Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLVO2011C30 R-DESIGN, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL MODULE (ECM) DIAGNOSTIC TROUBLE CODES - 1 OF 8
2011 Volvo C30 R-Design, Automatic
Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 8
2011 Volvo C30 R-Design, AutomaticSECTION Engine Control Module (ECM) Diagnostic Trouble Codes - 1 Of 8
- ECM-1000: Engine Control Module (ECM). Signal Too High / Signal Too Low (B5244S4; 2007-2010)
- ECM-100A: Engine Control Module (ECM). Faulty Signal (B5244S4; 2007-2010)
- ECM-1100: Outside Temperature Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-110A: Outside Temperature Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-112C: Atmospheric Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-112C: Atmospheric Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-112D: Atmospheric Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-112D: Atmospheric Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-1130: Atmospheric Pressure Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-1130: Atmospheric Pressure Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-113B: Atmospheric Pressure Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-113B: Atmospheric Pressure Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-113C: Atmospheric Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-113C: Atmospheric Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-113D: Atmospheric Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-113D: Atmospheric Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-1200: Intake Air Temperature (IAT) Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-1200: Intake Air Temperature (IAT) Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-120A: Intake Air Temperature (IAT) Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-120D: Intake Air Temperature (IAT) Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-122C: Mass Air Flow (MAF) Sensor. Flow Too High (B5254T3; 2007-2008)
- ECM-122C: Mass Air Flow (MAF) Sensor. Flow Too High (B5254T7; 2008-2013)
- ECM-122D: Mass Air Flow (MAF) Sensor. Flow Too Low (B5254T3; 2007-2008)
- ECM-122D: Mass Air Flow (MAF) Sensor. Flow Too Low (B5254T7; 2008-2013)
- ECM-1230: Air Mass. Signal Too Low (B5254T3; 2007-2008)
- ECM-1230: Air Mass. Signal Too Low (B5254T7; 2008-2013)
- ECM-123B: Air Mass. Signal Too High (B5254T3; 2007-2008)
- ECM-123B: Air Mass. Signal Too High (B5254T7; 2008-2013)
- ECM-123C: Air Mass. Signal Too High (B5254T3; 2007-2008)
- ECM-123C: Air Mass. Signal Too High (B5254T7; 2008-2013)
- ECM-123D: Air Mass. Signal Too Low (B5254T3; 2007-2008)
- ECM-123D: Air Mass. Signal Too Low (B5254T7; 2008-2013)
- ECM-125C: Boost Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-125C: Boost Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-125D: Boost Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-125D: Boost Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-1260: Boost Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-1260: Boost Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-126B: Boost Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-126B: Boost Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-126C: Boost Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-126C: Boost Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-126D: Boost Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-126D: Boost Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-1300: Mass Air Flow (MAF) Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-1300: Mass Air Flow (MAF) Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-130A: Mass Air Flow (MAF) Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-130B: Mass Air Flow (MAF) Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-130B: Mass Air Flow (MAF) Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-131C: Intake Air Temperature (IAT) Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-131C: Intake Air Temperature (IAT) Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-131D: Intake Air Temperature (IAT) Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-131D: Intake Air Temperature (IAT) Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-1320: Intake Air Temperature (IAT) Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-1320: Intake Air Temperature (IAT) Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-132C: Intake Air Temperature (IAT) Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-132C: Intake Air Temperature (IAT) Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-133C: Intake Air Temperature (IAT) Sensor Inlet. Signal Too High (B5254T3; 2007-2008)
- ECM-133C: Intake Air Temperature (IAT) Sensor Inlet. Signal Too High (B5254T7; 2008-2013)
- ECM-133D: Intake Air Temperature (IAT) Sensor Inlet. Signal Too Low (B5254T3; 2007-2008)
- ECM-133D: Intake Air Temperature (IAT) Sensor Inlet. Signal Too Low (B5254T7; 2008-2013)
- ECM-1400: Intake Pressure Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-1400: Intake Pressure Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-140A: Intake Pressure Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-140B: Manifold Pressure Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-140B: Manifold Pressure Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-1410: Outside Temperature Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-1410: Outside Temperature Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-141B: Outside Temperature Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-141B: Outside Temperature Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-142B: Outside Temperature Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-142B: Outside Temperature Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-142C: Outside Temperature Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-142C: Outside Temperature Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-142D: Outside Temperature Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-142D: Outside Temperature Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-143C: Outside Temperature Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-143C: Outside Temperature Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-143D: Outside Temperature Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-143D: Outside Temperature Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-160A: Electronic Throttle Unit. Faulty Signal (B5244S4; 2007-2010)
- ECM-2000: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-2000: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-200A: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-200B: Injector CYL 1. Signal Missing (B5254T3; 2007-2008)
- ECM-200B: Injector CYL 1. Signal Missing (B5254T7; 2008-2013)
- ECM-200C: Injector CYL 1. Signal Too High (B5254T3; 2007-2008)
- ECM-200C: Injector CYL 1. Signal Too High (B5254T7; 2008-2013)
- ECM-200D: Injector CYL 1. Signal Too Low (B5254T3; 2007-2008)
- ECM-200D: Injector CYL 1. Signal Too Low (B5254T7; 2008-2013)
- ECM-200F: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-201A: Thermostat. Faulty Signal (B5244S4; 2007-2010)
- ECM-210A: Front Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; 2007-2010)
- ECM-210F: Front Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; 2007-2010)
- ECM-2110: Front Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; 2007-2010)
- ECM-2110: Front Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; 2007-2010)
- ECM-2120: Front Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; 2007-2010)
- ECM-2120: Front Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; 2007-2010)
- ECM-21AC: Long-Term Fuel Trim Load, Bank1. Upper Limit (B5254T3; 2007-2008)
- ECM-21AC: Long-Term Fuel Trim Load, Bank1. Upper Limit (B5254T7; 2008-2013)
- ECM-21AD: Long-Term Fuel Trim Load, Bank1. Lower Limit (B5254T3; 2007-2008)
- ECM-21AD: Long-Term Fuel Trim Load, Bank1. Lower Limit (B5254T7; 2008-2013)
- ECM-21CC: Long-Term Fuel Trim, Idling, Bank 1. Upper Limit (B5254T3; 2007-2008)
- ECM-21CC: Long-Term Fuel Trim, Idling, Bank 1. Upper Limit (B5254T7; 2008-2013)
- ECM-21CD: Long-Term Fuel Trim, Idling, Bank 1. Lower Limit (B5254T3; 2007-2008)
- ECM-21CD: Long-Term Fuel Trim, Idling, Bank 1. Lower Limit (B5254T7; 2008-2013)
- ECM-2200: Rear Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Faulty Signal (B5254T3; 2007-2008)
- ECM-2200: Rear Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Faulty Signal (B5254T7; 2008-2013)
- ECM-2200: Rear Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; 2007-2010)
- ECM-2200: Rear Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; 2007-2010)
- ECM-220A: Rear Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; 2007-2010)
- ECM-220B: Rear Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; 2007-2010)
- ECM-220B: Rear Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; 2007-2010)
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.