Section 45 (Engine Control Module (ECM) Diagnostic Trouble Codes - 2 Of 13)
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2014 Volvo XC90, 2013 Volvo XC90, 2012 Volvo XC90, 2011 Volvo XC90, and 2010 Volvo XC90. However, it is still accessible from the selected car via links, so may be relevant.
- ECM-221C: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-221C: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-221D: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-221D: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-2220: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B5254T2; 2005-2007)
- ECM-2220: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B6294T; 2005-2006)
- ECM-222B: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-222B: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-222C: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-222C: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-222D: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-222D: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-223B: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-223B: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-223C: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-223C: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-223D: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-223D: Rear Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-2240: Rear Heated Oxygen Sensors (Ho2S), Switched. Faulty Signal (B5254T2; 2005-2007)
- ECM-2240: Rear Heated Oxygen Sensors (Ho2S), Switched. Faulty Signal (B6294T; 2005-2006)
- ECM-2300: Rear Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Faulty Signal (B6294T; 2005-2006)
- ECM-2310: Injector 1. Signal Missing. Intermittent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal Missing. Intermittent Fault (B6294T; 2003-2004)
- ECM-2310: Injector 1. Signal Missing. Permanent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal Missing. Permanent Fault (B6294T; 2003-2004)
- ECM-2310: Injector 1. Signal To High. Intermittent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal To High. Intermittent Fault (B6294T; 2003-2004)
- ECM-2310: Injector 1. Signal To High. Permanent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal To High. Permanent Fault (B6294T; 2003-2004)
- ECM-2310: Injector 1. Signal To Low. Intermittent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal To Low. Intermittent Fault (B6294T; 2003-2004)
- ECM-2310: Injector 1. Signal To Low. Permanent Fault (B5254T2; 2003-2004)
- ECM-2310: Injector 1. Signal To Low. Permanent Fault (B6294T; 2003-2004)
- ECM-231B: Rear Heated Oxygen Sensor (Ho2S), Aging, Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-231C: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-231D: Rear Heated Oxygen Sensor (Ho2S) Aging, Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-2320: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Faulty Signal (B6294T; 2005-2006)
- ECM-232B: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-232C: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-232D: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-233B: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-233C: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-233D: Rear Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-2400: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Faulty Signal (B5254T2; 2005-2007)
- ECM-2400: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Faulty Signal (B6294T; 2005-2006)
- ECM-2400: Fuel Pump (FP) Relay. Signal Missing. Intermittent Fault (B5254T2; B6294T; 2003-2004)
- ECM-2400: Fuel Pump (FP) Relay. Signal Missing. Permanent Fault (B5254T2; B6294T; 2003-2004)
- ECM-2400: Fuel Pump (FP) Relay. Signal Too High. Intermittent Fault (B5254T2; B6294T; 2003-2004)
- ECM-2400: Fuel Pump (FP) Relay. Signal Too High. Permanent Fault (B5254T2; B6294T; 2003-2004)
- ECM-240B: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Missing (B5254T2; 2005-2007)
- ECM-240B: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Missing (B6294T; 2005-2006)
- ECM-240C: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too High (B5254T2; 2005-2007)
- ECM-240C: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too High (B6294T; 2005-2006)
- ECM-242D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Slow Regulation (B5254T2; 2005-2007)
- ECM-242D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Slow Regulation (B6294T; 2005-2006)
- ECM-243B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-243B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-243C: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High (B5254T2; 2006-2007)
- ECM-243C: Front Heated Oxygen Sensor (Ho2S), Bank 1 Heating. Signal Too High (B6294T; 2006)
- ECM-244B: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Missing (B5254T2; 2005-2007)
- ECM-244B: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Missing (B6294T; 2005-2006)
- ECM-244C: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too High (B5254T2; 2005-2007)
- ECM-244C: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too High (B6294T; 2005-2006)
- ECM-244D: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too Low (B5254T2; 2005-2007)
- ECM-244D: Front Heated Oxygen Sensor (Ho2S), Bank 1, Heating. Signal Too Low (B6294T; 2005-2006)
- ECM-2450: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B5254T2; 2005-2007)
- ECM-2450: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B6294T; 2005-2006)
- ECM-245B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-245B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-245C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-245C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-245D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-245D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-246B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-246B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-2470: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B5254T2; 2005-2007)
- ECM-2470: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B6294T; 2005-2006)
- ECM-247B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-247B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-247C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-247C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-248C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-248C: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-248D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-248D: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-249B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-249B: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-24A0: Switched Front Heated Oxygen Sensors (Ho2S). Faulty Signal (B5254T2; B6294T; 2005-2006)
- ECM-24AB: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-24AB: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-24B0: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B5254T2; 2005-2007)
- ECM-24B0: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B6294T; 2005-2006)
- ECM-24BB: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B5254T2; 2005-2007)
- ECM-24BB: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Missing (B6294T; 2005-2006)
- ECM-24BC: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B5254T2; 2005-2007)
- ECM-24BC: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too High (B6294T; 2005-2006)
- ECM-24BD: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B5254T2; 2005-2007)
- ECM-24BD: Front Heated Oxygen Sensor (Ho2S), Bank 1. Signal Too Low (B6294T; 2005-2006)
- ECM-24C0: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B5254T2; 2005-2007)
- ECM-24C0: Front Heated Oxygen Sensor (Ho2S), Bank 1. Faulty Signal (B6294T; 2005-2006)
- ECM-2500: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Faulty Signal (B6294T; 2005-2006)
- ECM-250B: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Missing (B6294T; 2005-2006)
- ECM-250C: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Too High (B6294T; 2005-2006)
- ECM-250D: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Too Low (B6294T; 2005-2006)
- ECM-252D: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-253B: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-254B: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Missing (B6294T; 2005-2006)
- ECM-254C: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Too High (B6294T; 2005-2006)
- ECM-254D: Front Heated Oxygen Sensor (Ho2S), Bank 2, Heating. Signal Too Low (B6294T; 2005-2006)
- ECM-2550: Front Heated Oxygen Sensor (Ho2S), Bank 2. Faulty Signal (B6294T; 2005-2006)
- ECM-255B: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-255C: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-255D: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-256B: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-2570: Front Heated Oxygen Sensor (Ho2S), Bank 2. Faulty Signal (B6294T; 2005-2006)
- ECM-257B: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-257C: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-258C: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-258D: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-259B: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-25AB: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-25B0: Front Heated Oxygen Sensor (Ho2S), Bank 2. Faulty Signal (B6294T; 2005-2006)
- ECM-25BB: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Missing (B6294T; 2005-2006)
- ECM-25BC: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too High (B6294T; 2005-2006)
- ECM-25BD: Front Heated Oxygen Sensor (Ho2S), Bank 2. Signal Too Low (B6294T; 2005-2006)
- ECM-25C0: Front Heated Oxygen Sensor (Ho2S), Bank 2. Faulty Signal (B6294T; 2005-2006)
- ECM-260A: Long-Term Fuel Trim. Lower Limit (B5254T2; 2003-2004)
- ECM-260A: Long-Term Fuel Trim. Lower Limit (B6294T; 2003-2004)
- ECM-260A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2003-2004)