Condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also...
Hyundai technical service bulletin 25-01-068H-1 DCS for 2025 Hyundai Tucson Hybrid and 2025 Hyundai Tucson Plug-In Hybrid.
- Bulletin number
- 25-01-068H-1 DCS (TEK)
- Component
- Engine
- Summary
- Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). Technical Service Bulletin (TSB) 25-01-068H-1 provides instructions to update the Powertrain Control Unit (PCU) software.
Owners of these vehicles have filed 10 complaints in the engine category.
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