What does ECM PCM 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 code P2509?
What repairs can fix the P2509 code?
- Repair or replace blown fuse.
- Repair or replace faulty fusible link.
- Repair or replace faulty circuits.
- Repair or replace faulty battery.
- Repair or replace faulty battery cables.
- Repair or replace faulty PCM relay.
- Replace and reprogram PCM.
What does DTC code P2509 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 code P203F mean?
Reductant Level Sensor
The Reductant Level Sensor tells the engine computer (PCM) how much DEF is left in the tank. If the PCM sees that the DEF level is too low, code P203F is set. Additional warnings may be present on the instrument cluster. Failure to add DEF fluid may result in the engine not restarting until more DEF fluid is added.
What does engine code P2509 mean?
What is code P0562?
P0562 (System Voltage Low) — What It Means Your vehicle’s charging system should supply a voltage of 14.1 to 14.7 volts to the battery, when idling with the headlights off. A P0562 code stored in the PCM means that the system voltage is dipping below 10 volts for 60 seconds at a time or more when the engine is running.
What does p2509 power input signal intermittent mean?
However, specific troubleshooting steps will vary depending on the vehicle. The generic trouble code P2509 power input signal intermittent refers to an engine with an intermittent electrical signal to the Electronic Control Module (ECM) otherwise also known as a PCM or Powertrain Control Module.
What does p2509 mean on a Cummins Engine?
P2509 appears on Cummins engines when there is an electronic signal being sent to the ECM/PCM that is faulty or intermittent. Electronic signals are measured within parameters, and when the signal falls outside of the parameter range, the Power Input Signal Intermittent Code P2509 is thrown. A Cummins P2509 engine code is a battery related issue.
What does intermittent ECM / PCM power input signal mean?
ECM/PCM Power Input Signal Intermittent What does that mean? This is a generic powertrain code, which means it covers all makes supporting OBD-II protocol. However, specific troubleshooting steps will vary depending on the vehicle.
What is the diagnostic DTC for p2509?
P2509 is a diagnostic trouble code (DTC) for “ECM/PCM Power Input Signal Intermittent”.