P2511 Possible Causes
- Faulty ECM/PCM power relay
- ECM/PCM power relay wiring harness is open or short-circuited
- Poor electrical connection in the ECM/PCM power relay circuit
How to Fix Code P2511
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or service engine soon warning light)
P2511 Meaning
The Powertrain Control Module (PCM)/Engine Control Module (ECM) monitors the voltage of the ECM/PCM power relay. The ECM/PCM sets the OBDII code set when the ECM/PCM power relay is outside factory specifications.