P1124 GMC Throttle Control Motor Relay Circuit Short
Possible causes
– Fualty Throttle Control Motor relay
– Throttle Control Motor relay harness is open or shorted
– Throttle Control Motor relay circuit poor electrical connection
– Throttle Control Motor relay harness is open or shorted
– Throttle Control Motor relay circuit poor electrical connection
What about the obd code?
Engine Control Module (ECM) detect the throttle control motor relay is stuck ON.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1124 GMC Description
Power supply for the throttle control motor is provided to the Engine Control Module (ECM) via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,