Response and Diagnostic Trouble Code (DTC) tables
NOTE:
Switch off ignition when connecting and disconnecting connector. Otherwise the control module could be damaged.
Confirmation of component activation (MODE 2)
| Response code | Response text |
| 1-1-3 | Checking ON/OFF selector switch, brake and clutch valves |
| 1-2-3 | Checking RESUME switch |
| 1-3-1 | Checking SET+ switch |
| 2-1-3 | Checking SET- switch |
| 1-3-2 | Checking the brake light switch |
| 2-2-3 | Checking Park/Neutral Position switch (PNP) (automatic transmission) |
| 3-1-1 | Multiple simultaneous signals |
Diagnostic Trouble Codes (DTCs)
| DTC | Fault message |
| 1-1-2 | Illegal vehicle speed signal |
| 1-2-2 | Vehicle speed has not exceeded 35 km/h (22 mph) or no vehicle speed signal |
| 2-1-1 | Internal fault in control module |
| 2-1-2 | Fault in vacuum pump or regulator circuit |
Read input and output signals (MODE 5)
| Response code | Response text |
| 1-1-4 | Safety disengagement |
| 1-4-1 | Startinhibitor |
| 4-1-1 | Switch, brake or clutch |
| 1-2-4 | Brake light |
| 2-1-4 | Supply / not connected |