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.
2003 Volvo V70 Base, 2.4 61, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 12 Of 14
- ECM-919A: Engine Control Module (ECM). Faulty Signal (B5244T3; 2002-2003)
- ECM-919A: Engine Control Module (ECM). Faulty Signal (B5254T2; 2003-2004)
- ECM-919A: Engine Control Module (ECM). Faulty Signal (B5254T4; 2004)
- ECM-91A7: Throttle Position (TP). Faulty Control (B5234T3; B5244T3; 2001)
- ECM-91A7: Throttle Position (TP). Faulty Control (B5244S; 2001-2002)
- ECM-91A7: Throttle Position (TP). Faulty Control (B5244S; 2001)
- ECM-91A7: Throttle Unit. Faulty Signal (B5234T3; 2002-2004)
- ECM-91A7: Throttle Unit. Faulty Signal (B5244T3; 2002-2003)
- ECM-91A7: Throttle Unit. Faulty Signal (B5254T2; 2003-2004)
- ECM-91A7: Throttle Unit. Faulty Signal (B5254T4; 2004)
- ECM-91B7: Throttle Position (TP). Faulty Position (B5234T3; B5244T3; 2001)
- ECM-91B7: Throttle Position (TP). Faulty Position (B5244S; 2001-2002)
- ECM-91B7: Throttle Unit. Faulty Signal (B5234T3; 2002-2004)
- ECM-91B7: Throttle Unit. Faulty Signal (B5244T3; 2002-2003)
- ECM-91B7: Throttle Unit. Faulty Signal (B5254T2; 2003-2004)
- ECM-91B7: Throttle Unit. Faulty Signal (B5254T4; 2004)
- ECM-91C7: Throttle Unit. Faulty Signal (B5234T3; 2002-2004)
- ECM-91C7: Throttle Unit. Faulty Signal (B5244T3; 2002-2003)
- ECM-91C7: Throttle Unit. Faulty Signal (B5254T2; 2003-2004)
- ECM-91C7: Throttle Unit. Faulty Signal (B5254T4; 2004)
- ECM-91CF: Brake Pedal Position. Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-91CF: Brake Pedal Position. Faulty Signal (B5244S; 2001-2002)
- ECM-91DF: Brake Pedal Position. Faulty Position (B5234T3; B5244T3; 2001)
- ECM-91DF: Brake Pedal Position. Faulty Position (B5244S; 2001-2002)
- ECM-91E0: Throttle Valve. Too High Supply Voltage (B5234T3; B5244T3; 2001)
- ECM-91E0: Throttle Valve. Too High Supply Voltage (B5244S; 2001-2002)
- ECM-91F0: Throttle Position (TP). Faulty Current (B5234T3; B5244T3; 2001)
- ECM-91F0: Throttle Position (TP). Faulty Current (B5244S; 2001-2002)
- ECM-9200: Cruise Control. Faulty Signal (B5244S; 2003-2007)
- ECM-9200: Cruise Control. Faulty Signal (B5244S; 2001-2002)
- ECM-9200: Cruise Control. Faulty Signal (B5244S6; 2003-2006)
- ECM-9200: Cruise Control. Signal Too High (B5244S; 2001-2002)
- ECM-9200: Throttle Position (TP) Sensor. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9210: Electronic Throttle Unit, Potentiometer 1. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-921C: Electronic Throttle Unit, Potentiometer 1. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-921D: Electronic Throttle Unit, Potentiometer 1. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-921F: Clutch Pedal Position. Faulty Position (B5244S; 2001-2002)
- ECM-9220: Electronic Throttle Unit, Potentiometer 2. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-922A: Cruise Control. Faulty Signal (B5244S; 2001-2002)
- ECM-922C: Cruise Control. Communication Fault (B5244S; 2003-2007)
- ECM-922C: Cruise Control. Communication Fault (B5244S6; 2003-2006)
- ECM-922C: Electronic Throttle Unit, Potentiometer 2. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-922D: Electronic Throttle Unit, Potentiometer 2. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9240: Engine Control Module (ECM). Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-925C: Electronic Throttle Unit. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-925D: Electronic Throttle Unit. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-926C: Electronic Throttle Unit. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-926D: Electronic Throttle Unit. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9270: Throttle Unit. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9280: Throttle Unit. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-928C: Cruise Control. Signal Missing. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Cruise Control. Signal Missing. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Cruise Control. Signal Too High. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Cruise Control. Signal Too High. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Cruise Control. Signal Too Low. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Cruise Control. Signal Too Low. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-928C: Control Module, Communication Problems. Faulty Signal (B5234T3; 2002-2004)
- ECM-928C: Control Module, Communication Problems. Faulty Signal (B5244T3; 2002-2003)
- ECM-928C: Control Module, Communication Problems. Faulty Signal (B5254T2; 2003-2004)
- ECM-928C: Control Module, Communication Problems. Faulty Signal (B5254T4; 2004)
- ECM-9290: Engine Control Module (ECM). Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2006)
- ECM-929C: Engine Control Module (ECM). Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-929D: Engine Control Module (ECM). Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-92B0: Electronic Throttle Unit. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-92CC: Electronic Throttle Unit. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-92CD: Electronic Throttle Unit. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-92D0: Electronic Throttle Unit. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-92E0: Engine Control Module (ECM). Internal Fault (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9300: Clutch Pedal Position Sensor, Faulty Signal. Signal Too High. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor, Faulty Signal. Signal Too High. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor, Faulty Signal. Signal Too Low. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor, Faulty Signal. Signal Too Low. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal (B5234T3; 2002-2004)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal (B5244S; 2001-2002)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal (B5244T3; 2002-2003)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal (B5254T2; 2003-2004)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal (B5254T4; 2004)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal. Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor. Faulty Signal. Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too High (B5234T3; 2002-2004)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too High (B5244S; 2001-2002)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too High (B5244T3; 2002-2003)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too High (B5254T2; 2003-2004)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too High (B5254T4; 2004)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too Low (B5234T3; 2002-2004)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too Low (B5244S; 2001-2002)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too Low (B5244T3; 2002-2003)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too Low (B5254T2; 2003-2004)
- ECM-9300: Clutch Pedal Position Sensor. Signal Too Low (B5254T4; 2004)
- ECM-9300: Control Module Communication Problems. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-930A: Clutch Pedal Sensor. Faulty Signal (B5244S; 2001-2002)
- ECM-930B: Control Module Communication Problems. Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-930C: Clutch Pedal Sensor. Faulty Signal (B5244S; 2003-2007)
- ECM-930C: Clutch Pedal Sensor. Faulty Signal (B5244S6; 2003-2006)
- ECM-930C: Clutch Pedal Sensor. Signal Too High (B5244S; 2003-2007)
- ECM-930C: Clutch Pedal Sensor. Signal Too High (B5244S6; 2003-2006)
- ECM-930C: Clutch Pedal Sensor. Signal Too Low (B5244S; 2003-2007)
- ECM-930C: Clutch Pedal Sensor. Signal Too Low (B5244S6; 2003-2006)
- ECM-930C: Control Module, Communication Problems. Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-930D: Control Module Communication Problems. Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9400: Brake Pedal Sensor Faulty Signal (B5244S; 2002)
- ECM-9400: Accelerator Pedal (AP) Position Sensor, Analog Signal. Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-9400: Brake Pedal Position Sensor, Faulty Signal. Signal Too High. Intermittent Fault (B5234T3; B5244T3; 2001)
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.