DTC codes / P2Bxx · Hybrid propulsion / P2B6F
P2B6F means the engine computer has detected a low-voltage condition on the signal circuit of the temperature sensor for turbocharger or supercharger A. The sensor is supposed to report the temperature of the forced-induction system, and a low signal usually indicates a short to ground, a failed sensor, or a wiring problem rather than an actual cold temperature.
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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