These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.

TFP Valve Position Switch Drive Without Drive Ratio

Pressure Control Solenoid 2 Electrical

Internal Mode Swtich No Start, Wrong Range

Internal Mode Switch No Start Wrong Range

Transmission Neutral Safety Switch Short Circuit To Ground

Pressure Control Solenoid 2 Open Short To Ground

Internal Mode Switch Circuit A Low

Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure

Pressure Control Solenoid 2 Short To B+

Internal Mode Switch Circuit B High

Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery

Internal Mode Switch Circuit P Low

Pressure Control Solenoid 3 Electrical

Transmission 4-Wheel Drive Clutch Relay Circuit Failure

Pressure Control Solenoid 3 Open Short To Ground

Internal Mode Switch Illegal Range

Pressure Control Solenoid 3 Short To B+

Internal Mode Switch Circuit C High

Transmission 4-Wheel Drive Low Clutch Relay Circuit To Battery

Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure

Pressure Control Solenoid 4 Electrical

Pressure Control Solenoid 4 Open Short To Ground

Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Battery

Open Or Shorted Condition Detected In The Clutch Pedal Switch Over-Ride Relay Control

Pressure Control Solenoid 4 Short To B+

PC Solenoid Power Circuit Low Voltage

Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure

A/T Solenoids Power Circuit Low Voltage

Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To Battery

Pressure Control Solenoid 5 Open Short To Ground

Kick-Down Switch

Pressure Control Solenoid 5 Short To B+

Kick-Down Switch Failed Open

Kick-Down Switch Failed Short

Transmission Transfer Case Shift Motor Circuit Failure

Engine Transmission Control Do Not Match

1-2 Shift Solenoid Circuit Low Voltage

Check DTC Memory Of Instrument Panel ECU

1-2 Shift Solenoid Circuit High Voltage

Check DTC Memory Of Distance Control ECU

Torque Reduction Signal Circuit Desired By TCM

Check DTC Memory Of Central Electronic Control ECU

Transmission Gear Ratio Output Circuit

Transmission Transfer Case Contact Plate A Circuit Failure

2-3 Shift Solenoid Circuit High Voltage

Check DTC Memory Of Brake System ECU

Check DTC Memory Of Engine ECU

Check DTC Memory Of Transmission ECU

Brake Band Apply Solenoid Circuit

Transmission Transfer Case Contact Plate B Circuit Failure

CAN Bus Missing Message From Engine Control

Brake Band Apply Solenoid Performance

CAN Bus Missing Message From Brake Control

Brake Band Apply Solenoid Low Voltage

CAN Bus Unplausible Message From Engine Control

Brake Band Apply Solenoid High Voltage

CAN Bus Unplausible Message From Brake Control

Transmission Transfer Case Contact Plate C Circuit Failure

CAN Bus Hardware Defective

CAN Bus Software Version Control

Throttle Pedal Position Sensor A Circuit Error Message From Engine Control

Load Signal Error Message From Engine Control

Transmission Transfer Case Contact Plate D Circuit Failure

Engine Speed Input Circuit Error Message From Engine Control

Brake Switch Circuit Error Message From Engine Control

TCC PWM Solenoid Circuit Electrical

Kick Down Switch Error Message From Engine Control

Throttle Position Sensor Error Message From ECM

Data Bus Powertrain Missing Message From Instrument Panel ECU

Data Bus Powertrain Missing Message From Steering Angle Sensor

Torque Converter Clutch Circuit

Data Bus Powertrain Missing Message From ADR Control Module

Data Bus Powertrain Missing Message From Central Electronics

Transmission Transfer Case System Concern Servicing Required

Data Bus Powertrain Missing Messages

Transmission Transfer Case Contact Plate General Circuit Failure

Transmission Fluid Life

Transmission Component Slipping

TCC Stator Temp. Switch Circuit Low

TCC Stator Temp. Switch Circuit High