Central Electronic Module (CEM), Rear Electronic Module (Rem), Upper Electronics Module (UEM) - Diagnostic Trouble Codes - 6 Of 13

• CEM-4F92: Seat Belt Reminder. Signal Missing (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-4F92
  • Signal missing
    • Checking components and wiring
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-4F93: Seat Belt Reminder. Faulty Signal (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-4F93
  • Faulty signal
    • Checking components and wiring
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5A00: Sun Sensor. Signal Too High (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5A00
  • Signal too high
    • Checking components and wiring
      • Checking the component
      • Checking the wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5A01: Sun Sensor. Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5A01
  • Signal too low
    • Checking components and wiring
      • Checking the component
      • Checking the wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B01: LH Heating Element. Signal Faulty. Intermittent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Checks
      • Checking for contact resistance and oxidation
      • Replacing the heater pad
    • Information
      • Fault-tracing information
• CEM-5B01: LH Heating Element. Signal Faulty. Permanent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Checks
      • Checking for contact resistance and oxidation
      • Replacing the heater pad
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B02: RH Heating Element. Signal Faulty. Intermittent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Intermittent fault
    • Checks
      • Checking for contact resistance and oxidation
      • Replacing the heater pad
    • Information
      • Fault-tracing information
• CEM-5B02: RH Heating Element. Signal Faulty. Permanent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Faulty signal. Permanent fault
    • Checks
      • Checking for contact resistance and oxidation
      • Replacing the heater pad
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B05: Left Seat Heater. Signal Too Low. Intermittent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
    • Checking the cable
      • Checking the cable
    • Information
      • Fault-tracing information
• CEM-5B05: Left Seat Heater. Signal Too Low. Permanent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
    • Checks
      • Checking the component
      • Checking the cable
      • Replacing the heater pad
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B06: Right Seat Heater. Signal Too Low. Intermittent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
    • Intermittent fault
      • Intermittent fault
    • Information
      • Fault-tracing information
• CEM-5B06: Right Seat Heater. Signal Too Low. Permanent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
    • Checks
      • Checking the component
      • Checking the cable
      • Replacing the heater pad
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B07: Left Seat Heater. Signal Too High. Intermittent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too high. Intermittent fault
    • Intermittent fault
      • Intermittent fault
    • Information
      • Fault-tracing information
• CEM-5B07: Left Seat Heater. Signal Too High. Permanent Fault (2001-2004)
  • Diagnostic trouble code information
  • Signal too high. Permanent fault
    • Checks
      • Checking the signal wire
      • Replacing the heating module
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B08: Right Seat Heater. Signal Too High. Intermittent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Intermittent fault
    • Checking the cable
      • Checking the cable
    • Information
      • Fault-tracing information
• CEM-5B08: Right Seat Heater. Signal Too High. Permanent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal too high. Permanent fault
    • Checks
      • Checking the component
      • Checking the cable
      • Replacing the heater control module
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B09: Communication With The Seat Heater Module. Signal Missing. Intermittent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Replacing the heater control module
      • Replacing the heater control module
    • Information
      • Fault-tracing information
• CEM-5B09: Communication With The Seat Heater Module. Signal Missing. Permanent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checks
      • Checking the component
      • Checking the cable
      • Replacing the seat heater control module
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5B10: Communication With The Seat Heater Module. Signal Missing. Intermittent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Intermittent fault
    • Replacing the seat heater control module
      • Replacing the seat heater control module
    • Information
      • Fault-tracing information
• CEM-5B10: Communication With The Seat Heater Module. Signal Missing. Permanent Fault (2001-2004)
  • Diagnostic trouble code (DTC) information
  • Signal missing. Permanent fault
    • Checks
      • Checking the component
      • Checking the cable
      • Replacing the seat heater control module
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Intermittent Fault (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high. Intermittent fault
    • Checking the relay
      • Checking the relay
    • Information
      • Fault-tracing information
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Intermittent Fault (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high. Intermittent fault
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high. Intermittent fault
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high. Intermittent fault
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Permanent Fault (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high. Permanent fault
    • Checks
      • Checking the relay
      • Replacing the relay
    • Verification
      • Verification
    • Description of parameters
      • Notes
      • Failed start attempts, value
      • Overheating incidents, value
      • Successful start attempts, value
      • Coolant temperature, value
      • Battery voltage, value
      • Heater run time, value
      • Additional heater status, value
      • Actual combustion fan speed, value
      • Derived combustion fan speed, value
      • Degree of modulation of combustion fan, value
      • Fuel pump frequency, value
      • Degree of modulation of Glow plug, value
      • Flame monitor, value
      • Extended X-supply, status
      • Supply voltage to components, status
      • Glow plug, status
      • Water pump, status
      • Fuel level, status
    • Activating components/functions
      • Activation of components
      • Glow plug
      • Heater fan
      • Fuel pump
      • Water pump
      • Heater
      • Component supply voltage
    • Information
      • Fault-tracing information
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Permanent Fault (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high. Permanent fault
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high. Permanent fault
• CEM-5F11: Relay, Auxiliary Heater. Signal Too High. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high. Permanent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Intermittent Fault (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
    • Checking the relay
      • Checking the relay
    • Information
      • Fault-tracing information
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Intermittent Fault (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Intermittent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Intermittent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low. Intermittent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Permanent Fault (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
    • Checking the relay
      • Checking the relay
      • Replacing the relay
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Permanent Fault (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Permanent Fault (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
• CEM-5F13: Relay, Auxiliary Heater. Signal Too Low. Permanent Fault (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low. Permanent fault
• CEM-5F31: Coolant Temperature Sensor Open Circuit Or Short Circuit To Supply (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F31
  • Open circuit or short-circuit to voltage
    • Checks
      • Checking the function of the engine coolant temperature sensor
      • Checking the connectors
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F31: Coolant Temperature Sensor Open Circuit Or Short Circuit To Supply (B5204T5; 2004)
  • Diagnostic trouble code information
  • Open circuit or short-circuit to voltage
    • Checks
      • Checking the function of the engine coolant temperature sensor
      • Checking the connectors
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F31: Coolant Temperature Sensor Open Circuit Or Short Circuit To Supply (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Open circuit or short-circuit to voltage
• CEM-5F31: Coolant Temperature Sensor Open Circuit Or Short Circuit To Supply (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Open circuit or short-circuit to voltage
• CEM-5F31: Coolant Temperature Sensor Open Circuit Or Short Circuit To Supply (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Open circuit or short-circuit to voltage
• CEM-5F32: Coolant Temperature Sensor Short Circuit To Ground (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F32
  • Short-circuit to ground
    • Checks
      • Checking the function of the engine coolant temperature sensor
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F32: Coolant Temperature Sensor Short Circuit To Ground (B5204T5; 2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
    • Checks
      • Checking the function of the engine coolant temperature sensor
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F32: Coolant Temperature Sensor Short Circuit To Ground (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F32: Coolant Temperature Sensor Short Circuit To Ground (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F32: Coolant Temperature Sensor Short Circuit To Ground (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F36: Flame Sensor Short Circuit To Ground (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F36
  • Short-circuit to ground
    • Checks
      • Checking the function of the flame sensor
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F36: Flame Sensor Short Circuit To Ground (B5204T5; 2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
    • Checks
      • Checking the function of the flame sensor
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F36: Flame Sensor Short Circuit To Ground (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F36: Flame Sensor Short Circuit To Ground (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F36: Flame Sensor Short Circuit To Ground (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Short-circuit to ground
• CEM-5F37: Factory Set Diagnostic Trouble Code (DTC). Faulty Code (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F37
  • Faulty code
    • Fault-tracing information
• CEM-5F37: Production Diagnostic Trouble Code. Faulty Code (B5204T5; 2004)
  • Diagnostic trouble code information
  • Faulty code
    • Trouble-shooting information
• CEM-5F37: Production Diagnostic Trouble Code. Faulty Code (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Faulty code
• CEM-5F37: Production Diagnostic Trouble Code. Faulty Code (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Faulty code
• CEM-5F37: Production Diagnostic Trouble Code. Faulty Code (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Faulty code
• CEM-5F39: Flame Sensor Flame Interruption (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F39
  • Flame interruption
    • Checks
      • Checking the function of the flame sensor
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F39: Flame Sensor Flame Interruption (B5204T5; 2004)
  • Diagnostic trouble code information
  • Flame interruption
    • Checks
      • Checking the function of the heater
      • Intermittent fault
    • Information
      • Fault-tracing information
    • Too-many: unsuccessful attempts
      • Checking quantity of fuel and voltage
      • Checking the fuel lines
      • Checking components
      • Checking the nozzle pipe
      • Checking the intake air flow
      • Checking the flame sensor
      • Checking components and wiring
    • Verification
      • Verification
      • Verification, continued
• CEM-5F39: Flame Sensor Flame Interruption (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Flame interruption
• CEM-5F39: Flame Sensor Flame Interruption (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Flame interruption
• CEM-5F39: Flame Sensor Flame Interruption (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Flame interruption
• CEM-5F3A: Water Pump. Signal Too High (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3A
  • Signal too high
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3A: Water Pump. Signal Too High (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3A: Water Pump. Signal Too High (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3A: Water Pump. Signal Too High (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3A: Water Pump. Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3B: Water Pump. Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3B
  • Signal too low
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3B: Water Pump. Signal Too Low (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low
    • Checks
      • Checking the function of the water pump
      • Checking the connectors
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3B: Water Pump. Signal Too Low (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3B: Water Pump. Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3B: Water Pump. Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3C: Combustion Fan. Signal Too High (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3C
  • Signal too high
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3C: Heater Fan. Signal Too High (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high
    • Checks
      • Checking the function of the combustion fan
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3C: Heater Fan. Signal Too High (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3C: Heater Fan. Signal Too High (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3C: Heater Fan. Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3D: Combustion Fan. Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3D
  • Signal too low
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3D: Heater Fan. Signal Too Low (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low
    • Checks
      • Checking the function of the combustion fan
      • Checking the connectors
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3D: Heater Fan. Signal Too Low (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3D: Heater Fan. Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3D: Heater Fan. Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F3E: Combustion Fan. Faulty Signal (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3E
  • Faulty signal
    • Checks
      • Checking the function of the water pump
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3E: Heater Fan. Signal Faulty (B5204T5; 2004)
  • Diagnostic trouble code information
  • Faulty signal
    • Checks
      • Checking the function of the combustion fan
      • Checking the connectors
      • Replacing the combustion fan
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3E: Heater Fan. Signal Faulty (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F3E: Heater Fan. Signal Faulty (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F3E: Heater Fan. Signal Faulty (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F3F: Fuel Pump (FP). Signal Too High (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F3F
  • Signal too high
    • Checks
      • Checking the function of the fuel pump (FP)
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3F: Fuel Pump. Signal Too High (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high
    • Checks
      • Checking the function of the fuel pump (FP)
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F3F: Fuel Pump. Signal Too High (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3F: Fuel Pump. Signal Too High (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F3F: Fuel Pump. Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F40: Fuel Pump (FP). Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F40
  • Signal too low
    • Checks
      • Checking the function of the fuel pump (FP)
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F40: Fuel Pump. Signal Too Low (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low
    • Checks
      • Checking the function of the fuel pump (FP)
      • Checking the connectors
      • Checking the overheat protection thermostat
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F40: Fuel Pump. Signal Too Low (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F40: Fuel Pump. Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F40: Fuel Pump. Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F41: Overheat Protection Thermostat. Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F41
  • Signal too low
    • Checks
      • Checking the water flow
      • Checking the engine coolant temperature sensor
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F41: Overheat Thermostat. Signal Too Low (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low
    • Checks
      • Checking the water flow
      • Checking the engine coolant temperature sensor
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F41: Overheat Thermostat. Signal Too Low (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F41: Overheat Thermostat. Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F42: Power Supply. Faulty (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F42
  • Faulty
    • Checks
      • Checking the power supply
      • Checking the supply circuit
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F42: Power Supply. Faulty (B5204T5; 2004)
  • Diagnostic trouble code information
  • Faulty
    • Checking ground points
      • Notes
      • Connecting the test box
      • Checking ground point
      • Checking for open circuits, contact resistance and oxidation
    • Checks
      • Checking the power supply
      • Checking the supply circuit
      • Intermittent fault
    • Information
      • Connecting the test box
      • Fault-tracing information
    • Verification
      • Verification
• CEM-5F42: Power Supply. Faulty (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Faulty
• CEM-5F42: Power Supply. Faulty (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Faulty
• CEM-5F42: Power Supply. Faulty (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Faulty
• CEM-5F43: Power Supply. Missing (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F43
  • Missing
    • Checks
      • Checking the power supply
      • Checking the connector
      • Checking the supply circuit
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F43: Power Supply. Missing (B5204T5; 2004)
  • Diagnostic trouble code information
  • Missing
    • Checks
      • Checking the power supply
      • Checking the connector
      • Checking the supply circuit
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F43: Power Supply. Missing (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Missing
• CEM-5F43: Power Supply. Missing (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Missing
• CEM-5F43: Power Supply. Missing (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Missing
• CEM-5F46: Glow Plug. Signal Faulty (B5204T5; 2004)
  • Diagnostic trouble code information
  • Faulty signal
    • Checks
      • Checking the function of the glow plug
      • Checking the connectors
      • Checking components and wiring
      • Intermittent fault
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F46: Glow Plug. Signal Faulty (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F46: Glow Plug. Signal Faulty (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F46: Glow Plug. Signal Faulty (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Faulty signal
• CEM-5F46: Glow Plugs. Faulty Signal (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F46
  • Faulty signal
    • Checks
      • Checking the function of the glow plug
      • Checking components and wiring
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F47: Control Module Power Supply. Signal Too High (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F47
  • Signal too high
    • Checks
      • Checking charge voltage
      • Checking the charging system
      • Intermittent fault
    • Information
      • Fault-tracing information
• CEM-5F47: Control Unit Power Supply. Signal Too High (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too high
    • Checks
      • Checking charge voltage
      • Checking the charging system
      • Intermittent fault
    • Information
      • Fault-tracing information
• CEM-5F47: Control Unit Power Supply. Signal Too High (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F47: Control Unit Power Supply. Signal Too High (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F47: Control Unit Power Supply. Signal Too High (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too high
• CEM-5F4C: Power Supply. Signal Too Low (2005-2009)
  • Diagnostic trouble code (DTC) information CEM-5F4C
  • Signal too low
    • Checking the supply
      • Checking the supply
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F4C: UNDERVOLTAGE. Signal Too Low (B5204T5; 2004)
  • Diagnostic trouble code information
  • Signal too low
    • Checking the power supply
      • Checking the power supply
    • Verification
      • Verification
    • Information
      • Fault-tracing information
• CEM-5F4C: UNDERVOLTAGE. Signal Too Low (B5234T3; B5244S; 2001-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F4C: UNDERVOLTAGE. Signal Too Low (B5244T3; 2001-2003)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F4C: UNDERVOLTAGE. Signal Too Low (B5254T2; 2003-2004)
  • Diagnostic trouble code information
  • Signal too low
• CEM-5F4D: Diagnostic System. Too Long (B5204T5; 2004)
  • Diagnostic trouble code information
  • Too long time
    • Checking communication
    • Checking communication, continued
    • Verification
      • Verification
    • Description of parameters
      • Notes
      • Failed start attempts, value
      • Overheating incidents, value
      • Successful start attempts, value
      • Coolant temperature, value
      • Battery voltage, value
      • Heater run time, value
      • Additional heater status, value
      • Actual combustion fan speed, value
      • Derived combustion fan speed, value
      • Degree of modulation of combustion fan, value
      • Fuel pump frequency, value
      • Degree of modulation of Glow plug, value
      • Flame monitor, value
      • Extended X-supply, status
      • Supply voltage to components, status
      • Glow plug, status
      • Water pump, status
      • Fuel level, status
    • Activating components/functions
      • Activation of components
      • Glow plug
      • Heater fan
      • Fuel pump
      • Water pump
      • Heater
      • Component supply voltage
    • Information
      • Fault-tracing information