October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Engine Control Module (ECM) Diagnostic Trouble Codes - 5 Of 8 Expand All (for easy ctrl-f) Collapse All ECM-400C: Three-Way Catalytic Converter (TWC) Efficiency, Bank 1. Signal Too High (B5254T3; 2006-2007) ECM-400D: Three-Way Catalytic Converter (TWC) Efficiency, Bank 1. Signal Too Low (B5254T7; 2008-2013) ECM-4038: Fuel Tank Filler Cap. Missing (B5244S4; 2006-2007) ECM-4050: Fuel Level Sensor. Faulty Signal (B5244S4; 2006-2007) ECM-405A: Fuel Level Sensor. Faulty Signal (B5244S4; 2006-2007) ECM-4201: Three-Way Catalytic Converter (TWC) Efficiency. Faulty Signal (B5244S4; 2006-2007) ECM-420C: Evaporative Emission System (EVAP) Valve. Open (B5254T3; 2006-2007) ECM-420C: Evaporative Emission System (EVAP) Valve. Open (B5254T7; 2008-2013) ECM-420D: Evaporative Emission System (EVAP). Closed (B5254T3; 2006-2007) ECM-420D: Evaporative Emission System (EVAP). Closed (B5254T7; 2008-2013) ECM-421B: Canister Purge (Cp) Valve. Signal Missing (B5254T3; 2006-2007) ECM-421B: Canister Purge (Cp) Valve. Signal Missing (B5254T7; 2008-2013) ECM-421C: Evaporative Emission System (EVAP) Valve. Signal Too High (B5254T3; 2006-2007) ECM-421C: Evaporative Emission System (EVAP) Valve. Signal Too High (B5254T7; 2008-2013) ECM-421D: Evaporative Emission System (EVAP) Valve. Signal Too Low (B5254T3; 2006-2007) ECM-421D: Evaporative Emission System (EVAP) Valve. Signal Too Low (B5254T7; 2008-2013) ECM-4308: Tank System, Leak. Large Leak (B5244S4; 2006-2007) ECM-430C: Fuel Tank System, Leakage. Fuel Tank Filler Cap Missing (B5254T3; 2006-2007) ECM-430C: Fuel Tank System, Leakage. Fuel Tank Filler Cap Missing (B5254T7; 2008-2013) ECM-4310: Leak Diagnostic Unit, Pump. Signal Too High (B5244S4; 2006-2007) ECM-4310: Leak Diagnostic Unit, Pump. Signal Too Low (B5244S4; 2006-2007) ECM-431A: Leak Diagnostic Unit, Pump. Faulty Signal (B5244S4; 2006-2007) ECM-431B: Leak Diagnostic Unit, Preheating. Signal Missing (B5254T3; 2006-2007) ECM-431B: Leak Diagnostic Unit, Preheating. Signal Missing (B5254T7; 2008-2013) ECM-431C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T3; 2006-2007) ECM-431C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T7; 2008-2013) ECM-431D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T3; 2006-2007) ECM-431D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T7; 2008-2013) ECM-4320: Leak Diagnostic Unit, Valve. Signal Too High (B5244S4; 2006-2007) ECM-4320: Leak Diagnostic Unit, Valve. Signal Too Low (B5244S4; 2006-2007) ECM-432A: Leak Diagnostic Unit, Valve. Faulty Signal (B5244S4; 2006-2007) ECM-432B: Leak Diagnostic Unit, Valve. Signal Missing (B5254T3; 2006-2007) ECM-432B: Leak Diagnostic Unit, Valve. Signal Missing (B5254T7; 2008-2013) ECM-432C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T3; 2006-2007) ECM-432C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T7; 2008-2013) ECM-432D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T3; 2006-2007) ECM-432D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T7; 2008-2013) ECM-433B: Leak Diagnostic Unit, Pump. Signal Missing (B5254T3; 2006-2007) ECM-433B: Leak Diagnostic Unit, Pump. Signal Missing (B5254T7; 2008-2013) ECM-433C: Leak Diagnostic Unit, Pump. Signal Too High (B5254T3; 2006-2007) ECM-433C: Leak Diagnostic Unit, Pump. Signal Too High (B5254T7; 2008-2013) ECM-433D: Leak Diagnostic Unit, Pump. Signal Too Low (B5254T3; 2006-2007) ECM-433D: Leak Diagnostic Unit, Pump. Signal Too Low (B5254T7; 2008-2013) ECM-434C: Fuel Tank System, Leakage. Minor Leak (B5254T3; 2006-2007) ECM-434C: Fuel Tank System, Leakage. Minor Leak (B5254T7; 2008-2013) ECM-4350: Leak Diagnostic Unit, Heater Element. Signal Too High (B5244S4; 2006-2007) ECM-4350: Leak Diagnostic Unit, Heater Element. Signal Too Low (B5244S4; 2006-2007) ECM-4360: Leak Diagnostic Unit. Faulty Signal (B5254T3; 2006-2007) ECM-4360: Leak Diagnostic Unit. Faulty Signal (B5254T7; 2008-2013) ECM-436B: Leak Diagnostic Unit. Signal Missing (B5254T3; 2006-2007) ECM-436B: Leak Diagnostic Unit. Signal Missing (B5254T7; 2008-2013) ECM-436C: Leak Diagnostic Unit. Signal Too High (B5254T3; 2006-2007) ECM-436C: Leak Diagnostic Unit. Signal Too High (B5254T7; 2008-2013) ECM-436D: Leak Diagnostic Unit. Signal Too Low (B5254T3; 2006-2007) ECM-436D: Leak Diagnostic Unit. Signal Too Low (B5254T7; 2008-2013) ECM-4380: Fuel Tank Filler Cap Missing. Faulty Signal (B5254T3; 2006-2007) ECM-4380: Fuel Tank Filler Cap Missing. Faulty Signal (B5254T7; 2008-2013) ECM-439C: Fuel Tank System, Leakage. Major Leak (B5254T3; 2006-2007) ECM-439C: Fuel Tank System, Leakage. Major Leak (B5254T7; 2008-2013) ECM-4400: Fuel Level Sensor. Faulty Signal (B5254T3; 2006) ECM-440B: Fuel Level Sensor. Signal Missing (B5254T3; 2006) ECM-440C: Fuel Level Sensor. Signal Too High (B5254T3; 2006) ECM-440D: Fuel Level Sensor. Signal Too Low (B5254T3; 2006) ECM-442B: Fuel Level Sensor. Signal Missing (B5254T3; 2006-2007) ECM-442B: Fuel Level Sensor. Signal Missing (B5254T7; 2008-2013) ECM-442C: Fuel Level Sensor. Signal Too High (B5254T3; 2006-2007) ECM-442C: Fuel Level Sensor. Signal Too High (B5254T7; 2008-2013) ECM-442D: Fuel Level Sensor. Signal Too Low (B5254T3; 2006-2007) ECM-442D: Fuel Level Sensor. Signal Too Low (B5254T7; 2008-2013) ECM-4430: Fuel Level Sensor. Faulty Signal (B5254T3; 2006-2007) ECM-4430: Fuel Level Sensor. Faulty Signal (B5254T7; 2008-2013) ECM-470A: Catalyst Heating. Low (B5244S4; 2006-2007) ECM-5000: Engine Speed (Rpm) Sensor Signal. Faulty Signal (B5254T3; 2006-2007) ECM-5000: Engine Speed (Rpm) Sensor Signal. Faulty Signal (B5254T7; 2008-2013) ECM-5000: Air Conditioning (A/C) Pressure Sensor. Signal Too High (B5244S4; 2006-2007) ECM-5000: Air Conditioning (A/C) Pressure Sensor. Signal Too Low (B5244S4; 2006-2007) ECM-500A: Air Conditioning (A/C) Pressure Sensor. Faulty Signal Or Signal Missing (B5244S4; 2006-2007) ECM-500B: Engine Speed (Rpm) Sensor Signal. Signal Missing (B5254T3; 2006-2007) ECM-500B: Engine Speed (Rpm) Sensor Signal. Signal Missing (B5254T7; 2008-2013) ECM-500C: Engine Speed (Rpm) Sensor Signal. Signal Too High (B5254T3; 2006-2007) ECM-500C: Engine Speed (Rpm) Sensor Signal. Signal Too High (B5254T7; 2008-2013) ECM-5100: Malfunction Indicator Lamp (Mil), Transmission Control Module (TCM). Faulty Signal (B5254T3; 2006-2007) ECM-5100: Malfunction Indicator Lamp (Mil), Transmission Control Module (TCM). Faulty Signal (B5254T7; 2008-2013) ECM-510D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2006-2007) ECM-510F: Vehicle Speed Signal. Faulty Signal (B5244S4; 2006-2007) ECM-511D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2006-2007) ECM-511D: Vehicle Speed Signal. Signal Missing (B5244S4; 2006-2007) ECM-512B: Malfunction Indicator Lamp (Mil) Communication. Signal Missing (B5254T3; 2006-2007) ECM-512B: Malfunction Indicator Lamp (Mil) Communication. Signal Missing (B5254T7; 2008-2013) ECM-512D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2006-2007) ECM-513D: Vehicle Speed Signal (VSS). Faulty Signal (B5244S4; 2007) ECM-5200: Starter Motor Signal. Signal Too High (B5244S4; 2006-2007) ECM-5200: Starter Motor Signal. Signal Too Low (B5244S4; 2006-2007) ECM-5200: Air Conditioning (A/C) Pressure Sensor. Faulty Signal (B5254T3; 2006-2007) ECM-5200: Air Conditioning (A/C) Pressure Sensor. Faulty Signal (B5254T7; 2008-2013) ECM-520B: Air Conditioning (A/C) Pressure Sensor. Signal Missing (B5254T3; 2006-2007) ECM-520B: Air Conditioning (A/C) Pressure Sensor. Signal Missing (B5254T7; 2008-2013) ECM-520C: Air Conditioning (A/C) Pressure Sensor. Signal Too High (B5254T3; 2006-2007) ECM-520C: Air Conditioning (A/C) Pressure Sensor. Signal Too High (B5254T7; 2008-2013) ECM-520D: Air Conditioning (A/C) Pressure Sensor. Signal Too Low (B5254T3; 2006-2007) ECM-520D: Air Conditioning (A/C) Pressure Sensor. Signal Too Low (B5254T7; 2008-2013) ECM-530C: Speed Signal. Signal Too High (B5254T3; 2006) ECM-530D: Diagnostic Trouble Code (DTC) In The Transmission Control Module (TCM). Faulty Signal (B5244S4; 2006-2007) ECM-530D: Speed Signal. Signal Too Low (B5254T3; 2006) ECM-531C: Vehicle Speed Signal (VSS). Signal Missing (B5254T3; 2006-2007) ECM-531C: Vehicle Speed Signal (VSS). Signal Missing (B5254T7; 2008-2013) ECM-531D: Diagnostic Trouble Code (DTC) In The Central Electronic Module (CEM). Faulty Signal (B5244S4; 2006-2007) ECM-5320: Vehicle Speed Signal (VSS). Faulty Signal (B5254T3; 2006-2007) ECM-5320: Vehicle Speed Signal (VSS). Faulty Signal (B5254T7; 2008-2013) ECM-532D: Communication, Central Electronic Module (CEM). Signal Too High (B5254T3; 2007) ECM-532D: Communication, Central Electronic Module (CEM). Signal Too High (B5254T7; 2008-2013) ECM-532D: High Emissions. Faulty Signal (B5244S4; 2006-2007)