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Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 9 Of 14 Expand All (for easy ctrl-f) Collapse All ECM-6110: Electric Cooling Fan Relay, Signal Too High, Permanent Fault (B5254T2; 2003) ECM-6110: Electric Cooling Fan Relay, Signal Too Low, Intermittent Fault (B5234T3; B5244T3; 2001-2003) ECM-6110: Electric Cooling Fan Relay, Signal Too Low, Intermittent Fault (B5254T2; 2003) ECM-6110: Electric Cooling Fan Relay, Signal Too Low, Permanent Fault (B5234T3; B5244T3; 2001-2003) ECM-6110: Electric Cooling Fan Relay, Signal Too Low, Permanent Fault (B5254T2; 2003) ECM-6110: Engine Cooling Fan (FC) Relay, Signal Missing (B5234T3; B5254T2; B5254T4; 2004) ECM-6110: Engine Cooling Fan (FC) Relay, Signal Too High (B5234T3; B5254T2; B5254T4; 2004) ECM-6110: Engine Cooling Fan (FC) Relay, Signal Too Low (B5234T3; B5254T2; B5254T4; 2004) ECM-611B: Camshaft Control, Intake, Faulty (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-612B: Camshaft Reset Valve, Intake, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2006) ECM-612C: Camshaft Reset Valve, Intake, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-612D: Camshaft Reset Valve, Intake, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-6140: Camshaft Control, Exhaust, Slow (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-614B: Camshaft Control, Exhaust, Faulty (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-616B: Camshaft Reset Valve, Exhaust, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2006) ECM-616C: Camshaft Reset Valve, Exhaust, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-616D: Camshaft Reset Valve, Exhaust, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-6200: Engine Cooling Fan (FC) Control Module, Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-620A: Idling Speed, High (B5244S; 2005-2007) ECM-620A: Idling Speed, High (B5244S6; 2005-2006) ECM-620A: Idling Speed, Low (B5244S; 2005-2007) ECM-620A: Idling Speed, Low (B5244S6; 2005-2006) ECM-620A: Idling Speed, Too Little Response (B5244S; 2001-2004) ECM-620A: Idling Speed, Too Little Response (B5244S6; 2003-2004) ECM-620A: Idling Speed, Too Much Response (B5244S; 2001-2004) ECM-620A: Idling Speed, Too Much Response (B5244S6; 2003-2004) ECM-620B: Engine Cooling Fan Control Module, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-620C: Engine Cooling Fan (FC) Control Module, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-620D: Engine Cooling Fan (FC) Control Module, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-6220: Ecu-Box Cooling Fan, Signal Missing (B5234T3; 2002-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Missing (B5244T3; 2002-2003) ECM-6220: Ecu-Box Cooling Fan, Signal Missing (B5254T2; 2003-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Missing (B5254T4; 2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too High (B5234T3; 2002-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too High (B5244T3; 2002-2003) ECM-6220: Ecu-Box Cooling Fan, Signal Too High (B5254T2; 2003-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too High (B5254T4; 2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too Low (B5234T3; 2002-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too Low (B5244T3; 2002-2003) ECM-6220: Ecu-Box Cooling Fan, Signal Too Low (B5254T2; 2003-2004) ECM-6220: Ecu-Box Cooling Fan, Signal Too Low (B5254T4; 2004) ECM-6220: Engine Cooling Fan (FC), Faulty Signal (B5244T5; B5254T2; B5254T4; 2006) ECM-630B: A/C Relay, Signal Missing, Intermittent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-630B: A/C Relay, Signal Missing, Permanent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-630C: A/C Relay, Signal Too High, Intermittent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-630C: A/C Relay, Signal Too High, Permanent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-630D: A/C Relay, Signal Too Low, Intermittent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-630D: A/C Relay, Signal Too Low, Permanent Fault (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-6400: Camshaft Reset Valve, Intake Signal Missing (B5244S; 2005-2007) ECM-6400: Camshaft Reset Valve, Intake Signal Missing (B5244S6; 2005-2006) ECM-6400: Camshaft Reset Valve, Intake Signal Too High (B5244S; 2005-2007) ECM-6400: Camshaft Reset Valve, Intake Signal Too High (B5244S6; 2005-2006) ECM-6400: Camshaft Reset Valve, Intake Signal Too High (B5254T2; 2003-2004) ECM-6400: Camshaft Reset Valve, Intake Signal Too High (B5254T4; 2004) ECM-6400: Camshaft Reset Valve, Intake Signal Too Low (B5244S; 2005-2007) ECM-6400: Camshaft Reset Valve, Intake Signal Too Low (B5244S6; 2005-2006) ECM-6400: Camshaft Reset Valve, Intake Signal Too Low Or Signal Missing (B5254T2; 2003-2004) ECM-6400: Camshaft Reset Valve, Intake Signal Too Low Or Signal Missing (B5254T4; 2004) ECM-6400: Camshaft Reset Valve, Signal Missing (B5244S; 2001-2004) ECM-6400: Camshaft Reset Valve, Signal Missing (B5244S6; 2003-2004) ECM-6400: Camshaft Reset Valve, Signal Too High (B5244S; 2001-2004) ECM-6400: Camshaft Reset Valve, Signal Too High (B5244S6; 2003-2004) ECM-6400: Camshaft Reset Valve, Signal Too Low (B5244S; 2001-2004) ECM-6400: Camshaft Reset Valve, Signal Too Low (B5244S6; 2003-2004) ECM-640A: Camshaft Control, Intake, Faulty Signal (B5254T2; 2003-2004) ECM-640A: Camshaft Control, Intake, Faulty Signal (B5254T4; 2004) ECM-640A: Camshaft Control, Intake, Signal Too High (B5244S; 2005-2007) ECM-640A: Camshaft Control, Intake, Signal Too High (B5244S6; 2005-2006) ECM-640A: Camshaft Control, Intake, Signal Too Low (B5244S; 2005-2007) ECM-640A: Camshaft Control, Intake, Signal Too Low (B5244S6; 2005-2006) ECM-640A: Camshaft Reset Valve, Faulty Signal (B5244S; 2001-2004) ECM-640A: Camshaft Reset Valve, Faulty Signal (B5244S6; 2003-2004) ECM-640C: Turbocharger (TC) Control System, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-640D: Turbocharger (TC) Control System, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-640F: Camshaft Position, Intake, Signal Too High (B5244S; 2005-2007) ECM-640F: Camshaft Position, Intake, Signal Too High (B5244S6; 2005-2006) ECM-640F: Camshaft Position, Intake, Signal Too Low (B5244S; 2005-2007) ECM-640F: Camshaft Position, Intake, Signal Too Low (B5244S6; 2005-2006) ECM-640F: Camshaft Reset Valve, Faulty Signal (B5244S; 2001-2004) ECM-640F: Camshaft Reset Valve, Faulty Signal (B5244S6; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Missing (B5244S; B5244S6; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Missing (B5244S; 2005-2007) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Missing (B5244S6; 2005-2006) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too High (B5244S; B5244S6; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too High (B5244S; 2005-2007) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too High (B5244S6; 2005-2006) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too High (B5254T2; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too High (B5254T4; 2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low (B5244S; B5244S6; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low (B5244S; 2005-2007) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low (B5244S6; 2005-2006) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low Or Signal Missing (B5234T3; 2002-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low Or Signal Missing (B5244T3; 2002-2003) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low Or Signal Missing (B5254T2; 2003-2004) ECM-6410: Camshaft Reset Valve, Exhaust, Signal Too Low Or Signal Missing (B5254T4; 2004) ECM-641A: Camshaft Control, Exhaust, Faulty Signal (B5234T3; 2002-2004) ECM-641A: Camshaft Control, Exhaust, Faulty Signal (B5244T3; 2002-2003) ECM-641A: Camshaft Control, Exhaust, Faulty Signal (B5254T2; 2003-2004) ECM-641A: Camshaft Control, Exhaust, Faulty Signal (B5254T4; 2004) ECM-641A: Camshaft Control, Exhaust, Signal Too High (B5244S; 2005-2007) ECM-641A: Camshaft Control, Exhaust, Signal Too High (B5244S6; 2005-2006) ECM-641A: Camshaft Control, Exhaust, Signal Too Low (B5244S; 2005-2007) ECM-641A: Camshaft Control, Exhaust, Signal Too Low (B5244S6; 2005-2006) ECM-641A: Camshaft Reset Valve, Exhaust, Faulty Signal (B5244S; B5244S6; 2003-2004) ECM-641F: Camshaft Position, Exhaust, Signal Too High (B5244S; 2005-2007) ECM-641F: Camshaft Position, Exhaust, Signal Too High (B5244S6; 2005-2006) ECM-641F: Camshaft Position, Exhaust, Signal Too Low (B5244S; 2005-2007) ECM-641F: Camshaft Position, Exhaust, Signal Too Low (B5244S6; 2005-2006) ECM-641F: Camshaft Reset Valve, Exhaust, Faulty Signal (B5244S; B5244S6; 2003-2004) ECM-643A: Camshaft Position, Exhaust, Signal Too High (B5234T3; 2002-2004) ECM-643A: Camshaft Position, Exhaust, Signal Too High (B5244T3; 2002-2003) ECM-643A: Camshaft Position, Exhaust, Signal Too Low (B5234T3; 2002-2004) ECM-643A: Camshaft Position, Exhaust, Signal Too Low (B5244T3; 2002-2003) ECM-643A: Camshaft Position, Intake, Signal Too High (B5254T2; 2003-2004) ECM-643A: Camshaft Position, Intake, Signal Too High (B5254T4; 2004) ECM-643A: Camshaft Position, Intake, Signal Too Low (B5254T2; 2003-2004) ECM-643A: Camshaft Position, Intake, Signal Too Low (B5254T4; 2004) ECM-6440: Camshaft Reset Valve, Signal Missing, Intermittent Fault (B5234T3; B5244T3; 2001) ECM-6440: Camshaft Reset Valve, Signal Missing, Permanent Fault (B5234T3; B5244T3; 2001) ECM-6440: Camshaft Reset Valve, Signal Too High, Intermittent Fault (B5234T3; B5244T3; 2001) ECM-6440: Camshaft Reset Valve, Signal Too High, Permanent Fault (B5234T3; B5244T3; 2001) ECM-6440: Camshaft Reset Valve, Signal Too Low, Intermittent Fault (B5234T3; B5244T3; 2001) ECM-6440: Camshaft Reset Valve, Signal Too Low, Permanent Fault (B5234T3; B5244T3; 2001) ECM-644A: Camshaft Position, Exhaust, Signal Too High (B5254T2; 2003-2004) ECM-644A: Camshaft Position, Exhaust, Signal Too High (B5254T4; 2004) ECM-644A: Camshaft Position, Exhaust, Signal Too Low (B5254T2; 2003-2004) ECM-644A: Camshaft Position, Exhaust, Signal Too Low (B5254T4; 2004) ECM-644A: Camshaft Reset Valve, Faulty Control (B5234T3; B5244T3; 2001) ECM-644A: Camshaft Reset Valve, Faulty Position (B5234T3; B5244T3; 2001) ECM-644A: Camshaft Reset Valve, Slow Control, Intermittent Fault (B5234T3; B5244T3; 2001) ECM-644A: Camshaft Reset Valve, Slow Control, Permanent Fault (B5234T3; B5244T3; 2001) ECM-650B: Engine Cooling Fan (FC), Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-650C: Engine Cooling Fan (FC), Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-650D: Engine Cooling Fan (FC), Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-660B: Malfunction Indicator Lamp (Mil), Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-660C: Malfunction Indicator Lamp (Mil), Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007) ECM-660D: Malfunction Indicator Lamp (Mil), Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)