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.
2011 Volvo V50 T-5FACTORY OEM SERVICE PROCEDURE
Engine Control Module (ECM) Diagnostic Trouble Codes - 4 Of 9
- ECM-281C: Text Message. Pressure Too High (B5254T7; 2008-2011)
- ECM-2900: Fuel Pressure. Faulty Signal (B5254T3; 2005-2007)
- ECM-2900: Fuel Pressure. Faulty Signal (B5254T7; 2008-2011)
- ECM-290B: Fuel Pressure. Signal Missing (B5254T3; 2005-2007)
- ECM-290B: Fuel Pressure. Signal Missing (B5254T7; 2008-2011)
- ECM-290C: Fuel Pressure. Signal Too High (B5254T3; 2005-2007)
- ECM-290C: Fuel Pressure. Signal Too High (B5254T7; 2008-2011)
- ECM-290D: Fuel Pressure. Signal Too Low (B5254T3; 2007)
- ECM-290D: Fuel Pressure. Signal Too Low (B5254T3; 2005-2006)
- ECM-290D: Fuel Pressure. Signal Too Low (B5254T7; 2008-2011)
- ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T3; 2006-2007)
- ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T3; 2005)
- ECM-291B: Fuel Pump Control Module. Signal Missing (B5254T7; 2008-2011)
- ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T3; 2006-2007)
- ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T3; 2005)
- ECM-291C: Fuel Pump Control Module. Signal Too High (B5254T7; 2008-2011)
- ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T3; 2005)
- ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T3; 2006-2007)
- ECM-291D: Fuel Pump Control Module. Signal Too Low (B5254T7; 2008-2011)
- ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5254T3; 2006-2007)
- ECM-2A00: Fuel Temperature Sensor. Faulty Signal (B5254T7; 2008-2011)
- ECM-2A00: Center Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; B5244S7; 2005-2010)
- ECM-2A00: Center Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; B5244S7; 2005-2010)
- ECM-2A0A: Center Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; B5244S7; 2005-2010)
- ECM-2A0B: Fuel Temperature Sensor. Signal Missing (B5254T3; 2006-2007)
- ECM-2A0B: Fuel Temperature Sensor. Signal Missing (B5254T7; 2008-2011)
- ECM-2A0C: Fuel Temperature Sensor. Signal Too High (B5254T3; 2005)
- ECM-2A0C: Fuel Temperature Sensor. Signal Too High (B5254T3; 2006-2007)
- ECM-2A0C: Fuel Temperature Sensor. Signal Too High (B5254T7; 2008-2011)
- ECM-2A0D: Centre Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; B5244S7; 2008-2010)
- ECM-2A0D: Fuel Temperature Sensor. Signal Too Low (B5254T3; 2005)
- ECM-2A0D: Fuel Temperature Sensor. Signal Too Low (B5254T3; 2006-2007)
- ECM-2A0D: Fuel Temperature Sensor. Signal Too Low (B5254T7; 2008-2011)
- ECM-2A10: Fuel Temperature Sensor. Signal Too High (B5254T3; 2006-2007)
- ECM-2A10: Fuel Temperature Sensor. Signal Too High (B5254T7; 2008-2011)
- ECM-2A10: Center Heated Oxygen Sensor (Ho2S). Faulty Signal (B5244S4; B5244S7; 2005-2010)
- ECM-2A10: Center Heated Oxygen Sensor (Ho2S). Signal Too High (B5244S4; B5244S7; 2005-2010)
- ECM-2A10: Center Heated Oxygen Sensor (Ho2S). Signal Too Low (B5244S4; B5244S7; 2005-2010)
- ECM-2A1B: Fuel Temperature Sensor. Signal Too Low (B5254T3; 2006-2007)
- ECM-2A1B: Fuel Temperature Sensor. Signal Too Low (B5254T7; 2008-2011)
- ECM-2A1C: Fuel Temperature Sensor. Signal Too High (B5254T3; 2006-2007)
- ECM-2A1C: Fuel Temperature Sensor. Signal Too High (B5254T7; 2008-2011)
- ECM-2A1D: Fuel Temperature Sensor. Signal Too Low (B5254T3; 2006-2007)
- ECM-2A1D: Fuel Temperature Sensor. Signal Too Low (B5254T7; 2008-2011)
- ECM-2B00: Fuel Temperature Sensor. Signal Too High (B5244S4; B5244S7; 2005-2010)
- ECM-2B00: Fuel Temperature Sensor. Signal Too Low (B5244S4; B5244S7; 2005-2010)
- ECM-2B00: Thermostat. Faulty Signal (B5254T3; 2005-2007)
- ECM-2B00: Thermostat. Faulty Signal (B5254T7; 2008-2011)
- ECM-2B0A: Fuel Temperature Sensor. Faulty Signal (B5244S4; B5244S7; 2005-2010)
- ECM-3000: Camshaft Position (CMP) Sensor, Intake. Faulty Signal (B5244S4; B5244S7; 2005-2010)
- ECM-300A: Camshaft Position (CMP) Sensor, Intake. Faulty Signal (B5244S4; B5244S7; 2005-2010)
- ECM-3010: Camshaft Position (CMP) Sensor, Exhaust. Faulty Signal (B5244S4; B5244S7; 2005-2010)
Factory Service Tools
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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.
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