Code Definition

P1272 — Fuel pump

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Nissan

About P1272

P1272 is a manufacturer-specific powertrain diagnostic trouble code recorded for Nissan vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1272 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

Nissan fuel delivery on many applications is managed through a fuel pump control module, sometimes called the FPCM, which the ECM commands to vary pump speed rather than simply switching the pump on and off. Running the pump only as hard as demand requires reduces heat in the tank, extends pump life, and lowers electrical load, and the control module reports back to the ECM so commanded and actual states can be compared. DTC P1272 is set when the ECM detects that the fuel pump circuit or its control is not behaving as expected, which may mean the pump is not running when commanded, is running ...

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