C0090 Urgente
4WD/AWD Power Transfer Unit Actuator
No conducir — requiere atención inmediata
Descripción
This code means there's a problem with the actuator that controls the power transfer unit in a 4WD or AWD system. This unit is responsible for sending power to the correct wheels, so a fault here can affect your vehicle's all-wheel-drive capability.
Causas comunes
- Faulty 4WD/AWD power transfer unit actuator
- Low fluid level in the transfer case
- Wiring or connector issue to the actuator
- Mechanical binding within the transfer case
- Problem with the 4WD/AWD control module
Síntomas
- 4WD/AWD warning light illuminated
- Inability to engage 4WD/AWD
- Grinding or clunking noises from the drivetrain
- Vehicle may only be driving in 2WD