P2511 GMC - ECM/PCM Power Relay Sense Circuit Intermittent
- Faulty ECM/PCM Power Relay
- ECM/PCM Power Relay harness is open or shorted
- ECM/PCM Power Relay circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P2511 Gmc DescriptionThe Powertrain Control Module (PCM)/Engine Control Module (ECM) monitors the voltage to the ECM/PCM Power Relay. The ECM/PCM set the OBDII code set when the ECM/PCM Power Relay is out of factory specifications.
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