Pitstop: heater blowing cold air while in EV mode
Kia technical service bulletin PS338 for 2011-2015 Kia Optima Hybrid.
- Bulletin number
- PS338
- Component
- Electrical system
- Summary
- PITSTOP: HEATER BLOWING COLD AIR WHILE IN EV MODE - When diagnosing a concern related to the heater intermittently blowing cold air while in EV mode, check the Electric Water Pump (EWP) for the A/C system (NOT the main cooling system EWP), located on the rear of the transmission (A), for proper operation. To test EWP operation, disconnect connector CHG31/C131 (B) and apply power and ground to the EWP.
Owners of these vehicles have filed 64 complaints in the electrical category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Kia Optima Hybrid?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history