TCM (cars with Trionic T7 engine management system)
WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
TCM MESSAGE TRANSMITTING
| TCM transmits | Values | Used by | The value depends on the following sensor input, signal or function |
|---|---|---|---|
| Selector lever Position | P, R, N, D, 3, 2, 1 | MIU, Trionic, TC/ABS | Selector lever position sensor. |
| CHECK GEARBOX Lamp | ON/OFF | MIU | Internal diagnosis |
| SPORT | ON/OFF | MIU, Trionic | The button and oil temperature sensor and not limp-home or WINTER |
| WINTER Lamp | ON/OFF | MIU | The button and oil temperature sensor and not limp-home |
| Maximum Permitted Engine Torque | N.m | Trionic | Shift function |
| Text message | Text information | SID | Oil temperature |
| Diagnostics communication | Answer to enquiry from diagnostics instrument | DICE/diagnostic tool | Control module should be live and the bus leads intact |