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.
2004 Volvo V70 Base, 2.4 61, StandardFACTORY OEM SERVICE PROCEDURE
Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 6 Of 14
- ECM-3410: Rear Knock Sensor (KS), Signal Too Low (B5244S; 2001)
- ECM-341A: Knock Sensor (KS), Rear, Too Little Roar (B5244S; 2005-2007)
- ECM-341A: Knock Sensor (KS), Rear, Too Little Roar (B5244S6; 2005-2006)
- ECM-341A: Rear Knock Sensor (KS), Too Little Roar (B5244S; 2001-2002)
- ECM-341A: Rear Knock Sensor (KS), Too Much Roar (B5244S; 2001-2002)
- ECM-341B: Camshaft Position (CMP) Sensor, Exhaust, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-341C: Camshaft Position Sensor, Exhaust, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-341D: Camshaft Position Sensor, Exhaust, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Intermittent Fault (B5234T3; 2001-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Intermittent Fault (B5244T3; 2001-2003)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Intermittent Fault (B5254T2; 2003-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Intermittent Fault (B5254T4; 2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Permanent Fault (B5234T3; 2001-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Permanent Fault (B5244T3; 2001-2003)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Permanent Fault (B5254T2; 2003-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too High, Permanent Fault (B5254T4; 2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Intermittent Fault (B5234T3; 2001-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Intermittent Fault (B5244T3; 2001-2003)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Intermittent Fault (B5254T2; 2003-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Intermittent Fault (B5254T4; 2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Permanent Fault (B5234T3; 2001-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Permanent Fault (B5244T3; 2001-2003)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Permanent Fault (B5254T2; 2003-2004)
- ECM-3420: Knock Sensor (KS) Rear, Signal Too Low, Permanent Fault (B5254T4; 2004)
- ECM-34E0: Knock Sensor (KS), Offset. Signal Too High/Signal Too Low, Intermittent Fault (B5234T3; 2001-2004)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Intermittent Fault (B5244T3; 2001-2003)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Intermittent Fault (B5254T2; 2003-2004)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Intermittent Fault (B5254T4; 2004)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Permanent Fault (B5234T3; 2001-2004)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Permanent Fault (B5244T3; 2001-2003)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Permanent Fault (B5254T2; 2003-2004)
- ECM-34E0: Knock Sensor (KS), Offset, Signal Too High/Signal Too Low, Permanent Fault (B5254T4; 2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Intermittent Fault (B5234T3; 2001-2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Intermittent Fault (B5244T3; 2001-2003)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Intermittent Fault (B5254T2; 2003-2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Intermittent Fault (B5254T4; 2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Permanent Fault (B5234T3; 2001-2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Permanent Fault (B5244T3; 2001-2003)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Permanent Fault (B5254T2; 2003-2004)
- ECM-34F0: Knock Sensor (KS), Test Pulse, Signal Too High/Signal Too Low, Permanent Fault (B5254T4; 2004)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 1 (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 1 (B5244S6; 2005-2006)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 2 (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 2 (B5244S6; 2005-2006)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 3 (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 3 (B5244S6; 2005-2006)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 4 (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 4 (B5244S6; 2005-2006)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 5 (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire CYL 5 (B5244S6; 2005-2006)
- ECM-3502: Misfire, Emission Effect, Misfire, At Least One Cylinder (B5244S; 2005-2007)
- ECM-3502: Misfire, Emission Effect, Misfire, At Least One Cylinder (B5244S6; 2005-2006)
- ECM-3502: Misfire, Cylinder 1 (B5244S; 2001-2004)
- ECM-3502: Misfire, Cylinder 1 (B5244S6; 2003-2004)
- ECM-3502: Misfire, Cylinder 2 (B5244S; 2001-2004)
- ECM-3502: Misfire, Cylinder 2 (B5244S6; 2003-2004)
- ECM-3502: Misfire, Cylinder 3 (B5244S; 2001-2004)
- ECM-3502: Misfire, Cylinder 3 (B5244S6; 2003-2004)
- ECM-3502: Misfire, Cylinder 4 (B5244S; 2001-2004)
- ECM-3502: Misfire, Cylinder 4 (B5244S6; 2003-2004)
- ECM-3502: Misfire, Cylinder 5 (B5244S; 2001-2004)
- ECM-3502: Misfire, Cylinder 5 (B5244S6; 2003-2004)
- ECM-3502: Misfire, Multiple Cylinders (B5244S; 2001-2004)
- ECM-3502: Misfire, Multiple Cylinders (B5244S6; 2003-2004)
- ECM-3503: Misfire, At Least One Cylinder (B5234T3; B5244T3; 2001)
- ECM-3503: Misfire, At Least One Cylinder, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3503: Misfire, At Least One Cylinder, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3503: Misfire, At Least One Cylinder, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3503: Misfire, At Least One Cylinder, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 1 (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 1 (B5244S6; 2005-2006)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 2 (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 2 (B5244S6; 2005-2006)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 3 (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 3 (B5244S6; 2005-2006)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 4 (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 4 (B5244S6; 2005-2006)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 5 (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire CYL 5 (B5244S6; 2005-2006)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire, At Least One Cylinder (B5244S; 2005-2007)
- ECM-3503: Misfire, Catalytic Converter Damage, Misfire, At Least One Cylinder (B5244S6; 2005-2006)
- ECM-3503: Misfire, Cylinder 1 (B5244S; 2001-2004)
- ECM-3503: Misfire, Cylinder 1 (B5244S6; 2003-2004)
- ECM-3503: Misfire, Cylinder 2 (B5244S; 2001-2004)
- ECM-3503: Misfire, Cylinder 2 (B5244S6; 2003-2004)
- ECM-3503: Misfire, Cylinder 3 (B5244S; 2001-2004)
- ECM-3503: Misfire, Cylinder 3 (B5244S6; 2003-2004)
- ECM-3503: Misfire, Cylinder 4 (B5244S; 2001-2004)
- ECM-3503: Misfire, Cylinder 4 (B5244S6; 2003-2004)
- ECM-3503: Misfire, Cylinder 5 (B5244S; 2001-2004)
- ECM-3503: Misfire, Cylinder 5 (B5244S6; 2003-2004)
- ECM-3503: Misfire, Multiple Cylinders (B5244S; 2001-2004)
- ECM-3503: Misfire, Multiple Cylinders (B5244S6; 2003-2004)
- ECM-350B: Ignition Coil Cylinder 1, Signal, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-350C: Ignition Coil Cylinder 1, Signal, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-350D: Ignition Coil Cylinder 1, Signal, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3513: Misfire Cylinder 1, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3513: Misfire Cylinder 1, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3513: Misfire Cylinder 1, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3513: Misfire Cylinder 1, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3513: Misfire, Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-351B: Ignition Coil Cylinder 2, Signal, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-351C: Ignition Coil Cylinder 2, Signal, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-351D: Ignition Coil Cylinder 2, Signal, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3523: Misfire Cylinder 2, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3523: Misfire Cylinder 2, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3523: Misfire Cylinder 2, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3523: Misfire Cylinder 2, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3523: Misfire, Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-352B: Ignition Coil Cylinder 3, Signal, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-352C: Ignition Coil Cylinder 3, Signal, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-352D: Ignition Coil Cylinder 3, Signal, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3533: Misfire Cylinder 3, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3533: Misfire Cylinder 3, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3533: Misfire Cylinder 3, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3533: Misfire Cylinder 3, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3533: Misfire, Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-353B: Ignition Coil Cylinder 4, Signal, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-353C: Ignition Coil Cylinder 4, Signal, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-353D: Ignition Coil Cylinder 4, Signal, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3543: Misfire Cylinder 4, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3543: Misfire Cylinder 4, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3543: Misfire Cylinder 4, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3543: Misfire Cylinder 4, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3543: Misfire, Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-354B: Ignition Coil Cylinder 5, Signal, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-354C: Ignition Coil Cylinder 5, Signal, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-354D: Ignition Coil Cylinder 5, Signal, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-3553: Misfire Cylinder 5, Emissions Impact / Catalytic Converter Damage (B5234T3; 2002-2004)
- ECM-3553: Misfire Cylinder 5, Emissions Impact / Catalytic Converter Damage (B5244T3; 2002-2003)
- ECM-3553: Misfire Cylinder 5, Emissions Impact / Catalytic Converter Damage (B5254T2; 2003-2004)
- ECM-3553: Misfire Cylinder 5, Emissions Impact / Catalytic Converter Damage (B5254T4; 2004)
- ECM-3553: Misfire, Faulty Signal (B5234T3; B5244T3; 2001)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Intermittent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Intermittent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Intermittent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Intermittent Fault (B5254T4; 2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Permanent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Permanent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Permanent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Missing, Permanent Fault (B5254T4; 2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High (B5244S; 2001-2002)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High (B5244S; 2003-2007)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High (B5244S6; 2003-2006)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Intermittent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Intermittent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Intermittent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Intermittent Fault (B5254T4; 2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Permanent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Permanent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Permanent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too High, Permanent Fault (B5254T4; 2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low (B5244S; 2001-2002)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low (B5244S; 2003-2007)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low (B5244S6; 2003-2006)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Intermittent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Intermittent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Intermittent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Intermittent Fault (B5254T4; 2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Permanent Fault (B5234T3; 2001-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Permanent Fault (B5244T3; 2001-2003)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Permanent Fault (B5254T2; 2003-2004)
- ECM-4000: Canister Purge (Cp) Valve, Signal Too Low, Permanent Fault (B5254T4; 2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too High (B5234T3; 2002-2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too High (B5244T3; 2002-2003)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too High (B5254T2; 2003-2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too High (B5254T4; 2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too Low (B5234T3; 2002-2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too Low (B5244T3; 2002-2003)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too Low (B5254T2; 2003-2004)
- ECM-4007: Evaporative Emission (EVAP) System, Signal Too Low (B5254T4; 2004)
- ECM-4008: Canister Purge (Cp) Valve, Leakage (B5234T3; 2001-2004)
- Diagnostic trouble code (DTC) information
- Leak diagnostic
- Preparation
- Safety
- Checking wiring and terminals
- General information about testing the fuel tank system
- Leak diagnostic
- Checking the engine coolant temperature (ECT)
- Starting the test of the fuel tank system
- Checking the cause of a fault using quick test
- Checking for blockage between the fuel tank pressure sensor and the fuel tank
- Large leak
- Checking the vacuum downstream of the canister purge (CP) valve
- Checking the vacuum at the EVAP canister
- Checking the canister purge (CP) valve vacuum
- Replacing the canister purge (CP) valve
- Checking the EVAP canister
- Checking the hose
- Checking the hose between the fuel tank and the EVAP canister
- Test pressurization of the fuel tank system
- Checking the fuel tank pressure sensor
- Checking the hose to the EVAP canister shut-off valve
- Checking the fuel tank pressure sensor hose
- Replacing the fuel tank pressure sensor
- Replacing the EVAP canister shut-off valve
- Checking the fuel tank system
- Small leak
- Verification information
- Leakage
- Flow fault
- Leak diagnostic
- Preparation
- ECM-4008: Canister Purge (Cp) Valve, Leakage (B5244T3; 2001-2003)
- ECM-400A: Canister Purge (Cp) Valve, Faulty Signal (B5244S; 2003-2007)
- ECM-400A: Canister Purge (Cp) Valve, Faulty Signal (B5244S6; 2003-2006)
- ECM-400C: Fuel Tank System, Leakage (B5234T3 ; B5244T3; 2002)
- Diagnostic trouble code (DTC) information
- Leakage
- Preparation
- Checking other diagnostic trouble codes (DTCs)
- Checking the status
- Test phases
- Checking components
- Activating the quick test of the fuel tank system
- Checking the EVAP canister purge valve
- Replacing the EVAP canister purge valve
- Checking the fuel tank system
- Replacing the leak diagnostic unit
- Fault-tracing information:
- Intermittent fault
- Verification
- Information
- Preparation
- ECM-400C: Fuel Tank System, Leakage (B5234T3; B5254T2; 2003-2004)
- ECM-400C: Fuel Tank System, Leakage (B5244T3; 2003)
- ECM-400C: Fuel Tank System, Leakage (B5254T4; 2004)
- ECM-400C: Three-Way Catalytic Converter (TWC) Efficiency, Bank 1, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
- ECM-4010: EVAP Canister Shut-Off Valve, Faulty Signal (B5244S; 2001-2002)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Missing, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Missing, Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Too High, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Too High, Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Too Low, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: EVAP Canister Shut-Off Valve, Signal Too Low, Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Missing (B5234T3; 2002-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Missing (B5244T3; 2002-2003)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Missing (B5254T2; 2003-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Missing (B5254T4; 2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too High (B5234T3; 2002-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too High (B5244T3; 2002-2003)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too High (B5254T2; 2003-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too High (B5254T4; 2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too Low (B5234T3; 2002-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too Low (B5244T3; 2002-2003)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too Low (B5254T2; 2003-2004)
- ECM-4010: Leak Diagnostic Unit, Valve, Signal Too Low (B5254T4; 2004)
- ECM-4019: EVAP Canister Shut-Off Valve, Flow Fault (B5234T3; B5244T3; 2001)
- ECM-401C: Three-Way Catalytic Converter (TWC) Efficiency, Bank 2, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2006)
- ECM-4020: Fuel Tank Pressure Sensor, Faulty Signal, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4020: Fuel Tank Pressure Sensor, Faulty Signal, Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too High (B5244S; 2001-2002)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too High, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too High, Intermittent Fault (B5244S; 2001-2002)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too High, Permanent Fault (B5234T3; B5244T3; 2001)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too Low (B5244S; 2001-2002)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too Low, Intermittent Fault (B5234T3; B5244T3; 2001)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too Low, Intermittent Fault (B5244S; 2001-2002)
- ECM-4020: Fuel Tank Pressure Sensor, Signal Too Low, Permanent 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.
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