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.

Forward-range switch indication conflicts with reverse 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

Volkswagen pressure valve 2 open or grounded: confirm N216/N92 mapping

Internal Mode Switch Circuit A Low

Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure

Volkswagen pressure valve 2 short to supply and connector condition

Internal-mode-switch B remains high when low is expected

Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery

Internal-mode-switch P remains low when high is expected

Pressure Control Solenoid 3 Electrical

Transmission 4-Wheel Drive Clutch Relay Circuit Failure

Volkswagen pressure valve 3 open or short to ground

Internal Mode Switch Illegal Range

Volkswagen pressure valve 3 short-to-positive fault

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

Volkswagen pressure valve 4 fault and the DSG mechatronic naming caveat

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

Volkswagen pressure valve 4 short to supply: N218 and N94 context

Transmission high-side driver 1 fails its on-state check

Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure

Transmission high-side driver 2 cannot sustain its command

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 and transmission controller compatibility matters

Shift-solenoid A control circuit open or held low

Check DTC Memory Of Instrument Panel ECU

Shift-solenoid A control circuit held toward supply

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

Volkswagen ABS fault-memory referral and cross-module effects

Volkswagen engine-memory referral: diagnose the originating ECU fault

Check DTC Memory Of Transmission ECU

Brake Band Apply Solenoid Circuit

Transmission Transfer Case Contact Plate B Circuit Failure

Volkswagen missing engine-controller message and the replacement caution

Brake Band Apply Solenoid Performance

The transmission misses an ABS control-module message

Brake Band Apply Solenoid Low Voltage

CAN Bus Unplausible Message From Engine Control

Brake Band Apply Solenoid High Voltage

Volkswagen implausible ABS message and the DSG communication-partner list

Transmission Transfer Case Contact Plate C Circuit Failure

A hardware fault disrupts the powertrain data bus

The powertrain controllers fail a software-version compatibility check

Passat transmission receiving a G69 throttle fault message

the load-signal error sends diagnosis back to the engine ECU

Transmission Transfer Case Contact Plate D Circuit Failure

The transmission receives an engine-speed fault message

Brake Switch Circuit Error Message From Engine Control

Torque-converter PWM control circuit electrical fault

Kick Down Switch Error Message From Engine Control

The transmission receives a pedal-sensor fault message

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

Excessive converter-clutch slip in the 3T40 monitor

TCC Stator Temp. Switch Circuit Low

TCC Stator Temp. Switch Circuit High