Hyundai Sonata Hybrid 2011–2015 — technical service bulletin
Bulletin 23-HC-001H-1 · NHTSA communication 10241797 · issued Aug 1, 2023
Technical service bulletin
communication type
Electrical System
component
2011–2015
model years
5
vehicle entries
Official summary
On certain Sonata hybrid (YF HEV) vehicles, the HEV safety plug or power relay assembly (PRA) may cause the following symptoms and one or more current related DTCs. Follow the Service Procedure before diagnosing the hybrid battery. Please review the following instructions carefully to determine applicability depending on the model year of your vehicle. Warning light: â ¢ No â EV Readyâ mode, or â Readyâ light blinks on and off â ¢ â Check Engineâ warning light on â ¢ Charging system warning light on â ¢ â Wrenchâ symbol (service indicator) blinks on and off Drivability symptoms: â ¢ Vehicle wi
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.