Automatic Transmission - Diagnosis - 4L80-E
- Application
- Description
- Operation
- Trouble Shooting
- Electronic Self-Diagnostics
- Diagnostic Charts
- Notes
- Chart A-1, No Mil (Service Engine Soon) Light
- Chart A-2, No ALDL Data, No DTC 12 Or Mil (Service Engine Soon) Light On
- DTC 14, Coolant Temperature Sensor High Temperature Indicated (Signal Voltage Low)
- DTC 15, Coolant Temperature Sensor Low Temperature Indicated (Signal Voltage High)
- DTC 21, Throttle Position Sensor Signal Voltage High
- DTC 21/22, Throttle Position Sensor Signal Voltage Low/High (1994) Diesel
- DTC 22, Throttle Position Sensor Signal Voltage Low
- DTC 24, Output Speed Sensor Low (1993 2WD)
- DTC 24, Output Speed Sensor Low (1993 4WD)
- DTC 24 & DTC 72, Vehicle Speed Sensor (Output Speed Signal Low) & (Output Speed Signal Loss) 1994
- DTC 28, Pressure Switch Manifold (PSM) Assembly Fault (1993)
- DTC 28, Pressure Switch Manifold (PSM) Assembly Fault (1994)
- DTC 37 & 38, TCC Brake Switch Stuck On Or Off (1994)
- DTC 39, Torque Converter Clutch Stuck Off (1993)
- DTC 39, Torque Converter Clutch Stuck Off (1994)
- DTC 51, Prom Problem
- DTC 52 & 53, Long System Voltage High Or System Voltage High (1994)
- DTC 53, System Voltage High (1993)
- DTC 58, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1993
- DTC 58, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1994
- DTC 59, Transmission Fluid Temperature Sensor Circuit (Low Temperature Indicated) 1993
- DTC 59, Transmission Fluid Temperature Sensor Circuit (Low Temperature Indicated) 1994
- DTC 63 & 64, Barometric Pressure Sensor Circuit High Or Low (1994) Diesel
- DTC 68, Overdrive Ratio Error (1993)
- DTC 68, Overdrive Ratio Error (1994)
- DTC 69, Torque Converter Clutch (TCC) Stuck On (1994)
- DTC 71, Camshaft Position Sensor Circuit Low (1994) Diesel
- DTC 73, Force Motor Current (Current Error) 1993
- DTC 73, Force Motor Current (Current Error) 1994
- DTC 74, Input Speed Sensor Circuit (1994)
- DTC 75, System Voltage Low (1993)
- DTC 75, System Voltage Low (1994)
- DTC 79, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1994
- DTC 81, Solenoid "B" Circuit Fault (1993)
- DTC 81, Solenoid "B" Circuit Fault (1994)
- DTC 82, Solenoid "A" Circuit Fault (1993)
- DTC 82, Solenoid "A" Circuit Fault (1994)
- DTC 83, TCC Solenoid Circuit Fault (1993)
- DTC 83, TCC Solenoid Circuit Fault (1994)
- DTC 85, Undefined Gear Ratio (1993)
- DTC 85, Undefined Gear Ratio (1994)
- DTC 86, Low Gear Ratio (1993)
- DTC 86, Low Gear Ratio (1994)
- DTC 87, High Gear Ratio (1993)
- DTC 87, High Gear Ratio (1994)
- Component Test Charts (No Codes)
- Wiring Diagrams