safe mode codes p0446/ p2106 need help

ford PC/ED manual said:

P2106 Throttle Actuator Control (TAC) System - Forced Limited Power Detailed Description
The TAC system is in the failure mode effects management (FMEM) mode of forced limited power. This DTC indicates the FMEM action is in effect due to a failure in an electronic throttle control (ETC) related component or module.

Possible causes :-
Unplugged motor, circuits shorted to power.
TAC motor open, unplugged motor, circuits shorted to power.
TAC motor stuck open or closed.
Mass air flow (MAF) sensor fault.
Throttle position (TP) sensor fault.
Module communications network concerns.
Manifold absolute pressure (MAP) sensor fault (Vehicles with an EGR system module [ESM]).
Output shaft speed (OSS) sensor fault (Crown Victoria, Expedition, Explorer, F-150 4.6L and 5.4L, Grand Marquis, LS, Mountaineer, Mustang 4.6L automatic, Thunderbird, Town Car).
Turbine shaft speed (TSS) sensor fault (Crown Victoria, Expedition, Explorer, F-150 4.6L and 5.4L, Grand Marquis, LS, Mountaineer, Mustang 4.6L automatic, Thunderbird, Town Car).
Anti-lock brake system (ABS) fault (Crown Victoria, Expedition, Explorer, F-150 4.6L and 5.4L, Grand Marquis, LS, Mountaineer, Mustang 4.6L automatic, Thunderbird, Town Car).


Diagnostic Aids
This DTC is an informational DTC and can be set in combination with a number of other DTCs which are causing the FMEM. Diagnose any accompanying powertrain DTCs first. For Crown Victoria, Expedition, Explorer, F-150 4.6L and 5.4L, Grand Marquis, LS, Mustang 4.6L automatic, Thunderbird, and Town Car with only P2106, repair any ABS DTCs, ABS related DTCs in other modules or vehicle communication concerns using the appropriate section of the Workshop Manual.

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