
- DTC P1810: TFP Manual Valve Position Switch Assembly - Circuit Malfunction
- DTC P1811: Maximum Adapt & Long Shift
- DTC P1860: TCC PWM Solenoid Circuit - Electrical Malfunction
- DTC P1870: Transmission Component Slipping
- Symptom Tests
- Component Tests
- Removal & Installation
- Torque Specifications
- Electronic Component Specifications
- Connector Identification
- Wiring Diagrams