Kia Niro Hybrid 2017 — technical service bulletin
Bulletin PS491 · NHTSA communication 10109820 · issued Feb 27, 2017
Technical service bulletin
communication type
Electrical System
component
2017
model years
1
vehicle entries
Official summary
PITSTOP: Voltage Protection Device (VPD) DTCs P1BA7 and P1B77 - The Voltage Protection Device (VPD) (1) is mounted on top of the HV battery pack. If the HV battery overcharges, the battery cells/modules/case can swell. If swelling occurs, the VPD switch will turn ON, and the Battery Management System (BMS) will receive the VPD ?ON? signal and turn off the Power Relay Assembly (PRA) to prevent damage.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.