Mercedes Trucks FR Fault Codes list

By | 07/11/2018

Mercedes-Benz Truck Diagnostic Trouble Codes (DTCs) of the Motion Control System (FR) Control Unit

Mercedes Trucks FR Fault Codes list

Mercedes-Benz

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0110 – CAN message from the anti-lock ABS control unit is missing or incorrect.
0111 – The value measured by the GS control unit is not valid.
0112 – CAN message from control unit is missing or incorrect.
0113 – CAN message from the control unit RS of the retarder control is missing or incorrect.
0114 – CAN message from the instrument cluster INS control unit is missing or incorrect.
0115 – CAN message from the PSM control unit of the parameterized special module is missing or incorrect.
0117 – The value measured by the WSK clutch control unit of the torque converter clutch is not valid.
0119 – The value measured by the KWS control unit is not valid.
0180 – The value measured by the ART control unit is not valid.
0201 – CAN engine to the MR control unit in single-wire operation mode
0202 – CAN message from the MR control unit is missing or incorrect.
0203 – Engine CAN to MR control unit: electrical circuit break
0306 – CAN engine to the FLA system: electrical circuit break
0416 – The High-Speed-CAN tire has failed by more than 100 m / s.
0418 – High-Speed-CAN bus is out of order.
0501 – CAN KP bus in single-wire mode
0508 – CAN KP bus does not issue data.
0584 – Restriction of ‘KR’ function
0681 – Automatic transmission selection system failed
0682 – Automatic transmission selection system in emergency mode
0783 – Error requesting data
1120 – The ‘D +’ connector has a short to positive.
1125 – The ‘D +’ connector on pin X4 18/13 is unreliable or has an open circuit or short to ground.
1223 – The clutch pedal switch 1 on contact X1 18/1 has an electrical circuit break or is improperly adjusted.
1421 – The brake light switch has an electrical break or is improperly adjusted.
1423 – The brake light switch on contact X118 / 11 is short-circuited.
1523 – Faulty tempomat-temposet switch.
1524 – The tempomat-temposet switch is faulty.
1526 – The ‘Quit’ input of the tempomat switch is open.
1623 – Clutch pedal sensor 1 and 2: incorrect adjustment or sensor stuck
1723 – The neutral position switch on pin X418 / 16 is defective or stuck.
1923 – The divider switch on contacts X2 18/11 and X2 18/12 has an electrical circuit break or is erroneous.
2023 – Faulty engagement lever motor brake switch ‘Engine / retarder control’
2120 – Output X1 18/13 has a short to positive.
2122 – Output X1 18/13 has a short to ground.
2520 – The 1/4 switch block has a short to positive.
2522 – The 1/4 switch box has a short to ground.
2620 – The 2/3 switch box has a short to positive.
2622 – The 2/3 switch box has a short to ground.
2720 ​​- The oil level sensor in the automatic refueling of the M2 engine oil has a short to positive.
2823 – Dual key management ART
2923 – Toggle lever module unreliable
2927 – The GS sensor unit is clamped.
2928 – The GS sensor unit is faulty.
2929 – The ‘Auto / Manual’ key of the GS touch block is stuck.
3021 – Terminal 30 has a break.
3031 – Terminal 30: increased voltage
3032 – Terminal 30: Undervoltage
3130 – The coolant level sensor HZ 15/11 or the HZ 15/1 air filter control sensor is faulty, the HZ 15/13 power supply has an open circuit or short to positive or ground.
3233 – Air filter control sensor faulty.
3236 – The air filter pollution limit has been reached.
3330 – The outdoor temperature sensor has an open circuit / short to positive / ground.
3430 – Clutch stroke sensor has a circuit break, short to ground, or short to positive.

3533 – The coolant level sensor is faulty.
3634 – Max reached, friction clutch lining wear.
3635 – Clutch displacement sensor out of range
4141 – Signal К Input CGT speed is unreliable.
4145 – KP input shaft speed sensor: electrical circuit break / short to positive / ground
4341 – Invalid speed signal (V)
4345 – The speed signal has a break in the electrical circuit or a short to ground or positive.
4440 – The first branch of the gas pedal sensor has a break in the electrical circuit or a short to ground or positive.
4540 – The second branch of the gas pedal sensor has a break in the electrical circuit or a short to ground or positive.
4641 – The gas pedal sensor is faulty.
4642 – The gas pedal sensor does not reach the idle stop.
4643 – Gas pedal sensor value outside the parameterized range
4644 – Tight gas pedal sensor
5052 – Solenoid valve 1 on the contact HZ 15/4 has a short circuit to ground.
5053 – Solenoid valve 1 on the contact HZ 15/4 has a short to positive.
5054 – The solenoid valve 1 on the contact HZ 15/4 has a circuit break.
5152 – Solenoid valve 2 on the contact HZ 15/7 has a short to ground.
5153 – Solenoid valve 2 on the contact HZ 15/7 has a short to positive.
5154 – The solenoid valve 2 at the contact HZ 15/7 has a circuit break.
5252 – The common ground wire of the constant choke solenoid valve and the retarder has a short to ground.
5253 – The common ground wire of the constant choke solenoid valve and the retarder has a short to positive.
5352 – Solenoid valve ‘Split 1 ′ is short to ground.
5353 – The solenoid valve ‘Split 1 ′ has a short to positive.
5354 – Solenoid valve ‘Split 1 ′ has an electrical circuit break.
5452 – The solenoid valve ‘Split 2 ′ is short to ground.
5453 – The solenoid valve ‘Split 2 ′ has a short to positive.
5454 – Solenoid valve ‘Split 2 ′ has an electrical circuit break.
5552 – The common ground wire of the solenoid valves Y29 and Y30 is short to ground.
5553 – The common ground wire of the Y29 and Y30 solenoid valves has a short to positive.
5652 – Output “Control signal stop signals” has a short circuit to ground.
5653 – Output “Control signal stop signals” has a short circuit to positive.
5654 – Output ‘Activating the stop signal’ has an electrical circuit break.
5752 – Output “Control reversing lights” has a short to ground.
5753 – Output “Control reversing lights” has a short circuit to positive.
5754 – Exit “Control of the reversing lights” has a break in the electrical circuit.
5852 – Output “Activate D +” has a short to ground.
5853 – Output “Activate D +” has a short to positive.
5854 – The “D + Activation” output has an electrical circuit break.
5952 – Activating automatic engine oil refueling has a short to ground.
5953 – Activating automatic engine oil refueling has a short to positive.
5954 – Activating automatic refueling of engine oil has a break in the electrical circuit.
6262 – Internal error in the control unit.
6265 – Internal error in the control block.
6365 – Internal error in the control unit.
7064 – Internal error in the control unit.
7070 – Gas pedal unit not trained
7071 – Error initialization (training) gear ratio divider
7072 – Error initialization (learning) gear ratio terminals W
7073 – Error learning clutch displacement sensor
7074 – Error initialization (training) on ​​the CAN bus car
8023 – HL5 switch position unreliable

0110 CAN bus from the ABS control unit is missing or has a fault
0111 CAN bus from the GS control unit is missing or has a fault
OR
Measured variable from GS control unit not valid
0112 CAN bus from KS control unit is missing or has a fault
0113 CAN bus from RS control unit is missing or has a fault
0114 CAN bus from INS control unit is missing or has a fault
0115 CAN bus from the PSM control unit is missing or has a fault
0116 CAN bus of the car has a defect open / short circuit to ground / positive
0117 CAN bus from WSK control unit missing or malfunctioning.
OR
Measured parameter from WSK control unit not valid
0119 The measured parameter from the KWS control unit is not reliable
0180 Measured parameter from ART control unit is not reliable
0201 Engine CAN bus to MR control unit in single-wire mode
0202 CAN bus from MR control unit missing or malfunctioning
0203 CAN bus of the engine to the MR control unit is open
0306 The CAN bus of the engine to the FLA control unit is open
0416 CAN-High data bus for more than 100 seconds had an interrupt
0418 CAN-High data bus failed
0501 CAN bus transmission in single-wire mode
0508 Transmission CAN bus does not deliver any data
0681 Automatic transmission selection system failed
0682 Automatic transmission selection system is in emergency mode.
0783 Error while communicating
1120 D + connection has a short to positive
OR
Terminal D + has a short to positive
1125 Connection D + to contact X4 18/13 has an unreliable value or an open circuit or short circuit to
mass
OR
D + connector X4 18/13 unreliable value / open circuit / short circuit to ground
1223 Clutch pedal switch 1 on contact X1 18/1 has a break or incorrect alignment
OR
Clutch pedal switch X1 18/1, open / incorrectly adjusted
1323 Parking brake switch X3 15/9 has a malfunction or short circuit

1421 The brake light switch has a broken or incorrect alignment.
OR
Brake light switch, interruption / incorrect adjustment
1423 Brake light switch on pin X1 18/11 has a short circuit
OR
The stop light switch on contact X1 18/11, malfunction / short circuit
1523 The switch tempomat / temposet has a defect
1524 The switch tempomat / temposet has a defect
1526 The “QUIT” input of the tempomat switch is open
1623 Clutch pedal switch 1 and 2: error during adjustment or switch falls
1723 The neutral position switch on pin X4 18/16 is defective or sinks
OR
The switch of the neutral position on the contact X4 18/16 defect / switch falls
1923 Divider switch on contact X2 18/11 and X2 18/12 is interrupted or defective.
OR
Divider switch on contact X2 18/11 and X2 18/12, open / faulty
2023 Engine control switch for engine control lever / engine brake switch is faulty
2120 GSV1 has a short to positive
OR
Rectangular output GSV 1 On-Off control switch, short to positive
2122 The GSV1 has a short to ground.
OR
GSV Rectangular Output Signal 1 On-Off Switch Control, Short to Ground
2220 Rectangular output GSV 2 By-switch control, short to positive
2222 Rectangular output GSV 2 On-demand switch control, short to ground
2320 Rectangular GSV 3 output signal. On-off switch control, short to positive.
2322 Rectangular output GSV 3 On-demand switch control, short to ground
2420 Rectangular output GSV 4 On-demand switch control, short to positive
2422 Rectangular output GSV 4 On-demand switch control, short to ground
2520 1/4 switch group has a short to positive
2522 1/4 switch group has a short to ground
2620 2/3 switch group has a short to positive
2622 2/3 switch group has a short to ground
2720 ​​Oil level sensor in the system of automatic topping up of engine oil M2 has a short circuit to positive

2721 Oil level sensor in the system of automatic topping up of engine oil M2 has a break
2823 Dual control buttons ART
2923 The signal from the joystick is unreliable.
3021 Terminal 30 is open
3031 terminal 30 overvoltage
3032 terminal 30 insufficient voltage
3130 Coolant level sensor X3 15/11 or sensor monitoring air filter clogging
X3.15 / 1 is faulty, the voltage supply to X3 15/13 has an open or short to positive or
short circuit to ground
3233 Air filter clogging sensor faulty
3236 Air filter debris limit reached
3330 Outside temperature sensor open / short to positive / short to ground
3430 Clutch displacement sensor has an open / short to positive / short to ground
3533 Coolant level sensor faulty
3634 Maximum wear reached on clutch disc linings
3635 Clutch displacement sensor outside permissible parameter limits
4041 Terminal signal W has a malfunction / open circuit / short circuit to ground / short circuit to
a plus
OR
Signal terminal W unreliable
4141 The speed input sensor on the gearbox has a malfunction / frequency error
OR
The input speed signal on the gearbox is unreliable
4145 The speed input sensor on the gearbox has an open / short circuit to plus / short to ground
4341 Invalid V Speed ​​Signal
4345 Speed ​​signal has open or short to ground or short to positive.
4440 The first gas pedal sensor circuit has an open or short to positive or to ground.
4540 The second circuit of the gas pedal sensor has an open or short to positive or to ground
4641 Gas pedal sensor defective
4642 Gas pedal sensor does not reach idle stop
4643 Gas pedal sensor outside the agreed measuring range
4644 Gas pedal sensor difficult to move
5051 Magnetic valve 1, X3 15/4 open / short to positive
5052 Magnetic valve 1, X3 15/4 open / short to ground
5053 Output signal X3 15/4 has a short circuit to positive
5054 Output signal X3 15/4 has a break
5151 Magnetic valve 2, X3 15/7 open / short to positive
5152 Magnetic valve 2, X3 15/7 open / short to ground
5153 Output signal X3 15/7 has a short circuit to positive
5154 Output signal X3 15/7 is open
5252 MBA connection motor brake output valve valve short to ground

5253 The common cable of the mass of magnetic valves “Motor brake” has a short circuit to positive
5351 Output signal X4 18/7 or X4 18/8 has an open circuit or short to positive.
5352 Magnetic valve divider 1 has a short to ground
5353 Magnetic valve divider 1 has a short to positive
5354 Magnetic valve divider 1 is open
5451 Output signal X4 18/7 or X4 18/10 has an open circuit or short to positive.
5452 Magnetic valve divider 2 has a short to ground
5453 Magnetic valve divider 2 has a short to positive
5454 Magnetic valve divider 2 is open
5552 Output signal X4 18/7 or X3 15/8 has a short to ground
5553 Output signal X4 18/7 has a short to positive
5651 Stop brake output in the base module open / short to positive
5652 Stop brake output in the base module short circuit to ground
5653 The output signal “brake stop control” has a short circuit to positive
5654 The output signal “control brake stop” has a break
5751 Reverse light output in base module open / short to positive
5752 Reverse light output in base module short circuit to ground
5753 D + excitation has a short to positive
OR
The “Reverse light control” output signal has a short to positive
5754 Output signal “Reverse light control” has an open circuit.
5851 Output relay D + / base module open / short to positive
5852 Output relay D + / base module open / short to ground
5853 “Control from D +” output signal has short circuit to positive
5854 D + Office has a break.
5951 Control of automatic topping up of engine oil has an open circuit or short to positive.
5952 Control of automatic topping up of engine oil has a short to ground
5953 Automatic engine oil topping control has a short to positive
5954 Management of automatic refilling of engine oil has a break
6161 The control unit has an internal error.
6262 The control unit has an internal error.
7060 Parameter error or internal error “Basic speed parameter at idle
more than a working speed limit on a stationary car ”
OR
Parameter error or internal error 15 “Internal parameter Long-acting brake control not valid”
OR
Parameter error or internal error “Internal parameter Maximum long-term braking torque from the gearbox output is not reliable”
OR
Parameter error or internal error 14 “Termination error Terminal W gear ratio”
OR
Parameter error or internal errors from 1 to 11, from 18 to 22, 26
OR
Parameter error or internal error 23 “No clutch movement”
OR
Parameter error or internal error Parameter 03 “The speed limit prescribed by law is not reliable”

OR
Parameter error or internal error Parameter 04 “Additional speed limit not valid”
OR
Parameter error or internal error 12 Parameter 13 “CFFG-Max unreliable”
OR
Parameter error or internal error 13 Parameter 14 “CFFG-Min unreliable”
OR
Parameter error or internal error Parameter 79 “Maximum degree of braking of the engine brake lever is not reliable”
OR
Parameter error or internal error “Divider Ratio Programmed with Error”
OR
Parameter error or internal error 24 “Divider Ratio Programmed with Error”
OR
Parameter error or internal error “Invalid parameterization”
OR
The control unit has an internal error.
7064 The control unit has an internal error.
7070 Gas pedal assembly not agreed
7071 Negotiation error divider ratio
7072 Termination error terminal W gear ratio
7073 Error negotiating clutch displacement sensor
7074 Matching error on car CAN bus