2004 Volvo XC90 with code P2112. What else could make my car and go into safe mode?

Question

2004 Volvo XC90 2.9L with engine code P2112. What else could make my car and go into safe mode

Answer 1

P2112 Throttle unit

Throttle unit develop a faulty signal, the fix is to replace the throttle unit. and perform a adaptation of the throttle unit

Answer 2

P2112 Volvo Code - Throttle Actuator Control System - Stuck Closed
Read more: https://www.autocodes.com/p2112_volvo.html