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Engine Control Module (ECM) - Diagnostic Trouble Codes And Associated Procedures - 4 Of 14 Expand All (for easy ctrl-f) Collapse All ECM-250A: Long-Term Fuel Trim. Upper Limit (B5244S6; 2003-2006) ECM-2600: Fuel Pressure Sensor. Signal Too High (B5244S; B5244S6; 2003-2006) ECM-2600: Fuel Pressure Sensor. Signal Too Low (B5244S; B5244S6; 2003-2006) ECM-260A: Fuel Pressure Sensor. Faulty Signal (B5244S; B5244S6; 2003-2006) ECM-260A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004) ECM-260A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004) ECM-260A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003) ECM-260A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004) ECM-260A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004) ECM-260A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004) ECM-260A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003) ECM-260A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004) ECM-2610: Fuel Pump Control Module. Signal Too High (B5244S; B5244S6; 2003-2006) ECM-2610: Fuel Pump Control Module. Signal Too Low (B5244S; B5244S6; 2003-2004) ECM-261A: Fuel Pressure System. Faulty Signal (B5244S; B5244S6; 2003-2004) ECM-261A: Fuel Pressure System. Faulty Signal (B5244S; 2005-2006) ECM-261A: Fuel Pressure System. Faulty Signal (B5244S6; 2005-2006) ECM-261A: Fuel Pressure System. Signal Too High (B5244S; B5244S6; 2005-2006) ECM-261A: Fuel Pressure System. Signal Too Low (B5244S; 2005-2006) ECM-261A: Fuel Pressure System. Signal Too Low (B5244S6; 2005-2006) ECM-261A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004) ECM-261A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004) ECM-261A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003) ECM-261A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004) ECM-261A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004) ECM-261A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004) ECM-261A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003) ECM-261A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004) ECM-262A: Long-Term Fuel Trim. Lower Limit (B5204T5; 2004) ECM-262A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004) ECM-262A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003) ECM-262A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004) ECM-262A: Long-Term Fuel Trim. Lower Limit (B5254T4; 2004) ECM-262A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004) ECM-262A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004) ECM-262A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003) ECM-262A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004) ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5204T5; B5254T4; 2004) ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5234T3; 2001-2004) ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5244T3; 2001-2003) ECM-268A: Long-Term Fuel Trim. Faulty Signal (B5254T2; 2003-2004) ECM-268A: Long-Term Fuel Trim. Lower Limit (B5204T5; B5254T4; 2004) ECM-268A: Long-Term Fuel Trim. Lower Limit (B5234T3; 2001-2004) ECM-268A: Long-Term Fuel Trim. Lower Limit (B5244T3; 2001-2003) ECM-268A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004) ECM-268A: Long-Term Fuel Trim. Upper Limit (B5204T5; B5254T4; 2004) ECM-268A: Long-Term Fuel Trim. Upper Limit (B5234T3; 2001-2004) ECM-268A: Long-Term Fuel Trim. Upper Limit (B5244T3; 2001-2003) ECM-268A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004) ECM-2720: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5204T5; B5244T5; B5254T2; B5254T4; 2005) ECM-272D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5244T5; B5254T2; B5254T4; 2005) ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5244T5; B5254T2; B5254T4; 2005) ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; 2007) ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2007-2009) ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T4; 2007) ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007) ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009) ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5204T5; B5254T4; 2006-2007) ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5244T5; B5254T2; 2006-2009) ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5254T4; 2006-2007) ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2006-2009) ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007) ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009) ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5204T5; B5254T4; 2006-2007) ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244T5; B5254T2; 2006-2009) ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5204T5; B5254T4; 2006-2007) ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244T5; B5254T2; 2006-2009) ECM-2800: Fuel Pressure Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007) ECM-2800: Fuel Pressure Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Intermittent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal. Permanent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Intermittent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing. Permanent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Intermittent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High. Permanent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Intermittent Fault (B5254T2; 2003-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5204T5; B5254T4; 2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5234T3; 2001-2004) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5244T3; 2001-2003) ECM-280A: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low. Permanent Fault (B5254T2; 2003-2004) ECM-280B: Fuel Pressure Sensor. Signal Missing (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006) ECM-280B: Fuel Pressure Sensor. Signal Missing (B5204T5; B5254T4; 2007) ECM-280B: Fuel Pressure Sensor. Signal Missing (B5244T5; B5254T2; 2007-2009) ECM-280C: Fuel Pressure Sensor. Signal Too High (B5204T5; B5254T4; 2005-2007) ECM-280C: Fuel Pressure Sensor. Signal Too High (B5244T5; B5254T2; 2005-2009) ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5204T5; B5254T4; 2005-2007) ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5244T5; B5254T2; 2005-2009) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Intermittent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Faulty Signal. Permanent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Intermittent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Missing. Permanent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Intermittent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High. Permanent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Intermittent Fault (B5254T2; 2003-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5204T5; B5254T4; 2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5234T3; 2001-2004) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5244T3; 2001-2003) ECM-2810: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too Low. Permanent Fault (B5254T2; 2003-2004) ECM-281C: Text Message. Pressure Too High (B5204T5; 2007) ECM-281C: Text Message. Pressure Too High (B5244T5; B5254T2; 2007-2009) ECM-281C: Text Message. Pressure Too High (B5254T4; 2007) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Faulty Signal. Intermittent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Faulty Signal. Permanent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Missing. Intermittent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Missing. Permanent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too High. Intermittent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too High. Permanent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too Low. Intermittent Fault (B5234T3; B5244T3; 2002) ECM-2820: Heated Oxygen Sensor (Ho2S) Bank 1, Preheating. Signal Too Low. Permanent Fault (B5234T3; B5244T3; 2002) ECM-2900: Fuel Pressure. Faulty Signal (B5204T5; B5254T4; 2005-2007) ECM-2900: Fuel Pressure. Faulty Signal (B5244T5; B5254T2; 2005-2009) ECM-290B: Fuel Pressure. Signal Missing (B5204T5; 2005-2007) ECM-290B: Fuel Pressure. Signal Missing (B5244T5; B5254T2; 2005-2009) ECM-290B: Fuel Pressure. Signal Missing (B5254T4; 2005-2007) ECM-290C: Fuel Pressure. Signal Too High (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006) ECM-290C: Fuel Pressure. Signal Too High (B5204T5; 2007) ECM-290C: Fuel Pressure. Signal Too High (B5244T5; B5254T2; 2007-2009) ECM-290C: Fuel Pressure. Signal Too High (B5254T4; 2007) ECM-290D: Fuel Pressure. Signal Too Low (B5204T5; 2007) ECM-290D: Fuel Pressure. Signal Too Low (B5204T5; B5244T5; B5254T2; B5254T4; 2005-2006) ECM-290D: Fuel Pressure. Signal Too Low (B5244T5; B5254T2; 2007-2009) ECM-290D: Fuel Pressure. Signal Too Low (B5254T4; 2007) ECM-291B: Fuel Pump Control Module. Signal Missing (B5204T5; 2005-2007) ECM-291B: Fuel Pump Control Module. Signal Missing (B5244T5; B5254T2; 2005-2009) ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T4; 2005-2007) ECM-291C: Fuel Pump Control Module. Signal Too High (B5204T5; 2005-2007) ECM-291C: Fuel Pump Control Module. Signal Too High (B5244T5; B5254T2; 2005-2009) ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T4; 2005-2007) ECM-291D: Fuel Pump Control Module. Signal Too Low (B5204T5; 2005-2007) ECM-291D: Fuel Pump Control Module. Signal Too Low (B5244T5; B5254T2; 2005-2009) ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T4; 2005-2007) ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5204T5; B5244T5; B5254T2; B5254T4; 2006) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5254T2; 2003-2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5254T4; 2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5204T5; 2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5234T3; 2001-2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Intermittent Fault (B5244T3; 2001-2003) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5204T5; 2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5234T3; 2001-2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal. Permanent Fault (B5244T3; 2001-2003) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing (B5254T2; 2003-2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing (B5254T4; 2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5204T5; 2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5234T3; 2001-2004) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Intermittent Fault (B5244T3; 2001-2003) ECM-2A0A: Rear Heated Oxygen Sensor (Ho2S). Signal Missing. Permanent Fault (B5204T5; 2004)