What are the common causes of P2510?

A failing ECM/PCM power relay. An open or short in the power relay sense circuit. Low battery voltage. Corrosion on the relay sense wiring.

Read the ECM/PCM power relay sense circuit on a scan tool. Test the power relay and its sense wire. Check battery voltage under load. Inspect the relay sense wiring for corrosion. Replace the ECM/PCM power relay if the sense circuit tests good. Clear the code and retest.

P2510

ECM/PCM Power Relay Sense Circuit Range/Performance

System: Speed and idle control (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P2510 means ECM/PCM Power Relay Sense Circuit Range/Performance.

Where it lives

For P2510, the part to look at first is the relay named here.

Check these first

A failing ECM/PCM power relay
An open or short in the power relay sense circuit
Low battery voltage
Corrosion on the relay sense wiring

What to do next

Read the ECM/PCM power relay sense circuit on a scan tool
Test the power relay and its sense wire
Check battery voltage under load
Inspect the relay sense wiring for corrosion
Replace the ECM/PCM power relay if the sense circuit tests good
Clear the code and retest

Look up another code

Code or symptom

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.