Mercedes Atego PSM unit Fault Codes

Parameterizable special module(PSM)

The Parameterizable Special Module is an interface between external hard wiring and the engine and interior CAN bus.
Engine working speed control.
Engine start stop.
Additional external lighting
All can easily be coded in to the PSM control unit via basic logic blocks.

ERROR CODES EXPLANATION
PSM 0100 An external control unit for temperature control in the cab or trailer has detected a malfunction.
PSM 0101 The external control unit for recording the temperature in the cab or in the trailer does not communicate via the body CAN bus or the trailer CAN bus with the PSM control unit (parameterizable special module).
PSM 0160 Loss of communication on the vehicle CAN bus PSM 0161
PSM 0162 Loss of communication with the GS control unit (gear control)
PSM 0163 Lost communication with the FR control unit (driving control)
PSM 0164 Communication failure with BU INS (instrument cluster)
PSM 0200 An external control unit for monitoring the fluid level in the cab or in the trailer has detected a malfunction.
PSM 0201 The external control unit for detecting the liquid level in the cab or trailer does not communicate via the body CAN bus or the trailer CAN bus with the PSM control unit (parameterizable special module).
PSM 0270 Single-wire mode of the body CAN bus is not possible.
PSM 0271 CAN-H wire of the CAN-cabin bus is faulty
PSM 0272 CAN-L wire of the CAN-cabin bus is faulty
PSM 0300 An external control unit for monitoring the pressure in the cab or in the trailer has detected a malfunction.
PSM 0301 The external control unit for recording the pressure in the cabin or in the trailer does not communicate via the body CAN bus or the trailer CAN bus with the PSM control unit (parameterizable special module).
PSM 0370 Single-wire mode of the trailer CAN bus is not possible.
PSM 0371 CAN-H bus trailer CAN bus faulty
PSM 0372 CAN-L bus trailer CAN bus faulty
PSM 0400 An external control unit for ramp assist has detected a fault. The information is transmitted via the CAN cab or CAN trailer to the PSM control unit (parameterizable special module).
PSM 0460 Disruption of communication on the telematics CAN bus
PSM 1010 Internal error in the
PSM 1011 Faulty EEPROM
PSM 1012 Parameterization error in the
PSM 1013 Software not fully loaded.
PSM 1014 The control unit software is missing or incorrect.
PSM 1015 Checksum error in the control unit software
PSM 1016 An error has been detected in the control unit software.
PSM 1017 Software: Synchronization fault
PSM 1100 Terminal 30
PSM1101 Terminal 30 voltage too low
PSM 1102 Terminal 30 power failure
PSM 1200 Overvoltage at terminal 15
PSM 1201 Undervoltage at terminal 15
PSM 1210 Broken wire at terminal 15
PSM 2020 Output ‘Engine running, alternator OK’ (terminal X4 18/9) has a short to ground.
PSM 2021 The output ‘The engine is running, the generator is working’ (contact X4 18/9) has a short circuit to positive or an open circuit.
PSM 2120 Output ‘Retarder Disable’ (terminal X4 18/10) has a short to ground.
PSM 2121 Output ‘Retarder Disable’ (contact X4 18/10) has a short to positive or open circuit.
PSM 2220 Output ‘Clutch lock cylinder activation’ (terminal X4 18/11) has a short to ground.
PSM 2221 Output ‘Clutch lock cylinder activation’ (terminal X4 18/11) has a short to positive or open circuit.
PSM 2320 Output ‘Clutch valve activation’ (terminal X4 18/12) has a short to ground.
PSM 2321 Output ‘Clutch valve activation’ (terminal X4 18/12) has a short to positive or open circuit.
PSM 2420 Activation ‘Output’ (contact X4 18/13) has a short to ground.
PSM 2421 Activation ‘Output’ (contact X4 18/13) has a short to positive or open circuit.
PSM 2520 Output ‘Power take-off response’ (terminal X4 18/14) has a short to ground.
PSM 2521 Output ‘Power take-off response’ (terminal X4 18/14) has a short to positive or open circuit.
PSM 2620 Output ‘Neutral Position’ (contact X4 18/15) has a short to ground.
PSM 2621 Output ‘Neutral Position’ (contact X4 18/15) has a short to positive or open circuit.
PSM 2720 Output ‘Activation of the power take-off 1’ (terminal X4 18/16) has a short to ground.
PSM 2721 Output ‘Activation of the power take-off 1’ (contact X4 18/16) has a short to positive or open circuit.
PSM 2722 Missing response message of the power take-off 1 (contact X3 15/7) despite the activation of the power take-off 1 (contact X4 18/16)
PSM 2723 Missing activation of power take-off 1 (terminal X4 18/16) despite the response message of power take-off 1 (terminal X3 15/7)
PSM 2820 Output ‘Activation of power take-off 2’ (terminal X4 18/17) has short circuit to ground.
PSM 2821 Output ‘Activation of the power take-off 2’ (contact X4 18/17) has a short to positive or open circuit.
PSM 2822 Missing response message of power take-off 2 (contact X3 15/8) despite activation of power take-off 2 (contact X4 18/17)
PSM 2823 Missing activation of power take-off 2 (contact X4 18/17) despite response PTO message 2 (contact ХЗ 15/8)
PSM 2920 Output ‘Activation of the power take-off 3’ (contact X4 18/18,) has a short to ground.
PSM 2921 Output ‘Activation of the power take-off 3’ (contact X4 18/18) has a short to positive or open circuit.
PSM 2922 Missing response message of power take-off 3 (contact X3 15/9) despite activation of power take-off 2 (contact X4 18/18)
PSM 2923 Missing activation of power take-off 3 (contact X4 18/18) despite response PTO message (terminal X3 15/9)
PSM 3020 Output ‘Reverse gear engaged’ (terminal X4 18/9) has a short to ground.
PSM 3021 Output ‘Reverse gear engaged’ (contact X4 18/9) has a short to positive or open circuit.
PSM 3120 Output ‘Gear on (contact X4 18/10) has a short to ground.
PSM 3121 Output ‘Gear 1’ (contact X4 18/10) has a short to positive or open circuit.
PSM 3220 ‘Kickdown’ output (pin X4 18/11) has a short to ground.
PSM 3221 ‘Kickdown’ output (pin X4 18/11) has a short to positive or open circuit.
PSM 3320 Output ‘Parking brake’ (contact X4 18/12) has a short to ground.
PSM 3321 Output ‘Parking brake’ (contact X4 18/12) has a short to positive or open circuit.
PSM 3420 Output ‘ABS Fault’ (terminal X4 18/13) has a short to ground.
PSM 3421 Output ‘ABS Malfunction’ (pin X4 18/13) has a short to positive or open circuit.
PSM 3520 Output ‘Gear 2’ (contact X4 18/14) has a short to ground.
PSM 3521 Output ‘Gear 2’ (contact X4 18/14) has a short to positive or open circuit.
PSM 4020 Output X4 18/9 has a short to ground.
PSM 4021 Output X4 18/9 has a short to positive or open circuit.
PSM 4120 Output X4 18/10 has a short to ground.
PSM 4121 Output X4 18/10 has a short to positive or open circuit.
PSM 4220 Output X4 18/11 has a short to ground.
PSM 4221 Output X4 18/11 has a short to positive or open circuit.
PSM 4320 Output X4 18/12 has a short to ground.
PSM 4321 Output X4 18/12 has a short to positive or open circuit.
PSM 4420 Output X4 18/13 has a short to ground.
PSM 4421 Output X4 18/13 has a short to positive or open circuit.
PSM 4520 Output X4 18/14 has a short to ground.
PSM 4521 Output X4 18/14 has a short to positive or open circuit.
PSM 4620 Output X4 18/15 has a short to ground.
PSM 4621 Output X4 18/15 has a short to positive or open circuit.
PSM 4720 Output X4 18/16 has a short to ground.
PSM 4721 Output X4 18/16 has a short to positive or open circuit.
PSM 4820 Output X4 18/17 has a short to ground.
PSM 4821 Output X4 18/17 has a short to positive or open circuit.
PSM 4920 Output X4 18/18 has a short to ground.
PSM 4921 Output X4 18/18 has a short to positive or open circuit.
PSM 5020 Output ‘Engine speed signal’ (terminal X1 18/4) has a short to ground.
PSM 5021 Output ‘Engine speed signal’ (contact X1 18/4) has a short to positive or open circuit.
PSM 5120 Output ‘Speed​​signal’ (contact X1 18/5) has a short to ground.
PSM 5121 Output ‘Speed ​​signal contact X1 18/5) has a short to positive or open circuit.
PSM 5220 Output ‘Torque rated value signal’ (terminal X1 18/6) has a short circuit to ground.
PSM 5221 Output ‘Torque rated value signal’ (contact X1 18/6) has a short circuit to positive or an open circuit.
PSM 5320 Output ‘Load limit signal (contact X1 18/7) has a short to ground.
PSM 5321 Output ‘Limit signal -att. g-and contact X1 18/7) has a short circuit to positive or a short circuit.
PSM 5420 Output’Signal PWM1 conga—XI ? 3/8) has a short to ground.
PSM 5421 Output ‘PWM1 signal -s-_z~X1 18 8! has a short to positive or open circuit.
PSM 5520 Output ‘Signal PWM2 ks-_a-X1 ‘3 9 has a short to ground.
PSM 5521 Output’Signal PWM2 conga-X» ‘5 9 short circuit to positive or open circuit.
PSM 6040 act X1 18/11) has a short circuit to ground or an open circuit.
PSM 6041 The input signal of the sensor manual se-IMZ • X1 18/11) has a short circuit to positive.
PSM 6042 pma contact X1 18/10) has a short to ground.
PSM 6043 The power supply wire of the sensor with .-th ce
PSM 6140 Input ‘Motor Start1’ (contact X2 18/7) has a short to ground.
PSM 6141 Input ‘Engine start’ (contact X2 18/7) has a short to positive.
PSM 6240 Input ‘Engine stop’ (contact X2 18/8) has a short to ground.
PSM 6241 Input ‘Engine stop’ (contact X2 18/8) has a short to positive.
PSM 6340 Input ‘Start Interlock’ (contact X2 18/9) has a short to ground.
PSM 6341 Input ‘Start inhibit’ (contact X2 18/9) has a short to positive.
PSM 6440 Input ‘Plate switch’ (contact X2 18/13) has a short to ground.
PSM 6441 Input ‘Plate switch’ (contact X2 18/13) has a short circuit to positive.
PSM 6540 Input ‘Clutch remote control’ (contact X4 18/4) has a short to ground.
PSM 6541 Input ‘Clutch remote control’ (contact X4 18/4) has a short to positive.
PSM 6640 Input ‘ABS influence’ (terminal X4 18/4) has a short to ground.
PSM 6641 Input ‘ABS influence’ (contact X4 18/4) has a short to positive.
PSM 6740 Input ‘Reverse gear interrogation’ (contact X4 18/4) has a short to ground.
PSM 6741 Input ‘Reverse gear interrogation’ (contact X4 18/4) has a short to positive.
PSM 6840 Input ‘Shift into neutral’ (contact X4 18/4) has a short to ground.
PSM 6841 Input ‘Shift to neutral’ (contact X4 18/4) has a short to positive.
PSM 6940 Input ‘Retarder status’ (contact X4 18/5) has a short to ground.
PSM 6941 Input ‘Retarder status’ (contact X4 18/5) has a short to positive.
PSM 7040 Input ‘Parking brake’ (contact X4 18/5) has a short to ground.
PSM 7041 Input ‘Parking brake’ (contact X4 18/5) has a short to positive.
PSM 7440 Digital input X2 18/7 has a short to ground.
PSM 7441 Digital input X2 18/7 has a short to positive.
PSM 7540 Digital input X2 18/8 has a short to ground.
PSM 7541 Digital input X2 18/8 has a short to positive.
PSM 7640 Digital input X2 18/9 has a short to ground.
PSM 7641 Digital input X2 18/9 has a short to positive.
PSM 7740 Digital input X2 18/13 has a short to ground.
PSM 7741 Digital input X2 18/13 has a short to positive.
PSM 7840 Digital input X4 18/4 has a short to ground.
PSM 7841 Digital input X4 18/4 has a short to positive.
PSM 7940 Digital input X4 18/5 has a short to ground.
PSM 7941 Digital input X4 18/5 has a short to positive.
PSM 8080 The protection function for power take-offs has been manually overridden.