Engine Control Module (ECM) Diagnostic Trouble Codes (DTC) - 7 Of 14

• ECM-4024: Leak Diagnostic Unit, Pump, Signal Missing (B5234T3; 2002-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing
    • Preparation
      • Checking components and wiring
    • Information
      • Fault-tracing information
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Missing (B5244T3; 2002-2003)
  • Diagnostic trouble code (DTC) information
  • Signal missing
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too High (B5234T3; 2002-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
    • Preparation
      • Checking components and wiring
    • Information
      • Fault-tracing information
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too High (B5244T3; 2002-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too High (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too Low (B5234T3; 2002-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low
    • Preparation
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too Low (B5244T3; 2002-2003)
  • Diagnostic trouble code (DTC) information
  • Signal too low
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low
• ECM-4024: Leak Diagnostic Unit, Pump, Signal Too Low (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Signal too low
• ECM-402A: Fuel Tank Pressure Sensor, Faulty Signal (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal
    • Preparation
      • Checking component
      • Checking for leakage
    • Verification
      • Verification
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-4038: Fuel Tank Filler Cap Missing, Major Leak (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
    • Information
• ECM-4038: Fuel Tank Filler Cap, Faulty Signal (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4038
  • Fault-tracing information
• ECM-4038: Fuel Tank Filler Cap, Faulty Signal (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4038
  • Fault-tracing information
• ECM-4047: Canister Purge (Cp) Valve / EVAP Canister Shut-Off Valve, Canister Purge (Cp) Valve Leakage (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
    • Preparation
      • Safety
      • Checking wiring and terminals
      • General information about testing the fuel tank system
      • Starting the quick test
      • Reading off the test results / the fuel tank values
        • Key for interpreting the results of the read off
        • Information
      • Checking the cause of the problem with quick test
      • Checking blockage between tank pressure sensor and tank
    • Rough 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
      • Test pressurization of the fuel tank system
      • Checking the hose to the EVAP canister shut-off valve
      • Replacing the EVAP canister shut-off valve
      • Checking the fuel tank system
    • Verification information
      • Verification information
    • Leakage
      • Checking the vacuum downstream of the canister purge (CP) valve
      • Checking the canister purge (CP) valve
    • Flow fault
      • Checking the fuel tank pressure sensor
      • Checking the canister purge (CP) valve
      • Checking hoses
    • Reading off the test results / the fuel tank values
• ECM-4047: Canister Purge (Cp) Valve / EVAP Canister Shut-Off Valve, EVAP Canister Shut-Off Valve Clogged (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
• ECM-4047: Canister Purge (Cp) Valve / EVAP Canister Shut-Off Valve, EVAP Canister Shut-Off Valve Leakage (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
• ECM-404C: Fuel Tank System, Leakage, Major Leak (B5234T3; B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Leakage
• ECM-404C: Fuel Tank System, Leakage, Major Leak (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information
  • Leakage
• ECM-404C: Fuel Tank System, Leakage, Major Leak (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Leakage
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
    • Information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Faulty Signal (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Missing (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Missing (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too High (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too High (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too High (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too Low (B5234T3; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4050: Fuel Level Sensor, Signal Too Low (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-405A: Fuel Level Sensor, Faulty Signal (B5244S; 2001-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-405A: Fuel Level Sensor, Faulty Signal (B5244S; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-405A
  • Fault-tracing information
• ECM-405A: Fuel Level Sensor, Faulty Signal (B5244S6; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-405A: Fuel Level Sensor, Faulty Signal (B5244S6; 2005-2006)
  • Diagnostic trouble code (DTC) information ECM-405A
  • Fault-tracing information
• ECM-405C, Fuel Level Sensor (B5234T3; 2002-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
    • Information
• ECM-405C, Fuel Level Sensor (B5244T3; 2002-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-405C, Fuel Level Sensor (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-405C, Fuel Level Sensor (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-406C: Fuel Tank System, Leakage, Fuel Tank Filler Cap Missing (B5234T3; B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-406C
  • Fuel tank filler cap missing
    • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
• ECM-406C: Fuel Tank System, Leakage, Fuel Tank Filler Cap Missing (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information ECM-406C
  • Fuel tank filler cap missing
• ECM-406C: Fuel Tank System, Leakage, Fuel Tank Filler Cap Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information ECM-406C
  • Fuel tank filler cap missing
• ECM-4201: Three-Way Catalytic Converter (TWC) Efficiency, Power Deterioration (B5244S; 2001-2007)
  • Diagnostic trouble code (DTC) information ECM-4201
  • Power deterioration
    • Preparation
      • Checking for air leakage and checking components
    • Verifying
      • Verifying
    • Information
      • Fault-tracing information
• ECM-4201: Three-Way Catalytic Converter (TWC) Efficiency, Power Deterioration (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4201
  • Power deterioration
• ECM-420C: Evaporative Emission System (EVAP) Valve, Open (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-420C
  • Open
    • Preparation
      • Checking the component
    • Information
      • Fault-tracing information
• ECM-420D: Evaporative Emission System (EVAP), Closed (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Closed
    • Preparation
      • Checking the component
    • Information
      • Fault-tracing information
  • Diagnostic trouble code (DTC) information ECM-420D
• ECM-421B: Canister Purge (Cp) Valve, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-421B
  • Signal missing
    • Preparation
      • Checking the connector
      • Checking the components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-421C: Evaporative Emission System (EVAP) Valve, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-421C
  • Signal too high
    • Preparation
      • Checking the components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-421D: Evaporative Emission System (EVAP) Valve, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-421D
  • Signal too low
    • Preparation
      • Checking the components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-4308: Fuel Tank System, Leakage, Major Leak (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leakage
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
    • Tank system, test result = "Major leakage found"
• ECM-4308: Fuel Tank System, Leakage, Major Leak (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leakage
• ECM-4308: Fuel Tank System, Leakage, Minor Leak (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leakage
• ECM-4308: Fuel Tank System, Leakage, Minor Leak (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leakage
• ECM-4308: Leak Diagnostic, Large Leak (B5234T3; B5244T3; 2001)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
• ECM-4308: Leak Diagnostic, Rough Leak (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leak diagnostic
• ECM-4308: Leak Diagnostic, Small Leak (B5244S; 2001-2002)
  • Diagnostic trouble code (DTC) information ECM-4308
  • Leak diagnostic
• ECM-430C: Fuel Tank System, Leakage, Fuel Tank Filler Cap Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-430C
  • Fuel tank filler cap missing
    • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
• ECM-430C: Leak Diagnostic, Smallest Leak (B5234T3; B5244T3; 2001)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
• ECM-430D: Leak Diagnostic, Small Leak (B5234T3; B5244T3; 2001)
  • Diagnostic trouble code (DTC) information
  • Leak diagnostic
• ECM-4310: Leak Diagnostic Unit, Pump, Signal Too High (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4310
  • Signal too high
    • Preparation
      • Checking components and connections
    • Information
      • Fault-tracing information
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
• ECM-4310: Leak Diagnostic Unit, Pump, Signal Too High (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4310
  • Signal too high
• ECM-4310: Leak Diagnostic Unit, Pump, Signal Too Low (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4310
  • Signal too low
    • Preparation
      • Checking components and connections
    • Information
      • Fault-tracing information
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
• ECM-4310: Leak Diagnostic Unit, Pump, Signal Too Low (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4310
  • Signal too low
• ECM-431A: Leak Diagnostic Unit, Pump, Faulty Signal (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-431A
  • Fault-tracing
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Major leakage found" or "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
• ECM-431A: Leak Diagnostic Unit, Pump, Faulty Signal (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-431A
  • Fault-tracing
• ECM-431B: Leak Diagnostic Unit, Preheating, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-431B
  • Signal missing
    • Preparation
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-431C: Leak Diagnostic Unit, Preheating, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-431C
  • Signal too high
    • Preparation
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-431D: Leak Diagnostic Unit, Preheating, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-431D
  • Signal too low
    • Preparation
      • Checking the wiring
    • Information
      • Fault-tracing information
• ECM-431D: Leak Diagnostic Unit, Faulty Signal (B5234T3; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Major leakage found" or "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
• ECM-431D: Leak Diagnostic Unit, Faulty Signal (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Faulty signal
    • Preparation
      • Fault-tracing information
      • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
      • Checking the status
      • Test phases
      • Checking components and wiring
      • Fault-tracing information:
      • Intermittent fault
    • Leakage
      • 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
      • Verification
      • Test phases
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-431D: Leak Diagnostic Unit, Faulty Signal (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Faulty Signal (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Major leakage found" or "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
• ECM-431D: Leak Diagnostic Unit, Faulty Signal (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Major leakage found" or "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
• ECM-431D: Leak Diagnostic Unit, Signal Missing (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal missing
    • Preparation
      • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
      • Checking the status
      • Test phases
      • Checking components and wiring
      • Fault-tracing information:
      • Intermittent fault
    • Leakage
      • 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
      • Verification
      • Test phases
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-431D: Leak Diagnostic Unit, Signal Missing (B5234T3; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Missing (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too High (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too high
    • Preparation
      • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
      • Checking the status
      • Test phases
      • Checking components and wiring
      • Fault-tracing information:
      • Intermittent fault
    • Leakage
      • 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
      • Verification
      • Test phases
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-431D: Leak Diagnostic Unit, Signal Too High (B5234T3; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too High (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too High (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too Low (B5234T3; B5244T3; 2002)
  • Diagnostic trouble code (DTC) information
  • Signal too low
    • Preparation
      • Checking other diagnostic trouble codes (DTCs), engine control module (ECM)
      • Checking the status
      • Test phases
      • Checking components and wiring
      • Fault-tracing information:
      • Intermittent fault
    • Leakage
      • 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
      • Verification
      • Test phases
    • Information, fault-tracing has failed
      • Fault-tracing information, fault-tracing has failed
    • Information, fault does not recur
      • Fault-tracing information, fault does not recur
• ECM-431D: Leak Diagnostic Unit, Signal Too Low (B5234T3; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too Low (B5244T3; 2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-431D: Leak Diagnostic Unit, Signal Too Low (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing
• ECM-4320: Leak Diagnostic Unit, Valve, Signal Too High (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4320
  • Signal too high
    • Preparation
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-4320: Leak Diagnostic Unit, Valve, Signal Too High (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4320
  • Signal too high
• ECM-4320: Leak Diagnostic Unit, Valve, Signal Too Low (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-4320
  • Signal too low
    • Preparation
      • Checking the status
      • Checking the wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-4320: Leak Diagnostic Unit, Valve, Signal Too Low (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-4320
  • Signal too low
• ECM-432A: Leak Diagnostic Unit, Valve, Faulty Signal (B5244S; 2003-2007)
  • Diagnostic trouble code (DTC) information ECM-432A
  • Fault-tracing
• ECM-432A: Leak Diagnostic Unit, Valve, Faulty Signal (B5244S6; 2003-2006)
  • Diagnostic trouble code (DTC) information ECM-432A
  • Fault-tracing
• ECM-432B: Leak Diagnostic Unit, Valve, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-432B
  • Signal missing
• ECM-432C: Leak Diagnostic Unit, Preheating, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-432C
  • Signal too high
• ECM-432D: Leak Diagnostic Unit, Preheating, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-432D
  • Signal too low
    • Preparation
      • Checking the status
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• ECM-4338: Fuel Tank Filler Cap Missing (B5234T3; B5244T3; 2001)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4338: Fuel Tank Filler Cap Missing (B5234T3; 2002-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4338: Fuel Tank Filler Cap Missing (B5244T3; 2002-2003)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4338: Fuel Tank Filler Cap Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-4338: Fuel Tank Filler Cap Missing (B5254T4; 2004)
  • Diagnostic trouble code (DTC) information
  • Fault-tracing information
• ECM-433B: Leak Diagnostic Unit, Pump, Signal Missing (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-433B
  • Signal missing
• ECM-433C: Leak Diagnostic Unit, Pump, Signal Too High (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-433C
  • Signal too high
• ECM-433D: Leak Diagnostic Unit, Pump, Signal Too Low (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-433D
  • Signal too low
• ECM-4340: Fuel Tank Filler Cover, Lock, Signal Missing (B5244S; B5244S6; 2003-2004)
  • Diagnostic trouble code (DTC) information ECM-4340
  • Fault-tracing information
    • Information
      • Information
    • General information about fault-tracing in the CAN network
• ECM-434C: Fuel Tank System, Leakage, Minor Leak (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-434C
  • Leakage
    • Checking software
    • Perform quick-test tank system
    • DMTL, test result = "Problem found"
    • Tank system, test result = "No leakage found"
    • Tank system, test result = "Minor leakage found"
    • DMTL, test result and Tank system, test result = "Unknown"
    • Tank system, test result = "Major leakage found"
• ECM-4360: Leak Diagnostic Unit, Faulty Signal (B5244T5; B5254T2; B5254T4; 2005-2007)
  • Diagnostic trouble code (DTC) information ECM-4360
  • Fault-tracing
    • Preparation
      • Checking software
      • Perform quick-test tank system
      • DMTL, test result = "Problem found"
      • Tank system, test result = "No leakage found"
      • Tank system, test result = "Major leakage found" or "Minor leakage found"
      • DMTL, test result and Tank system, test result = "Unknown"