Code Definition

P1220 — FPCM

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

About P1220

P1220 is a manufacturer-specific powertrain diagnostic trouble code recorded for Infiniti 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.

P1220 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

FPCM stands for Fuel Pump Control Module, the unit that controls fuel pump operation and, on many Nissan and Infiniti applications, varies fuel pump speed to match demand under command from the Engine Control Module (ECM). DTC P1220 sets when the ECM detects a fault in the fuel pump control module circuit, such as a loss of the expected signal, an out of range condition, or no confirmation that the module is operating the pump as commanded. The cause is commonly wiring, connector, power or ground related, or a failed control module. Symptoms can range from no obvious driveability effect to har...

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