Mercedes-Benz Diagnostic Trouble Codes (DTC)

P0744 Torque Converter Clutch Circuit Intermittent Circuit Malfunction
P0745 Pressure Control Solenoid Malfunction Circuit Malfunction
P0746 Pressure Control Solenoid Performance or Stuck Off Circuit Malfunction
P0747 Pressure Control Solenoid Stuck On Circuit Malfunction
P0748 Pressure Control Solenoid Electrical Circuit Malfunction
P0749 Pressure Control Solenoid Intermittent Circuit Malfunction
P0750 Shift Solenoid A Malfunction Circuit Malfunction
P0751 Shift Solenoid A Performance or Stuck Off Circuit Malfunction
P0752 Shift Solenoid A Stuck On Circuit Malfunction
P0753 Shift Solenoid A Electrical Circuit Malfunction
P0754 Shift Solenoid A Intermittent Circuit Malfunction
P0755 Shift Solenoid B Malfunction Circuit Malfunction
P0756 Shift Solenoid B Performance or Stuck Off Circuit Malfunction
P0757 Shift Solenoid B Stuck On Circuit Malfunction
P0758 Shift Solenoid B Electrical Circuit Malfunction
P0759 Shift Solenoid B Intermittent Circuit Malfunction
P0760 Shift Solenoid C Malfunction Circuit Malfunction
P0761 Shift Solenoid C Performance or Stuck Off Circuit Malfunction
P0762 Shift Solenoid C Stuck On Circuit Malfunction
P0763 Shift Solenoid C Electrical Circuit Malfunction
P0764 Shift Solenoid C Intermittent Circuit Malfunction
P0765 Shift Solenoid D Malfunction Circuit Malfunction
P0766 Shift Solenoid D Performance or Stuck Off Circuit Malfunction
P0767 Shift Solenoid D Stuck On Circuit Malfunction
P0768 Shift Solenoid D Electrical Circuit Malfunction
P0769 Shift Solenoid D Intermittent Circuit Malfunction
P0770 Shift Solenoid E Malfunction Circuit Malfunction
P0771 Shift Solenoid E Performance or Stuck Off Circuit Malfunction
P0772 Shift Solenoid E Stuck On Circuit Malfunction
P0773 Shift Solenoid E Electrical Circuit Malfunction
P0774 Shift Solenoid E Intermittent Circuit Malfunction
P0780 Shift Malfunction Circuit Malfunction
P0781 1-2 Shift Malfunction Circuit Malfunction
P0782 2-3 Shift Malfunction Circuit Malfunction
P0783 3-4 Shift Malfunction Circuit Malfunction
P0784 4-5 Shift Malfunction Circuit Malfunction
P0785 Shift/Timing Solenoid Malfunction Circuit Malfunction
P0786 Shift/Timing Solenoid Range/Performance Circuit Malfunction
P0787 Shift/Timing Solenoid Low Circuit Malfunction
P0788 Shift/Timing Solenoid High Circuit Malfunction
P0789 Shift/Timing Solenoid Intermittent Circuit Malfunction
P0790 Normal/Performance Switch Circuit Malfunction Circuit Malfunction
P0801 Reverse Inhibit Control Circuit Malfunction Circuit Malfunction
P0803 1-4 Upshift (Skip Shift) Solenoid Control Circuit Malfunction Circuit Malfunction
P0804 1-4 Upshift (Skip Shift) Lamp Control Circuit Malfunction Circuit Malfunction
P0805 Clutch Position Sensor Circuit Malfunction Circuit Malfunction
P0806 Clutch Position Sensor Circuit Range/Performance Circuit Malfunction
P0807 Clutch Position Sensor Circuit Low Circuit Malfunction
P0808 Clutch Position Sensor Circuit High Circuit Malfunction
P0809 Clutch Position Sensor Circuit Intermittent Ckt Circuit Malfunction
P0810 Clutch Position Control Malfunction Circuit Malfunction
P0811 Clutch Slippage Excessive Circuit Malfunction
P0812 Reverse Input Circuit Malfunction Circuit Malfunction
P0813 Reverse Output Circuit Malfunction Circuit Malfunction
P0814 Trans Range Display Circuit Malfunction Circuit Malfunction
P0815 Upshift Switch Circuit Malfunction Circuit Malfunction
P0816 Downshift Switch Circuit Malfunction Circuit Malfunction
P0817 Starter Disable Circuit Circuit Malfunction
P0818 Driveline Disconn. Switch Input Circuit Malfunction
P0820 Gear Lever X-Y Sensor Circuit Circuit Malfunction
P0821 Gear Lever X Sensor Circuit Circuit Malfunction
P0822 Gear Lever Y Sensor Circuit Circuit Malfunction
P0823 Gear Lever X Sensor Circuit Intermittent Ckt Circuit Malfunction
P0824 Gear Lever Y Sensor Circuit Intermittent Ckt Circuit Malfunction
P0830 Clutch Position Switch A Circuit Malfunction Circuit Malfunction
P0831 Clutch Position Switch A Circuit Low Circuit Malfunction
P0832 Clutch Position Switch A Circuit High Circuit Malfunction
P0833 Clutch Position Switch B Circuit Malfunction Circuit Malfunction
P0834 Clutch Position Switch B Circuit Low Circuit Malfunction
P0835 Clutch Position Switch B Circuit High Circuit Malfunction
P0836 4 Wheel Drive Switch Circuit Malfunction Circuit Malfunction
P0837 4 Wheel Drive Switch CKT Range/Perf Circuit Malfunction
P0838 4 Wheel Drive Switch Circuit Low Circuit Malfunction
P0839 4 Wheel Drive Switch Circuit High Circuit Malfunction
P0840 Trans Fluid Press Sensor/Switch A Circuit Malfunction Circuit Malfunction
P0841 Trans Fluid Press Sensor/Switch A CKT Range/Perf Circuit Malfunction
P0842 Trans Fluid Press Sensor/Switch A Circuit Low Circuit Malfunction
P0843 Trans Fluid Press Sensor/Switch A Circuit High Circuit Malfunction
P0844 Trans Fluid Press Sensor/Switch A CKT Intermittent Circuit Malfunction
P0845 Trans Fluid Press Sensor/Switch B Circuit Malfunction Circuit Malfunction
P0846 Trans Fluid Press Sensor/Switch B CKT Range/Perf Circuit Malfunction
P0847 Trans Fluid Press Sensor/Switch B Circuit Low Circuit Malfunction
P0848 Trans Fluid Press Sensor/Switch B Circuit High Circuit Malfunction
P0849 Trans Fluid Press Sensor/Switch B CKT Intermittent Circuit Malfunction
P1000 Electronic Gear Selector Module: Defective N15/5 Circuit Malfunction
P1228 yet unknown code on 1997 C 220 CDI Circuit Malfunction
P1386 knock control Circuit Malfunction
P1570 Intermittant No-Start Immobiliser Module Circuit Malfunction
P1581 ? Circuit Malfunction
P1747 Electronic Gear Selector Module: Defective Interaction of CAN with control unit A1(instrument cluster) Circuit Malfunction
P1750 Electronic Gear Selector Module: Very low control unit supply voltage Circuit Malfunction
P1832 Electronic Gear Selector Module: SHORT in circuit N15/5 output stage Circuit Malfunction
P1910 Electronic Gear Selector Module: Control Unit over voltage Circuit Malfunction
P1912 Electronic Gear Selector Module: Weak touch push button voltage Circuit Malfunction
P2000 NOx Trap Efficiency Below Threshold (Bank 1) Circuit Malfunction
P2001 NOx Trap Efficiency Below Threshold (Bank 2) Circuit Malfunction
P2003 Particulate Trap Efficiency Below Threshold (Bank 1) Circuit Malfunction
P2004 Particulate Trap Efficiency Below Threshold (Bank 2) Circuit Malfunction
P2031 Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 2) Circuit Malfunction
P2032 Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2) Circuit Malfunction
P2033 Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2) Circuit Malfunction
P2080 Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 1) Circuit Malfunction
P2081 Exhaust Gas Temperature Sensor Circuit intermittant (Bank 1 Sensor 1) Circuit Malfunction
P2100 Throttle Actuator Control Motor Circuit/Open Circuit Malfunction
P2101 Throttle Actuator Control Motor Circuit Range/Performance Circuit Malfunction
P2208 transmission: The speed of Y3/6n2 to Y3/6n3 is excessive Circuit Malfunction
U0001 High Speed CAN Communication Bus New Systems
U0002 High Speed CAN Communication Bus Performance New Systems
U0003 High Speed CAN Communication Bus (+) open New Systems
U0004 High Speed CAN Communication Bus (+) low New Systems
U0005 High Speed CAN Communication Bus (+) high New Systems
U0006 High Speed CAN Communication Bus (-) open New Systems
U0007 High Speed CAN Communication Bus (-) low New Systems
U0008 High Speed CAN Communication Bus (-) high New Systems
U0009 High Speed CAN Communication Bus (-) shorted to Bus (+) New Systems
U0010 Medium Speed CAN Communication Bus New Systems
U0011 Medium Speed CAN Communication Bus Performance New Systems
U0012 Medium Speed CAN Communication Bus (+) open New Systems
U0013 Medium Speed CAN Communication Bus (+) low New Systems
U0014 Medium Speed CAN Communication Bus (+) high New Systems
U0015 Medium Speed CAN Communication Bus (-) open New Systems
U0016 Medium Speed CAN Communication Bus (-) low New Systems
U0017 Medium Speed CAN Communication Bus (-) high New Systems
U0018 Medium Speed CAN Communication Bus (-) shorted to Bus (+) New Systems
U0019 Low Speed CAN Communication Bus New Systems
U0020 Low Speed CAN Communication Bus Performance New Systems
U0021 Low Speed CAN Communication Bus (+) open New Systems
U0022 Low Speed CAN Communication Bus (+) low New Systems
U0023 Low Speed CAN Communication Bus (+) high New Systems
U0024 Low Speed CAN Communication Bus (-) open New Systems
U0025 Low Speed CAN Communication Bus (-) low New Systems
U0026 Low Speed CAN Communication Bus (-) high New Systems
U0027 Low Speed CAN Communication Bus (-) shorted to Bus (+) New Systems
U0028 Vehicle Communication Bus A New Systems
U0029 Vehicle Communication Bus A Performance New Systems
U0030 Vehicle Communication Bus A (+) open New Systems
U0031 Vehicle Communication Bus A (+) low New Systems
U0032 Vehicle Communication Bus A (+) high New Systems
U0033 Vehicle Communication Bus A (-) open New Systems
U0034 Vehicle Communication Bus A (-) low New Systems
U0035 Vehicle Communication Bus A (-) high New Systems
U0036 Vehicle Communication Bus A (-) shorted to Bus (+) New Systems
U0037 Vehicle Communication Bus B New Systems
U0038 Vehicle Communication Bus B Performance New Systems
U0039 Vehicle Communication Bus B (+) open New Systems
U0040 Vehicle Communication Bus B (+) low New Systems
U0041 Vehicle Communication Bus B (+) high New Systems
U0042 Vehicle Communication Bus B (-) open New Systems
U0043 Vehicle Communication Bus B (-) low New Systems
U0044 Vehicle Communication Bus B (-) high New Systems
U0045 Vehicle Communication Bus B (-) shorted to Bus (+) New Systems
U0046 Vehicle Communication Bus C New Systems
U0047 Vehicle Communication Bus C Performance New Systems
U0048 Vehicle Communication Bus C (+) open New Systems
U0049 Vehicle Communication Bus C (+) low New Systems
U0050 Vehicle Communication Bus C (+) high New Systems
U0051 Vehicle Communication Bus C (-) open New Systems
U0052 Vehicle Communication Bus C (-) low New Systems
U0053 Vehicle Communication Bus C (-) high New Systems
U0054 Vehicle Communication Bus C (-) shorted to Bus (+) New Systems
U0055 Vehicle Communication Bus D New Systems
U0056 Vehicle Communication Bus D Performance New Systems
U0057 Vehicle Communication Bus D (+) open New Systems
U0058 Vehicle Communication Bus D (+) low New Systems
U0059 Vehicle Communication Bus D (+) high New Systems
U0060 Vehicle Communication Bus D (-) open New Systems
U0061 Vehicle Communication Bus D (-) low New Systems
U0062 Vehicle Communication Bus D (-) high New Systems
U0063 Vehicle Communication Bus D (-) shorted to Bus (+) New Systems
U0064 Vehicle Communication Bus E New Systems
U0065 Vehicle Communication Bus E Performance New Systems
U0066 Vehicle Communication Bus E (+) open New Systems
U0067 Vehicle Communication Bus E (+) low New Systems
U0068 Vehicle Communication Bus E (+) high New Systems
U0069 Vehicle Communication Bus E (-) open New Systems
U0070 Vehicle Communication Bus E (-) low New Systems
U0071 Vehicle Communication Bus E (-) high New Systems
U0072 Vehicle Communication Bus E (-) shorted to Bus (+) New Systems
U0073 Control Module Communications Bus Off New Systems
U0100 Lost Communication with ECM/PCM A New Systems
U0101 Lost Communication with TCM New Systems
U0102 Lost Communication with Transfer Case Control Module New Systems
U0103 Lost Communication with Gear Shift Module New Systems
U0104 Lost Communication with Cruise Control Module New Systems
U0105 Lost Communication with Fuel Injector Control Module New Systems
U0192 Lost Communication with Television New Systems
U0197 Lost Communication with Telephone Control Module New Systems
U0198 Lost Communication with Telematic Control Module New Systems
U0222 Lost Communication with Door Window Motor A New Systems
U0235 Lost Communications with Cruise Control Front Distance Range Sensor New Systems
U0301 Software Incompatibility with ECM/PCM New Systems
U0302 Software Incompatibility with TCM (Transmission Control Module) New Systems
U0303 Software Incompatibility with Transfer Case Control Module New Systems
U0321 Software Incompatibility with Ride Level Control Module New Systems
U0326 Software Incompatibility with Vehicle Immobilizer Control Module New Systems
U0327 Software Incompatibility with Vehicle Security Control Module New Systems

Mercedes-Benz Diagnostic Trouble Codes (DTC) for 1996+ models

Powertrain

P0100 Mass or Volume Air Flow Circuit Malfunction
P0101 Mass or Volume Air Flow Circuit Range/Performance Problem
P0102 Mass or Volume Air Flow Circuit Low Input
P0103 Mass or Volume Air Flow Circuit High Input
P0104 Mass or Volume Air Flow Circuit Intermittent
P0105 Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent
P0110 Intake Air Temperature Circuit Malfunction
P0111 Intake Air Temperature Circuit Range/Performance Problem
P0112 Intake Air Temperature Circuit Low Input
P0113 Intake Air Temperature Circuit High Input
P0114 Intake Air Temperature Circuit Intermittent
P0115 Engine Coolant Temperature Circuit Malfunction
P0116 Engine Coolant Temperature Circuit Range/Performance Problem
P0117 Engine Coolant Temperature Circuit Low Input
P0118 Engine Coolant Temperature Circuit High Input
P0119 Engine Coolant Temperature Circuit Intermittent
P0120 Throttle/Petal Position Sensor/Switch A Circuit Malfunction
P0121 Throttle/Petal Position Sensor/Switch A Circuit Range/Performance Problem
P0122 Throttle/Petal Position Sensor/Switch A Circuit Low Input

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