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P0128 Diagnostic Trouble Code Discussion for February 2022

Thermostat System Malfunction


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Trouble Ticket Help Requests for DTC P0128
Help Request Posted
2012 Hyundai Elantra Touring GLS 2.0L MIL Lamp on VIN: KMHDB8AEXC
P0128: Coolant temperature below threshold. ... ago with the code P0128(Coolant temp below threshold) and we saw that all coolant temp sensors were working accordingly so we opted to replace the thermostat with OE parts. The vehicle returned today with the same code and everything still seems to pa...
February 08, 2022
2012 Hyundai Elantra Touring GLS 2.0L MIL Lamp on VIN: KMHDB8AEXC
P0128: Coolant temperature below threshold. ... ago with the code P0128(Coolant temp below threshold) and we saw that all coolant temp sensors were working accordingly so we opted to replace the thermostat with OE parts. The vehicle returned today with the same code and everything still seems to pa...
February 09, 2022