What does code P2C8F mean?

Q: What does code P2C8F mean?

DC/DC Converter Temperature Sensor D Circuit High. P2C8F indicates that the powertrain control module has detected an abnormally high voltage on the signal circuit of the temperature sensor dedicated to the D-side DC/DC converter, which is the component that steps high-voltage battery power down to charge the 12-volt system. The high voltage reading tells the module that the sensor circuit is open, shorted to voltage, or that the sensor's internal resistance has risen beyond the expected range.

DTC codes / P2Cxx · Hybrid propulsion / P2C8F

P2C8FDC/DC Converter Temperature Sensor D Circuit High

P2C8F indicates that the powertrain control module has detected an abnormally high voltage on the signal circuit of the temperature sensor dedicated to the D-side DC/DC converter, which is the component that steps high-voltage battery power down to charge the 12-volt system. The high voltage reading tells the module that the sensor circuit is open, shorted to voltage, or that the sensor's internal resistance has risen beyond the expected range.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.