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September 16, 2020 P0641 Code: Sensor Reference Voltage “A” Circuit/OpenOnboard sensors are typically supplied with a 5-volt reference signal by the PCM. Once the sensors verify it against what they were designed to measure, they return the signal to the PCM. If the latter detects a problem in the reference circuit, it stores a code P0641. If you’ve retrieved September 15, 2020 P0116 Code: Engine Coolant Temperature Sensor 1 Circuit Range/PerformanceDiagnostic trouble code (DTC) P0116 stands for “Engine Coolant Temperature Sensor 1 Circuit Range/Performance.”This DTC is triggered by the PCM after it detects that the voltage signals relayed by the engine coolant temperature (ECT) sensor fall outside the normal manufacturer-specified range. The ECT sensor is a thermistor—a resistor that changes September 08, 2020 2022 Hyundai Tucson Teaser Photos Released Ahead of DebutBelieved to be largely based on the Hyundai Vision T concept, which the automaker first introduced at the 2019 Los Angeles Auto Show, the upcoming compact crossover shows similarities with the concept that are easily recognizable to interested buyers.