Strange noises from under the bonnet? Spooky. Happy Halloween from Auto Veteran: may your only scares be costumes.
DTC codes / P2Exx · Hybrid propulsion / P2EC0
P2EC0 indicates that the powertrain control module (PCM) has detected a low voltage signal from the turbocharger compressor outlet temperature sensor circuit. This sensor measures the temperature of the compressed air leaving the turbocharger, and a low signal typically means the circuit is shorted to ground or the sensor's internal resistance has dropped abnormally.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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