P2509 FORD code

The P2509 diagnostic trouble code is an indication that the ECM/PCM power input signal is having an intermittent problem. Related Trouble Codes: P2505 OBD-II Trouble Code: ECM/PCM Power Input Signal.

What causes a P2509?

A Cummins P2509 engine code is a battery related issue.

Either your battery is weak and running low voltages, something is draining your batter faster than it can charge, or there is a poor electrical connection.

What does P2509 code mean?

If you’re using an OBD-II scanner to find out why your check engine light is on, a P2509 code means that your engine’s electric signal to the ECM is intermittent rather than constant. As a result, the ECM is not getting the steady power supply from the battery it needs to function properly.

What does power input signal intermittent mean?

Diagnostic trouble code (DTC) P2509 stands for “PCM Power Input Signal Intermittent.” This code is logged when the powertrain control module (PCM) loses its power supply. Like any electrical device, the PCM needs a complete circuit with power and ground. The PCM relies on a constant power supply from the battery.

How do I fix my P2509 code?

What repairs can fix the P2509 code?

  1. Repair or replace blown fuse.
  2. Repair or replace faulty fusible link.
  3. Repair or replace faulty circuits.
  4. Repair or replace faulty battery.
  5. Repair or replace faulty battery cables.
  6. Repair or replace faulty PCM relay.
  7. Replace and reprogram PCM.