What does code P1464 mean?

Q: What does code P1464 mean?

Heated Catalyst Battery Temperature Sensor 2 Electrical. P1464 on BMW vehicles indicates that the engine control module has detected an electrical fault in the circuit for the battery temperature sensor associated with the heated catalytic converter system. The computer monitors this sensor's signal to protect the battery and catalyst during the heating phase, and it has logged a value or circuit condition outside the expected range.

DTC codes / BMW codes / P1464

P1464 · BMWHeated Catalyst Battery Temperature Sensor 2 Electrical

P1464 on BMW vehicles indicates that the engine control module has detected an electrical fault in the circuit for the battery temperature sensor associated with the heated catalytic converter system. The computer monitors this sensor's signal to protect the battery and catalyst during the heating phase, and it has logged a value or circuit condition outside the expected range.

SystemPowertrain

Code typeBMW specific

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

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