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.

Why does my Dodge Ram have a p2509 engine code?

Technical service bulletins for the Dodge/Ram Cummins diesel engine also conclude that an overcharge or undercharge condition will also contribute to the setting of this code and the corresponding symptoms. Symptoms of a P2509 engine code may include.

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 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 does a p2509 power input signal mean?

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. The signal is not constant and within parameters with the ignition key turned off.

What does the code p2509 on an OBD-II mean?

What Does the 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 is the diagnostic code for ECM / PCM input signal intermittent?

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.

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.

What to do when your ECM signal is bad?

Start the engine and use the voltmeter to check the voltage at the battery terminals. If the voltage is less than 13.5 or more than 15 volts the regulator is bad in the alternator. Shut the engine down and replace the alternator. If the voltage was 13.5 or better and less than 15 volts proceed to the next check. Check for parasitic drain.

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.

Why does my ECM not get enough power?

As a result, the ECM is not getting the steady power supply from the battery it needs to function properly. It may also not be receiving input from the systems it is connected to. This problem can occur for a variety of reasons. Some fixes work across the board, while others may only apply to specific makes and models.

Is there a diagnostic code for ECM p2509?