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 - 5 OF 8
2011 Volvo C30 R-Design, Automatic
Engine Control Module (ECM) Diagnostic Trouble Codes - 5 Of 8
2011 Volvo C30 R-Design, AutomaticSECTION Engine Control Module (ECM) Diagnostic Trouble Codes - 5 Of 8
- ECM-400D: Three-Way Catalytic Converter (TWC) Efficiency, Bank 1. Signal Too Low (B5254T7; 2008-2013)
- ECM-4038: Fuel Tank Filler Cap. Missing (B5244S4; 2007-2010)
- ECM-4050: Fuel Level Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-405A: Fuel Level Sensor. Faulty Signal (B5244S4; 2007-2010)
- ECM-4201: Three-Way Catalytic Converter (TWC) Efficiency. Faulty Signal (B5244S4; 2007-2010)
- ECM-420C: Evaporative Emission System (EVAP) Valve. Open (B5254T3; 2007-2008)
- ECM-420C: Evaporative Emission System (EVAP) Valve. Open (B5254T7; 2008-2013)
- ECM-420D: Evaporative Emission System (EVAP). Closed (B5254T3; 2007-2008)
- ECM-420D: Evaporative Emission System (EVAP). Closed (B5254T7; 2008-2013)
- ECM-421B: Canister Purge (Cp) Valve. Signal Missing (B5254T3; 2007-2008)
- ECM-421B: Canister Purge (Cp) Valve. Signal Missing (B5254T7; 2008-2013)
- ECM-421C: Evaporative Emission System (EVAP) Valve. Signal Too High (B5254T3; 2007-2008)
- ECM-421C: Evaporative Emission System (EVAP) Valve. Signal Too High (B5254T7; 2008-2013)
- ECM-421D: Evaporative Emission System (EVAP) Valve. Signal Too Low (B5254T3; 2007-2008)
- ECM-421D: Evaporative Emission System (EVAP) Valve. Signal Too Low (B5254T7; 2008-2013)
- ECM-4308: Tank System, Leak. Large Leak (B5244S4; 2007-2010)
- ECM-430C: Fuel Tank System, Leakage. Fuel Tank Filler Cap Missing (B5254T3; 2007-2008)
- ECM-430C: Fuel Tank System, Leakage. Fuel Tank Filler Cap Missing (B5254T7; 2008-2013)
- ECM-4310: Leak Diagnostic Unit, Pump. Signal Too High (B5244S4; 2007-2010)
- ECM-4310: Leak Diagnostic Unit, Pump. Signal Too Low (B5244S4; 2007-2010)
- ECM-431A: Leak Diagnostic Unit, Pump. Faulty Signal (B5244S4; 2007-2010)
- ECM-431B: Leak Diagnostic Unit, Preheating. Signal Missing (B5254T3; 2007-2008)
- ECM-431B: Leak Diagnostic Unit, Preheating. Signal Missing (B5254T7; 2008-2013)
- ECM-431C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T3; 2007-2008)
- ECM-431C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T7; 2008-2013)
- ECM-431D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T3; 2007-2008)
- ECM-431D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T7; 2008-2013)
- ECM-4320: Leak Diagnostic Unit, Valve. Signal Too High (B5244S4; 2007-2010)
- ECM-4320: Leak Diagnostic Unit, Valve. Signal Too Low (B5244S4; 2007-2010)
- ECM-432A: Leak Diagnostic Unit, Valve. Faulty Signal (B5244S4; 2007-2010)
- ECM-432B: Leak Diagnostic Unit, Valve. Signal Missing (B5254T3; 2007-2008)
- ECM-432B: Leak Diagnostic Unit, Valve. Signal Missing (B5254T7; 2008-2013)
- ECM-432C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T3; 2007-2008)
- ECM-432C: Leak Diagnostic Unit, Preheating. Signal Too High (B5254T7; 2008-2013)
- ECM-432D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T3; 2007-2008)
- ECM-432D: Leak Diagnostic Unit, Preheating. Signal Too Low (B5254T7; 2008-2013)
- ECM-433B: Leak Diagnostic Unit, Pump. Signal Missing (B5254T3; 2007-2008)
- ECM-433B: Leak Diagnostic Unit, Pump. Signal Missing (B5254T7; 2008-2013)
- ECM-433C: Leak Diagnostic Unit, Pump. Signal Too High (B5254T3; 2007-2008)
- ECM-433C: Leak Diagnostic Unit, Pump. Signal Too High (B5254T7; 2008-2013)
- ECM-433D: Leak Diagnostic Unit, Pump. Signal Too Low (B5254T3; 2007-2008)
- ECM-433D: Leak Diagnostic Unit, Pump. Signal Too Low (B5254T7; 2008-2013)
- ECM-434C: Fuel Tank System, Leakage. Minor Leak (B5254T3; 2007-2008)
- Diagnostic Trouble Code (DTC) Information ECM-434C
- Leakage
- Checking Software
- Perform Quick-Test Tank System
- DMTL, Test Result = "Problem Found"
- Tank System, Test Result = "No Leakage Found"
- Tank System, Test Result = "Minor Leakage Found"
- DMTL, Test Result And Tank System, Test Result = "Unknown"
- Tank System, Test Result = "Major Leakage Found"
- Test Pressurizing The Tank System
- Fuel Tank System, Check
- ECM-434C: Fuel Tank System, Leakage. Minor Leak (B5254T7; 2008-2013)
- ECM-4350: Leak Diagnostic Unit, Heater Element. Signal Too High (B5244S4; 2007-2010)
- ECM-4350: Leak Diagnostic Unit, Heater Element. Signal Too Low (B5244S4; 2007-2010)
- ECM-4360: Leak Diagnostic Unit. Faulty Signal (B5254T3; 2007-2008)
- Diagnostic Trouble Code (DTC) Information ECM-4360
- Fault-Tracing
- ECM-4360: Leak Diagnostic Unit. Faulty Signal (B5254T7; 2008-2013)
- ECM-436B: Leak Diagnostic Unit. Signal Missing (B5254T3; 2007-2008)
- ECM-436B: Leak Diagnostic Unit. Signal Missing (B5254T7; 2008-2013)
- ECM-436C: Leak Diagnostic Unit. Signal Too High (B5254T3; 2007-2008)
- ECM-436C: Leak Diagnostic Unit. Signal Too High (B5254T7; 2008-2013)
- ECM-436D: Leak Diagnostic Unit. Signal Too Low (B5254T3; 2007-2008)
- ECM-436D: Leak Diagnostic Unit. Signal Too Low (B5254T7; 2008-2013)
- ECM-4380: Fuel Tank Filler Cap Missing. Faulty Signal (B5254T3; 2007-2008)
- ECM-4380: Fuel Tank Filler Cap Missing. Faulty Signal (B5254T7; 2008-2013)
- ECM-439C: Fuel Tank System, Leakage. Major Leak (B5254T3; 2007-2008)
- ECM-439C: Fuel Tank System, Leakage. Major Leak (B5254T7; 2008-2013)
- ECM-442B: Fuel Level Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-442B: Fuel Level Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-442C: Fuel Level Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-442C: Fuel Level Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-442D: Fuel Level Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-442D: Fuel Level Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-4430: Fuel Level Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-4430: Fuel Level Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-470A: Catalyst Heating. Low (B5244S4; 2007-2010)
- ECM-5000: Engine Speed (Rpm) Sensor Signal. Faulty Signal (B5254T3; 2007-2008)
- ECM-5000: Engine Speed (Rpm) Sensor Signal. Faulty Signal (B5254T7; 2008-2013)
- ECM-5000: Air Conditioning (A/C) Pressure Sensor. Signal Too High (B5244S4; 2007-2010)
- ECM-5000: Air Conditioning (A/C) Pressure Sensor. Signal Too Low (B5244S4; 2007-2010)
- ECM-500A: Air Conditioning (A/C) Pressure Sensor. Faulty Signal Or Signal Missing (B5244S4; 2007-2010)
- ECM-500B: Engine Speed (Rpm) Sensor Signal. Signal Missing (B5254T3; 2007-2008)
- ECM-500B: Engine Speed (Rpm) Sensor Signal. Signal Missing (B5254T7; 2008-2013)
- ECM-500C: Engine Speed (Rpm) Sensor Signal. Signal Too High (B5254T3; 2007-2008)
- 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; 2007-2008)
- ECM-5100: Malfunction Indicator Lamp (Mil), Transmission Control Module (TCM). Faulty Signal (B5254T7; 2008-2013)
- ECM-510D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2007-2010)
- ECM-510F: Vehicle Speed Signal. Faulty Signal (B5244S4; 2007-2010)
- ECM-511D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2007-2010)
- ECM-511D: Vehicle Speed Signal. Signal Missing (B5244S4; 2007-2010)
- ECM-512B: Malfunction Indicator Lamp (Mil) Communication. Signal Missing (B5254T3; 2007-2008)
- ECM-512B: Malfunction Indicator Lamp (Mil) Communication. Signal Missing (B5254T7; 2008-2013)
- ECM-512D: Vehicle Speed Signal. Faulty Signal (B5244S4; 2007-2010)
- ECM-513D: Vehicle Speed Signal (VSS). Faulty Signal (B5244S4; 2007-2010)
- ECM-5200: Starter Motor Signal. Signal Too High (B5244S4; 2007-2010)
- ECM-5200: Starter Motor Signal. Signal Too Low (B5244S4; 2007-2010)
- ECM-5200: Air Conditioning (A/C) Pressure Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-5200: Air Conditioning (A/C) Pressure Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-520B: Air Conditioning (A/C) Pressure Sensor. Signal Missing (B5254T3; 2007-2008)
- 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; 2007-2008)
- 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; 2007-2008)
- ECM-520D: Air Conditioning (A/C) Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-530D: Diagnostic Trouble Code (DTC) In The Transmission Control Module (TCM). Faulty Signal (B5244S4; 2007-2010)
- ECM-531D: Diagnostic Trouble Code (DTC) In The Central Electronic Module (CEM). Faulty Signal (B5244S4; 2007-2010)
- ECM-5320: Vehicle Speed Signal (VSS). Faulty Signal (B5254T3; 2007-2008)
- ECM-5320: Vehicle Speed Signal (VSS). Faulty Signal (B5254T7; 2008-2013)
- ECM-532D: High Emissions. Faulty Signal (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.