| Code | Meaning |
| 01 | Front Right Sensor Open Circuit |
| 02 | Front Left Sensor Open Circuit |
| 03 | Rear Sensor Open Circuit |
| 05 | Front Right Sensor Short Circuit |
| 06 | Front Left Sensor Short Circuit |
| 07 | Rear Sensor Short Circuit |
| 11 | Actuator Front Right Inlet Solenoid Valve Open Circuit |
| 12 | Actuator Front Left Inlet Solenoid Valve Open Circuit |
| 13 | Actuator Rear Inlet Solenoid Valve Open Circuit |
| 15 | Actuator Front Right Outlet Solenoid Valve Open Circuit |
| 16 | Actuator Front Left Outlet Solenoid Valve Open Circuit |
| 17 | Actuator Rear Outlet Solenoid Valve Open Circuit |
| 21 | Actuator Front Right Inlet Solenoid Valve Short Circuit |
| 22 | Actuator Front Left Inlet Solenoid Valve Short Circuit |
| 23 | Actuator Rear Inlet Solenoid Valve Short Circuit |
| 25 | Actuator Front Right Outlet Solenoid Valve Short Circuit |
| 26 | Actuator Front Left Outlet Solenoid Valve Short Circuit |
| 27 | Actuator Rear Outlet Solenoid Valve Short Circuit |
| 41 | Solenoid Valve Relay Circuit (unable to turn off) |
| 42 | Solenoid Valve Relay Circuit (unable to turn on) |
| 43 | Actuator Motor or Motor Relay (unable to turn off) |
| 44 | Actuator Motor or Motor Relay (unable to turn on) |
| 47 | Power Suppy (high voltage) |
| 48 | Power Suppy (low voltage) |
| 45, 46, 77, LED always off, LED always on | Control unit ground |
| Warning Lamp never lights at ignition on | Fuse, warning light, control unit power |