Fault Table, DTC readout, Convenience Features control module (N57)
Socket -1: Black (ground)
Socket -2: Red (12V)
Socket 21: Yellow (CF output)
| DTC readout |
Possible cause |
| 1 |
No faults in system |
| 2 |
Closing circuit for left front power window motor (M10/3), control module |
| 3 |
Opening circuit for left front power window motor (M10/3), control module |
| 4 |
Closing circuit for right front power window motor (M10/4), control module |
| 5 |
Opening circuit for right front power window motor (M10/4), control module |
| 6 |
Closing circuit for left rear power window motor (M10/5), control module |
| 7 |
Opening circuit for left rear power window motor (M10/5), control module |
| 8 |
Closing circuit for right rear power window motor (M10/6), control module |
| 9 |
Opening circuit for right rear power window motor (M10/6), control module |
| 10 |
Switch for left front power window (S21/1); closing time exceeded |
| 11 |
Switch for left front power window (S21/1); opening time exceeded |
| 12 |
Switch for right front power window (S21/2); closing time exceeded |
| 13 |
Switch for right front power window (S21/2); opening time exceeded |
| 14 |
Left rear power window circuit (S21/3) and left rear power window switch, front console (S21/5): closing time exceeded |
| 15 |
Left rear power window circuit (S21/3) and left rear power window switch, front console (S21/5): opening time exceeded |
| 16 |
Right rear power window circuit (S21/4) and left rear power window switch, front console (S21/6): closing time exceeded |
| 17 |
Right rear power window circuit (S21/4) and left rear power window switch, front console (S21/6): opening time exceeded |
| 18 |
Circuit for left front lock switch (S86/1), right front (S87/1), trunk lid lock switch (S88/2): closing time exceeded |
| 19 |
Circuit for left front lock switch (S86/1), right front (S87/1), trunk lid lock switch (S88/2): opening time exceeded |
| 20 |
Left front power window switch (S2/1: short to ground or wires reversed |
| 21 |
Right front power window switch (S2/2: short to ground or wires reversed |
| 22 |
Left rear power window switch (S2/3 and left rear power window switch (front console S21/5): short to ground or wires reversed |
| 23 |
Right rear power window switch (S2/4 and right rear power window switch (front console S21/6): short to ground or wires reversed |
| 24 |
Left front power window motor circuit (M10/3): wiring or speed sensor |
| 25 |
Right front power window motor circuit (M10/4): wiring or speed sensor |
| 26 |
Left rear power window motor circuit (M10/5): wiring or speed sensor |
| 27 |
Right rear power window motor circuit (M10/6): wiring or speed sensor |
| 28 |
Left front power window motor circuit (M10/3): sensor wiring reversed |
| 29 |
Right rear power window motor circuit (M10/4): sensor wiring reversed |
| 30 |
Left rear power window motor circuit (M10/5): sensor wiring reversed |
| 31 |
Right rear power window motor circuit (M10/6): sensor wiring reversed |
| 32 |
Left front power window motor circuit (M10/3): speed sensor signal defective |
| 33 |
Right front power window motor circuit (M10/4): speed sensor signal defective |
| 34 |
Left rear power window motor circuit (M10/5): speed sensor signal defective |
| 35 |
Right rear power window motor circuit (M10/6): speed sensor signal defective |
| 36 |
Convenience control module (N57) defective |
| 37 |
Voltage too low (less than 9 volts) |
| 38 |
Sliding/pop-up roof switch circuit (S13/2): short, check wiring harness |
| 39 |
Voltage supply circuit 30 A, control module |
| 40 |
Voltage supply circuit 30 B, control module |
The vehicles convenience features, such as power windows, power door locks, sliding roof are all controlled via the
Convenience Features Module (CF), N57 as shown. It is located in the back of the car behind the rear seat. Access is
obtained by bottom seat and seat back removal. 
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