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Home >> Mercedes Benz >> 2021 >> GLA250 Base >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index - Fuel Controls (FSCM_Gen5) >> Fuel Control DTCS (FSCM_Gen5)
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Fuel Control DTCS (FSCM_Gen5)

FUEL CONTROL DTCS (FSCM_GEN5)

MB DTC Description
B106A08 Relay coil 'Rear windshield heater' has a malfunction. There is a signal fault or the message is faulty.
B106A16 Relay coil 'Rear windshield heater' has a malfunction. The limit value for electrical voltage has not been attained.
B106A17 Relay coil 'Rear windshield heater' has a malfunction. The limit value for electrical voltage has been exceeded.
B106B08 The relay coil 'Windshield heater' has a malfunction. There is a signal fault or the message is faulty.
B106B12 The relay coil 'Windshield heater' has a malfunction. There is a short circuit to positive.
B106B14 The relay coil 'Windshield heater' has a malfunction. There is a short circuit to ground or an open circuit.
B106E11 The rear blower regulator has a malfunction. There is a short circuit to ground.
B106E15 The rear blower regulator has a malfunction. There is a short circuit to positive or an open circuit.
B106F11 The left rear blower regulator has a malfunction. There is a short circuit to ground.
B106F15 The left rear blower regulator has a malfunction. There is a short circuit to positive or an open circuit.
B107012 The right rear blower regulator has a malfunction. There is a short circuit to positive.
B107014 The right rear blower regulator has a malfunction. There is a short circuit to ground or an open circuit.
B107112 Blower regulator ""Underfloor"" has a malfunction. There is a short circuit to positive.
B107114 Blower regulator ""Underfloor"" has a malfunction. There is a short circuit to ground or an open circuit.
B210A00 The power supply in the system is too low.
B210B00 The power supply in the system is too high.
B210D00 The power supply is too low.
B210E00 The power supply is too high.
P008700 The fuel pressure in the system is too low.
P008A00 The pressure in the fuel low pressure circuit is too low.
P008A84 The pressure in the fuel low pressure circuit is too low. There is a signal below the permissible limit value.
P017600 The fuel quality sensor has an electrical fault.
P017700 The fuel quality sensor has a malfunction.
P017800 The fuel quality sensor has a short circuit to ground.
P017900 The fuel quality sensor has a short circuit to positive.
P023019 The fuel pump has a malfunction. The limit value for current has been exceeded.
P046100 The component 'Primary fill level sensor' has a malfunction.
P046109 The component 'Primary fill level sensor' has a malfunction. There is a component fault.
P046200 The component 'Primary fill level sensor' has a short circuit to ground
P046300 The component 'Primary fill level sensor' has a short circuit to positive.
P062700 The output for the fuel pump has an electrical fault or open circuit.
P062713 The output for the fuel pump has an electrical fault or open circuit. There is an open circuit.
P062800 The output for the fuel pump has a short circuit to ground.
P062811 The output for the fuel pump has a short circuit to ground. There is a short circuit to ground.
P062900 The output for the fuel pump has a short circuit to positive.
P062912 The output for the fuel pump has a short circuit to positive. There is a short circuit to positive.
P064A00 Control unit 'Fuel pump' has a malfunction.
P06B300 Output 2 for the power supply of the sensors has an electrical fault or an open circuit.
P06B411 Output 2 for the power supply of the sensors has a short circuit to ground. There is a short circuit to ground.
P06B512 Output 2 for the power supply of the sensors has a short circuit to positive. There is a short circuit to positive.
P13E600 The suction jet pump has a malfunction.
P146364 Component 'Combined sensor for low fuel pressure and fuel temperature' has a plausibility error.
P162A00 There is an internal fault in control unit ""Fuel pump"".
P162A44 There is an internal fault in control unit ""Fuel pump"". There is an error in the data memory.
P162A45 There is an internal fault in control unit ""Fuel pump"". There is an error in the program memory.
P164400 An incorrect variant coding or configuration was detected.
P177500 The fuel filter for diesel fuel is clogged.
P177600 The fuel filter for spark-ignition engine fuel is loaded.
P1BC411 The analog signal of the fuel pump has a malfunction.
P1BC415 The analog signal of the fuel pump has a malfunction.
P1D2400 A leak was detected in the low-pressure fuel circuit.
P206600 The component 'Secondary fill level sensor' has a malfunction.
P206609 The component 'Secondary fill level sensor' has a malfunction. There is a component fault.
P206700 The component 'Secondary fill level sensor' has a short circuit to ground
P206800 The component 'Secondary fill level sensor' has a short circuit to positive.
P253414 Circuit 15 has a short circuit to ground. There is a short circuit to ground or an open circuit.
P253512 Circuit 15 has a short circuit to positive. There is a short circuit to positive.
U001988 Interior CAN communication has a malfunction. Bus OFF
U002800 Communication with the drivetrain CAN bus has a malfunction.
U002888 Communication with the drivetrain CAN bus has a malfunction. Bus OFF
U003788 Communication with the chassis CAN bus has a malfunction. Bus OFF
U010001 Communication with the control unit 'combustion engine' has a malfunction. There is a general electrical fault.
U010002 Communication with the control unit 'combustion engine' has a malfunction. There is a general signal fault.
U010003 Communication with the control unit 'combustion engine' has a malfunction. There is a frequency or pulse width modulation fault.
U010004 Communication with the control unit 'combustion engine' has a malfunction. There is an internal fault.
U010005 Communication with the control unit 'combustion engine' has a malfunction. There is a programming fault.
U010006 Communication with the control unit 'combustion engine' has a malfunction. There is an algorithm fault.
U010007 Communication with the control unit 'combustion engine' has a malfunction. There is a mechanical fault.
U010008 Communication with the control unit 'combustion engine' has a malfunction. There is a signal fault or the message is faulty.
U010009 Communication with the control unit 'combustion engine' has a malfunction. Reserved for ISO/SAE
U010010 Communication with the control unit 'combustion engine' has a malfunction. There is a mechanical fault.
U010087 Communication with the control unit 'combustion engine' has a malfunction. The message is missing.
U011101 Communication with control unit ""Battery"" has a malfunction. There is a general electrical fault.
U011187 Communication with control unit ""Battery"" has a malfunction. The message is missing.
U011501 Communication with control unit 'Drivetrain' has a malfunction. There is a general electrical fault.
U011502 Communication with control unit 'Drivetrain' has a malfunction. There is a general signal fault.
U011503 Communication with control unit 'Drivetrain' has a malfunction. There is a frequency or pulse width modulation fault.
U011587 Communication with control unit 'Drivetrain' has a malfunction. The message is missing.
U014187 Communication with the front signal acquisition and actuation module has a malfunction. The message is missing.
U014687 Communication with the central gateway has a malfunction. The message is missing.
U015501 Communication with the instrument cluster has a malfunction. There is a general electrical fault.
U015587 Communication with the instrument cluster has a malfunction. The message is missing.
U016801 Communication with the electronic ignition lock has a malfunction. There is a general electrical fault.
U016802 Communication with the electronic ignition lock has a malfunction. There is a general signal fault.
U016887 Communication with the electronic ignition lock has a malfunction. The message is missing.
U040100 Implausible data were received from control unit 'combustion engine'.
U040101 Implausible data were received from control unit 'combustion engine'. There is a general electrical fault.
U040102 Implausible data were received from control unit 'combustion engine'. There is a general signal fault.
U040103 Implausible data were received from control unit 'combustion engine'. There is a frequency or pulse width modulation fault.
U103788 Communication with the front end CAN bus has a malfunction. Bus OFF
U103888 Communication with the diagnostic CAN bus has a malfunction. Bus OFF
U103D88 Communication with the chassis CAN bus 2 has a malfunction. Bus OFF
U103D8F Communication with the chassis CAN bus 2 has a malfunction. The signal or message is erratic.
U103D90 Communication with the chassis CAN bus 2 has a malfunction. Reserved for ISO/SAE
U103D91 Communication with the chassis CAN bus 2 has a malfunction. The parameter is outside the permissible range.
U103D92 Communication with the chassis CAN bus 2 has a malfunction. The function or the instruction is faulty.
U103D93 Communication with the chassis CAN bus 2 has a malfunction. There are no instructions.
U103D94 Communication with the chassis CAN bus 2 has a malfunction. There is an unexpected instruction.
U103D95 Communication with the chassis CAN bus 2 has a malfunction. The mechanical setup is not OK.
U122238 The signal line to component 'Control unit 'Combustion engine' is defective.
U122262 The signal line to component 'Control unit 'Combustion engine' is defective.
U160600 Data record 1 of the software module is missing or faulty.