Mercedes Atego 2 List of DTCs for the brake system (BS)

TYPE 375.1 with a body 375.850

TYPE 970, 972, 974, 975, 976 with the body 972.890

TYPE 958.0

0117 The tachograph speed signal does not match the speed signal of the FDR control unit.

0160 Data transfer to CAN vehicle has been interrupted.

0162 CAN message 'Speed signal (V)' from the tachograph is not reliable.

OR

Incorrect CAN message 'Speed signal (V)' from the tachograph.

0180 Missing data on the CAN bus a / m 'ASR function'

0181 Missing data on the CAN bus a / m 'SMR function'

0182 Missing data on the CAN bus a / m 'Permanent brake 1

0183 Missing data on the CAN bus of the parking brake

0184 Missing data on the CAN bus of the vehicle 'Rolling lock'

0185 Missing data on the CAN bus of the car 'Stability control'

0260 Communication with the trailer CAN bus is broken.

OR

Incorrect trailer CAN signal.

0263 Communication with the trailer CAN bus has been interrupted.

OR

The CAN signal of the trailer has a break in the electrical circuit.

0275 CAN-High trailer malfunction.

0276 CAN-Low trailer malfunction.

0300 Complete failure of the CAN bus brake system

0463 Communication on the CAN bus of the brake system (path A) is interrupted.

0563 Communication on the CAN bus of the brake system (path B) is interrupted.

0910 Hardware malfunction during programming of the control unit

0911 Control unit EEPROM malfunction

0930 The control unit does not contain functional software!

0931 The control unit software used for programming the control unit is incorrect.

0932 Control unit software is broken.

0933 Control unit software is broken.

0934 Invalid identification block

0935 Incorrect programming process of the control unit

0936 Checksum error in the control unit software

1001 Overvoltage at terminal 15, 30a, ZOE

1002 Undervoltage or contact on terminals 15, 30a and ZOL

1010 The BS control unit for the brake system control is defective.

OR

Internal malfunction in the brake control unit BS

1011 The BS control unit for the brake system control is defective.

OR

Faulty EEPROM control unit

1012 The brake control unit BS of the brake system is incorrectly parameterized.

1014 BS control unit: invalid data from FDR / LWS / AM modules

1033 Activation of ABS solenoid valves unreliable.

1052 Initialization: incomplete data.

1094 Wrong tires on vehicles

OR

Different tires on vehicles

1102 Undervoltage or contact on terminal 30a

1103 Terminal 30a has an open circuit.

1201 Overvoltage at terminal 30

1202 Undervoltage or contact on terminal 30

OR

Undervoltage or contact on the terminal

1203 Terminal 30 is open.

OR Terminal 30b has an open circuit.

1302 Undervoltage or terminal 15

1303 Terminal 15 is open.

1305 Terminal 15 has a short to positive.

1404 'CBU Central Brake Unit' structural unit is faulty ('24 V' power supply has a short to ground).

1405 The 'CBU Central Brake Unit' component is faulty ('24 V' power supply has a short to positive).

1505 The power supply to the brake force modulator is short to positive.

1604 The control unit BS of the brake system control has a short to ground at the output of HZ 16/8.

1605 The control unit BS of the brake system control has a short circuit to positive at the output of HZ 16/8.

1704 The brake force modulator has a short to ground at the output of X68 / 6.

1705 The brake force modulator has a short circuit to positive at the output of X68 / 6.

2003 The ASR solenoid valve has an open circuit.

2004 ASR solenoid valve is shorted to ground.

2005 The ASR solenoid valve is shorted to positive.

2012 Disabling ASR is parameterized incorrectly.

2203 The rear axle overpressure valve assembly has a broken circuit.

2204 The rear axle overpressure valve assembly has a short to ground.

2205 The rear axle overpressure valve assembly has a short to positive.

2291 Duplicate pressure not trapped by backup valve 'Rear axle1

2404 The 'CBU Central Brake Unit' assembly is faulty (the front axle overpressure valve has a short to ground).

2405 The 'CBU Central Brake Unit' assembly is defective (the front axle overpressure valve is shorted to positive).

2407 The 'CBU Central Brake Unit' assembly is faulty (the front axle overpressure valve has a short to ground).

2408 The 'CBU Central Brake Unit' structural unit is faulty (the front axle overpressure valve has a positive circuit).

2409 The 'CBU Central Brake Unit' structural unit is defective (the front axle overpressure valve has an open circuit).

2429 The 'CBU Central Brake Unit' structural unit is faulty (the front axle overpressure valve has external excitation).

2504 The center differential lock has a short to ground on terminal X2 18/18.

2505 The center differential lock has a short to positive on terminal X2 18/18.

2603 The auxiliary brake valve assembly has an open circuit.

2604 Auxiliary brake valve assembly has a short to ground.

2605 Auxiliary brake valve assembly has a short to positive.

2612 The auxiliary brake valve in the BS brake control unit is not parameterized correctly.

3012 The front axle solenoid valve on the right is incorrectly parameterized.

3020 The ABS solenoid valve on the front axle on the right has an open circuit on pin 3.

3021 The ABS solenoid valve on the front axle on the right has a short to ground on pin 3.

3022 The ABS solenoid valve on the front axle on the right has a short to positive on pin 3.

3023 The ABS solenoid valve on the front axle on the right has an open circuit on pin 2.

3026 The ABS solenoid valve on the front axle on the right has an open circuit on pin 1.

3027 The ABS solenoid valve on the front axle on the right has a short to ground on pin 1.

3028 The ABS solenoid valve on the front axle on the right has a short to positive on pin 1.

3029 The ABS solenoid valve on the front axle on the right has an external control signal.

3120 The ABS solenoid valve on the front axle on the left has an open circuit on pin 3.

3121 The ABS solenoid valve on the front axle on the left has a short to ground on pin 3.

3122 The ABS solenoid valve on the front axle on the left has a short to positive on pin 3.

3123 The ABS solenoid valve on the front axle on the left has an open circuit on the pin.

3126 The ABS solenoid valve on the front axle on the left has an open circuit on the pin.

3127 The ABS solenoid valve on the front axle on the left has a short to ground on pin 1.

3128 The ABS solenoid valve on the front axle on the left has a short to positive on pin 1.

3129 The ABS solenoid valve on the front axle on the left has an external control signal.

3220 The ABS solenoid valve on the rear axle on the right has an open circuit on pin 3.

3221 The ABS rear axle solenoid valve on the right has a short to ground on pin 3.

3222 The ABS solenoid valve on the rear axle on the right has a short to positive on pin 3.

3223 The ABS solenoid valve on the rear axle on the right has an open circuit on pin 2.

3226 The ABS solenoid valve on the rear axle on the right has an open circuit on pin 1.

3227 The ABS solenoid valve on the rear axle on the right has a short to ground on pin 1.

3228 The ABS solenoid valve on the rear axle on the right has a short to positive on pin 1.

3229 The ABS solenoid valve on the rear axle on the right has an external control signal.

3320 The ABS rear axle solenoid valve on the left has an open circuit on pin 3.

3321 The ABS rear axle solenoid valve on the left has a short to ground on pin 3.

3322 The ABS rear axle solenoid valve on the left has a short to positive on pin 3.

3323 The ABS rear axle solenoid valve on the left has an open circuit on pin 2.

3326 The ABS rear axle solenoid valve on the left has an open circuit on pin 1.

3327 The ABS rear axle solenoid valve on the left has a short to ground on pin 1.

3328 The ABS left rear axle solenoid valve has a short to positive on pin 1.

3329 The ABS solenoid valve on the rear axle on the left has an external control signal.

3604 The ABS solenoid valve has a short to ground on pin 2.

OR

The ABS solenoid valves on the front axle on the left and right have a short to ground on pin 2.

3605 ABS solenoid valves have a short to positive on pin 2.

OR

The ABS solenoid valves on the front axle on the left and right have a short to positive on pin 2.

4040 The speed sensor on the front axle on the right has an open circuit.

4041 The speed sensor on the front axle on the right has a short to ground.

4042 The speed sensor on the front axle on the right has a short to positive.

4044 Shorting the turns of the speed sensor on the front axle to the right.

4045 The front axle inductor on the right is defective.

4046 Front axle speed sensor vibration on the right

4047 Induction runout due to skew on the front axle on the right.

4048 Front axle speed sensor clearance on the right.

4049 Invalid wheel speed on the 'Front axle right' speed sensor

4140 The speed sensor on the front axle on the left has an open circuit.

4141 The speed sensor on the front axle on the left has a short to ground.

4142 The speed sensor on the front axle on the left has a short to positive.

4144 Shorting the turns of the speed sensor on the front axle to the left.

4145 The inductor on the front axle on the left is defective.

4146 Front Axle Speed Sensor Vibration Left

4147 Induction runout due to skew on the front axle on the left.

4148 Front axle speed sensor clearance on the left.

4149 Invalid wheel speed on the 'Front axle left' speed sensor

4240 The speed sensor on the rear axle on the right has a circuit break.

4241 The speed sensor on the rear axle on the right has a short to ground.

4242 The speed sensor on the rear axle on the right has a short to positive.

4244 Short circuit of the turns of the speed sensor on the rear axle on the right.

4245 The rear axle inductor on the right is defective.

4246 Rear axle speed sensor vibration

4247 Induction runout due to skew on the rear axle on the right.

4248 The rear axle speed sensor clearance on the right.

4249 Invalid wheel speed on the rear axle speed sensor

4340 Break in the electrical circuit of the speed sensor on the rear axle on the left.

4341 The speed sensor on the rear axle on the left has a short to ground.

4342 The speed sensor on the rear axle on the left has a short to positive.

4344 Shorting the turns of the speed sensor on the rear axle to the left.

OR

Closing sensor coils on the rear axle on the left

4345 Inductor on the rear axle on the left is defective.

4346 Vibration speed sensor on the rear axle on the left

4347 Runout due to skew of the rear left inductor

4348 Left rear speed sensor clearance.

OR

Rear Left Speed Sensor, Clearance

4349 Invalid wheel speed on the left axle speed sensor

5041 The brake pad wear sensor on the front axle on the right has a short to ground.

5042 The brake pad wear sensor on the front axle on the right has a short to positive.

OR

The signal of the brake pad wear sensor on the front axle on the right has a short to positive.

5043 The signal of the brake pad wear sensor on the front axle on the right cannot be measured.

5049 The brake pad wear sensor on the front axle on the right has an invalid signal.

5141 The brake pad wear sensor on the front axle on the left has a short to ground.

5142 The brake pad wear sensor on the front axle on the left has a short to positive.

OR

The signal of the brake pad wear sensor on the front axle on the left has a short to positive.

5143 The signal of the brake pad wear sensor on the front axle on the left cannot be measured.

5149 The brake pad wear sensor on the front axle on the left has an invalid signal.

5204 Power to the brake pad wear sensors and front axle pressure sensor has a short to ground.

OR

The wiring of the brake pad wear sensor on the front axle has a short to ground.

5205 Power supply to the brake pad wear sensors and front axle pressure sensor has a short to positive.

OR

The wiring of the brake pad wear sensor on the front axle has a short to positive.

5341 The brake pad wear sensor on the rear axle on the right has a short to ground.

5342 The brake pad wear sensor on the rear axle on the right has a short to positive.

OR

The signal of the brake pad wear sensor on the rear axle on the right has a short to positive.

5343 The signal of the brake pad wear sensor on the rear axle on the right cannot be measured.

5349 The brake pad wear sensor on the rear axle on the right has an invalid signal.

5441 The brake pad wear sensor on the rear axle on the left has a short to ground.

5442 The brake pad wear sensor on the rear axle on the left has a short to positive.

OR

The signal from the brake pad wear sensor on the rear axle on the left has a short to positive.

5443 The signal of the brake pad wear sensor on the rear axle on the left cannot be measured.

5449 The brake pad wear sensor on the rear axle on the left has an invalid signal.

5504 The power supply to the rear axle pressure sensor and the trailer control valve have a short to ground.

OR

The wiring of the brake pad wear sensor on the rear axle has a short to ground.

5505 The power supply to the rear axle pressure sensor and the trailer control valve have a short to positive.

OR

The wiring of the brake pad wear sensor on the rear axle has a short to positive.

6000 CBU Central Brake Unit defective (brake torque sensor defective)

6092 Brake valve sensor: incorrect timing

OR

CBU Central Brake Unit is defective (brake torque sensor: timing signal is incorrect)

6098 CBU Central Brake Unit is defective (gas pedal and brake pedal signals are invalid).

6140 CBU Central Brake Unit is defective (brake light switch K1: the signal has an open circuit).

6141 CBU Central Brake Unit is defective (brake light switch K1: the signal has a short to ground).

6142 CBU Central Brake Unit is defective (brake light switch K1: the signal has a short to positive).

6192 No signal from the brake switch K1.

6240 CBU Central Brake Unit is defective (K2 brake light switch: the signal has an open circuit).

6241 CBU Central Brake Unit is defective (K2 brake light switch: signal has a short to ground).

6242 CBU Central Brake Unit is malfunctioning (K2 brake light switch: signal has a short to positive).

6292 No signal from the K2 brake switch.

6304 The brake value K1 has a short to ground on pin 1.

6305 The brake value K1 has a short to positive on pin 1.

6341 CBU Central Brake Unit is defective (K1 brake value sensor: pedal position has a short to ground.)

6342 The brake value K1 has a short to positive on pin 4.

6343 The signal from the brake valve valve K1 cannot be measured.

OR

CBU Central Brake Unit is defective (K1 brake value sensor: pedal position is not accompanied by a signal).

6404 The brake value K2 has a short to ground on pin 1.

6405 The brake value K2 has a short to positive on pin 1.

6441 CBU Central Brake Unit is defective (K2 brake value sensor: pedal position has a short to ground).

6442 The brake value K2 has a short circuit to positive on pin 4.

6443 The signal from the brake valve valve K2 cannot be measured.

OR

The CBU Central Brake Unit is defective (K2 brake value sensor: pedal position is not accompanied by a signal).

7000 CBU Central Brake Unit defective (proportional relay valve defective)

7096 CBU Central Brake Unit is defective (the proportional valve valve has an invalid pressure value).

7104 CBU Central Brake Unit defective (proportional relay valve defective)

7105 CBU Central Brake Unit defective (proportional relay valve defective)

7107 CBU Central Brake Unit defective (proportional relay valve defective)

7108 CBU Central Brake Unit defective (proportional relay valve defective)

7109 CBU Central Brake Unit defective (proportional relay valve defective)

7120 The front axle pressure adjustment module has an open circuit on pin 1.

7121 Front axle pressure control module short circuit to ground at pin 1.

7122 Front axle pressure control module short circuit to positive on pin 1.

7123 The front axle pressure adjustment module has an open circuit on pin 2.

7126 The front axle pressure adjustment module has an open circuit on pin 7.

7127 Front axle pressure control module short circuit to ground at pin 7.

7128 Front axle pressure control module short circuit to positive on pin 7.

7129 The front axle pressure control unit has an external control signal.

OR

CBU Central Brake Unit is defective (proportional valve valve has external excitation).

7130 The front axle pressure adjustment module has an open circuit on pin 3.

7131 Front axle pressure control module short circuit to ground at pin 3.

7132 Front axle pressure control module short circuit to positive on pin 3.

7190 [Duplication on the front axle pressure control unit failed.

7241 Front axle pressure control module short circuit to ground at pin 6.

7242 Front axle pressure control module short circuit to positive on pin 6.

OR

The 'CBU Central Brake Unit' structural unit is faulty (proportional valve valve: pressure sensor has a short to positive).

7243 The 'CBU Central Brake Unit' structural unit is faulty (proportional valve valve: the pressure sensor has an open circuit, no signal or short circuit).

7296 The pressure sensor in the front axle pressure control unit has an invalid value.

7300 Faulty brake force modulator drive axle

7302 Undervoltage or disturbed contact on the axle brake modulator

7313 Brake force modulator: wrong type installed

7314 The drive axle braking force modulator provides false data.

7316 The rear axle braking force modulator is faulty.

7364 Communication on the CAN bus of the brake system is broken

7365 Communication between the brake force modulator and the steering angle sensor / unit / FDR board is broken

7392 Rear axle braking force modulator: wrong timing signal

7395 Braking Force Modulator: Auxiliary Pressure Regulation

7500 Faulty trailer control valve

7512 The trailer control valve is not parameterized correctly.

7596 The trailer control valve has invalid pressure values.

7604 The trailer control valve has a short to ground at terminal Y23 / 4.

7605 The trailer control valve has a short to positive on terminal Y23 / 4.

7607 The trailer control valve has a short to ground at terminal Y23 / 5.

7608 The trailer control valve has a short to positive on terminal Y23 / 5.

7609 The trailer control valve has an open circuit on pin Y23 / 4 or Y23 / 5.

7620 The trailer control valve has an open circuit on pin 1.

7621 The trailer control valve has a short to ground on pin 7.

7622 The trailer control valve has a short to positive on pin 7.

7623 The trailer control valve has an open circuit on pin 2.

7626 The trailer control valve has an open circuit on pin 1.

7627 The trailer control valve has a short to ground on pin 1.

7628 The trailer control valve has a short to positive on pin 1.

7629 The trailer control valve has an external control signal.

The trailer control valve is externally driven.

7690 Duplication on the trailer control valve failed.

7741 The trailer control valve has a short to ground on pin 6.

7742 The trailer control valve has a short to positive on pin 6.

Trailer control valve: pressure sensor has a short circuit to positive.

7743 Trailer control valve: the pressure sensor has an open circuit, no signal, or short circuit.

7791 Actual trailer control valve pressure values are too high.

7796 The pressure sensor in the trailer control valve is invalid.

7904 The valve mass at terminal X2 18/9 has a short to ground.

7905 The valve mass on pin X2 18/9 has a short to positive.

8090 Brake circuit on the rear axle: duplication failed

8193 Hermic overload wheel brake

8290 Front axle brake circuit: no duplication effect

8570 Invalid deactivation of the brake

8600 CAN message from the ABA Active Brake Assist control unit is invalid or invalid.

8620 The rear axle pressure adjustment module has an open circuit on pin 1.

8621 Rear axle pressure control module short circuit to ground at pin 1.

8622 Rear axle pressure control module short circuit to positive on pin 1.

8623 The rear axle pressure adjustment module has an open circuit on pin 2.

8626 The rear axle pressure adjustment module has an open circuit on pin 7.

8627 Rear axle pressure control module short circuit to ground at pin 7.

8628 Rear axle pressure control module short circuit to positive on pin 7.

8629 The rear axle pressure control unit has an external control signal.

8630 The rear axle pressure adjustment module has an open circuit on pin 3.

8631 Rear axle pressure control module short circuit to ground at pin 3.

8632 Rear axle pressure control module short circuit to positive on pin 3.

! 8663 Communication between the ABA Active Brake Assist control unit and the BS brake control has been interrupted.

8690 Duplication on the rear axle pressure control unit failed.

8741 Rear axle pressure control module short circuit to ground at pin 6.

8742 Rear axle pressure control module short circuit to positive on pin 6.

8796 The pressure sensor in the rear axle pressure control unit is invalid.

9002 The FDR control unit has undervoltage at terminal 1.

9010 Internal FDR Module Error

9011 EDROM Error FDR Module

9012 Incorrect parameterization of the FDR module

9013 Incorrect FDR control unit installed.

9051 The FDR control unit has an incorrect installation position.

9052 The initialization (learning) process of the FDR control unit was not completed.

9064 Communication between the CAN bus modules of the brake system is broken.

9065 Communication between the CAN bus modules of the brake system is broken.

9502 The steering angle sensor has a reduced voltage.

9510 The steering angle sensor is defective.

9512 The steering angle sensor in the BS brake control unit is not parameterized correctly.

9515 The steering angle sensor gives false data.

9543 The steering angle sensor does not provide a measured value.

9550 Steering angle sensor is invalid.

9553 The BS control unit recognizes a failure in the steering angle sensor.

9563 The steering angle sensor detects a CAN communication error.

9565 The BS control unit detects a malfunction of the steering angle sensor.

9597 The steering angle sensor provides an unreliable steering ratio.