Powertrain
generic / SAE
P2510
ECM/PCM Power Relay Sense Circuit Range/Performance
The voltage reported on the main power relay sense line for the engine controller does not match expectation. The ECU may shut down too early or stay awake too long, draining the battery.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 10
Possible causes
- Main relay contacts pitted high
- Sense wiring corroded medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–400 €
- Estimated time: 0.3–2 h
- Component: main relay
- Component: ecm
- MIL / check engine light
Sources
References
sae:J2012