What does code P2DC2 mean?

DTC codes / P2Dxx · Hybrid propulsion / P2DC2

P2DC2Starter/Generator Phase X Current Sensor Circuit Range/Performance

P2DC2 indicates that the engine control module (ECM) has detected an out-of-range or performance fault in the current sensor circuit for one phase of the starter/generator unit, which is the motor-generator assembly used in mild-hybrid systems. The ECM compares the phase current sensor signal against expected values and sets this code when the signal is erratic, stuck, or outside the normal operating 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.