9-3 SE Hatchback (9400) L4-2.0L Turbo (B205) HO (2000)
Before Changing A Control Module
1. Check all grounding points and the power supply to the control module.
2. Using the diagnostic tool, check that all readings are reasonable.
3. Using the diagnostic tool, check that all activations function.
4. If the fault persists, the control module must be replaced.
5. When handling the control module, it is important to ground yourself by touching the engine for example. Avoid touching the pins of the control
module.
YES -
The steps taken to rectify the fault were correct.
Display Not Functioning/Functioning Partly
Display not functioning/functioning partly
Fault symptoms
Display not functioning/functioning partly.
Diagnostic help
Check light bulbs
See fault diagnosis, Bus and diagnostic communication.
See Powertrain Management/Computers and Control Systems/Information Bus