P2510 - ECM/Pcm Power Relay Sense Circuit Range/Performance

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2021 Lincoln Navigator, 2021 Lincoln Nautilus, 2021 Lincoln Corsair, 2021 Lincoln Aviator, and 2021 Ford Transit-350 HD. However, it is still accessible from the selected car via links, so may be relevant.

DTC DESCRIPTION P2510 - ECM/PCM POWER RELAY SENSE CIRCUIT RANGE/PERFORMANCE

Description:	The ISP-R and the INJPWRM circuits are monitored for correlation. This DTC sets when the voltage on the ISP-R and the INJPWRM circuit voltages do not correspond for a calibrated period of time.
Possible Causes:	Ignition circuit fuse ISP-R circuit open ISP-R circuit short to ground Fuel injector VPWR circuit short to voltage Fuel injector INJPWR circuit short to voltage Damaged ignition switch Damaged fuel pump relay Damaged PCM power relay
Diagnostic Aids:	The INJPWRM PID voltage reading should be 0 volts when the ignition is in the OFF, ACC or LOCK position.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test B.