DTC P0106-21: Manifold Absolute Pressure/BARO Sensor Range/Performance - Signal amplitude < minimum: Action
- Refer to the appropriate system wiring diagrams and check the manifold absolute pressure sensor circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Check the turbocharger housing for signs of cracking, air leaks and internal failure
- Check and install a new turbocharger as required