2006 Toyota Prius – P1116 After Cooling-System Service
- Aug 15
- 1 min read
Updated: Aug 15
CUSTOMER CONCERN
Customer states DTC P1116 appeared two weeks after the cooling system was drained and refilled.
CAUSE
Air remained trapped in the coolant heat-storage circuit; this system requires scan-tool-assisted bleeding.
CORRECTION
Perform cooling-system air-bleed procedure with a compatible scan tool and clear DTC P1116.
