What is code P2509 mean?
What is 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 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 is the OBD II fault code p2509?
END OF SPECIAL NOTES. OBD II fault code P2509 is a generic code that is defined as “Engine control module (ECM) – supply voltage, intermittent”, and is set when the PCM (Powertrain Control Module) detects intermittent power supply issues to itself.
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 should I do if p2509 comes back?
A fix should be implemented methodically, checking and reparing each component as needed. Once you finish each fix, clear the codes and do a test drive, then check if the P2509 code comes back. If it does, go to the next fix. Check the ECM wiring and battery cables.
What do you need to know about the p2509 code?
Cost of diagnosing the P2509 code. P2509 is a diagnostic trouble code (DTC) for “ECM/PCM Power Input Signal Intermittent”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
Is there a diagnostic code for ECM p2509?
However, the generic diagnostic/repair information provided here should enable most non-professional mechanics to diagnose and resolve code P2509 on most applications. END OF SPECIAL NOTES.
How to test p2509 power input signal intermittent code Dodge?
Place the voltmeter on amps and install one of the test light probes on the battery negative and the other wire on the red ammeter probe. Install the black ammeter probe on a good ground. There should be less than 30-miliamps draw. If it is less stop here.
Is there a p2509 powerdowndata lost error?
Scanned it and it said that I had 1 code. (p2509 powerdowndata lost error) Anyone have any ideas what this is? what year and engine truck do you have? Take a minute and fill out your signature, and we can help you out :thumbsup Did you recently add any equipment that required grounding on the fender ground bolt?
