p2100 code car wont start

Asked by Jan 03, 2016 at 09:37 AM about the 2012 Mitsubishi Galant

Question type: General

2 Answers

72,395

Possible causes: P2100 - Throttle Control Motor Relay harness is open - Throttle Control Motor Relay circuit poor electrical connection - Faulty Throttle Control Motor Relay Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P2100 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.

72,395

Sounds like you may have a relay that is bad.

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