Code Definition

P025A — Fuel pump control module control circuit open

System: Powertrain  |  Type: Generic (OBD-II Standard)  |  Make: Generic

About P025A

P025A is a generic (obd-ii standard) powertrain diagnostic trouble code. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P025A is stored, the module has detected an open (broken or disconnected) electrical path in the monitored circuit.

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.

Because P025A is a generic OBD-II code, its base definition is shared across manufacturers. The specific diagnostic steps, reference values, and repair procedures can vary by vehicle, and the TaT Diagnostic Assistant includes verified procedures submitted by working technicians.

Code Information

The P025A fault code is set when the Engine Control Module (ECM) detects an open circuit in the control circuit of the fuel pump control module. An open circuit in this context means a break or disconnection in the wiring or connectors that link the ECM to the fuel pump control module. This disrupts the communication or control signals between the ECM and the module, potentially leading to issues in the operation of the fuel pump and affecting the engine's fuel delivery.

Quick Facts