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OBD-II Generic Powertrain DTCs (Diagnostic Trouble Codes P2500-P2999)

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P2500: Generator lamp/L-terminal circuit low P2501: Generator lamp/L-terminal circuit high P2502: Charging system voltage P2503: Battery voltage low P2504: Charging system voltage high P2510: ECM/PCM power relay sense circuit range/performance P2511: ECM/PCM power relay sense circuit intermittent P2513: A/C refrigerant pressure sensor circuit high P2516: A/C clutch relay circuit low P2517: A/C clutch relay circuit high P2520: Fuel pump relay control circuit open P2521: Fuel pump relay control circuit low P2522: Fuel pump relay control circuit high P2530: Ignition switch circuit high P2533: Ignition switch run position circuit high P2540: Torque management request input signal A circuit high P2550: Engine coolant level sensor/switch circuit P2560: Turbocharger boost control position sensor circuit range/performance P2563: Turbocharger boost control position sensor A circuit range/performance P2580: Fuel additive control module performance

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