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 MANUALSVOLVO2009C30 R-DESIGN, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL MODULE (ECM) DIAGNOSTIC TROUBLE CODES - 3 OF 8
2009 Volvo C30 R-Design, Standard
Engine Control Module (ECM) Diagnostic Trouble Codes - 3 Of 8
2009 Volvo C30 R-Design, StandardSECTION Engine Control Module (ECM) Diagnostic Trouble Codes - 3 Of 8
- ECM-261A: Fuel Pressure System. Signal Too High (B5244S4; 2007-2010)
- ECM-261A: Fuel Pressure System. Signal Too Low (B5244S4; 2007-2010)
- ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-273C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-273D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-2740: Engine Coolant Temperature (ECT) Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-274C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-274D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-275C: Engine Coolant Temperature (ECT) Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-275D: Engine Coolant Temperature (ECT) Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-2800: Fuel Pressure Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-2800: Fuel Pressure Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-280B: Fuel Pressure Sensor. Signal Missing (B5254T3; 2007-2008)
- ECM-280B: Fuel Pressure Sensor. Signal Missing (B5254T7; 2008-2013)
- ECM-280C: Fuel Pressure Sensor. Signal Too High (B5254T3; 2007-2008)
- ECM-280C: Fuel Pressure Sensor. Signal Too High (B5254T7; 2008-2013)
- ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5254T3; 2007-2008)
- ECM-280D: Fuel Pressure Sensor. Signal Too Low (B5254T7; 2008-2013)
- ECM-281C: Text Message. Pressure Too High (B5254T3; 2007-2008)
- ECM-281C: Text Message. Pressure Too High (B5254T7; 2008-2013)
- ECM-2900: Fuel Pressure. Faulty Signal (B5254T3; 2007-2008)
- ECM-2900: Fuel Pressure. Faulty Signal (B5254T7; 2008-2013)
- ECM-290B: Fuel Pressure. Signal Missing (B5254T3; 2007-2008)
- ECM-290B: Fuel Pressure. Signal Missing (B5254T7; 2008-2013)
- ECM-290C: Fuel Pressure. Signal Too High (B5254T3; 2007-2008)
- ECM-290C: Fuel Pressure. Signal Too High (B5254T7; 2008-2013)
- ECM-290D: Fuel Pressure. Signal Too Low (B5254T3; 2007-2008)
- ECM-290D: Fuel Pressure. Signal Too Low (B5254T7; 2008-2013)
- ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T3; 2007-2008)
- ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T7; 2008-2013)
- ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T3; 2007-2008)
- ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T7; 2008-2013)
- ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T3; 2007-2008)
- ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T7; 2008-2013)
- ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5254T3; 2007-2008)
- ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5254T7; 2008-2013)
- ECM-2A00: Center Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; 2007-2010)
- ECM-2A00: Center Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; 2007-2010)
- ECM-2A0A: Center Heated Oxygen Sensor (Ho2S). 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.