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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Hybrid Motor System (Diagnostic Trouble Codes (DTCS) P2122-P31FF And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P31A9: Can Error >> DTC Description >> Fail-Safe

DTC Description: Fail-Safe

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
Detection items Hybrid system operation and vehicle behavior
Li-ion battery If there is a Li-ion battery malfunction, or if CAN communication with the Li-ion battery controller computing unit and Li-ion battery controller are abnormal
  • The hybrid system is stopped.
  • Driving is not possible even when the accelerator pedal is depressed.
If the Li-ion battery power usage is restricted by the Li-ion battery controller Engine stop control is prohibited, and the vehicle is driven by the engine alone. As a result, acceleration performance decreases and the shifting shock becomes larger.
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