9-3 Viggen Convertible (9400) L4-2.3L Turbo (B235) HO (2001)
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Before Changing A Control Module
Before Changing A Control Module
It is our experience that the majority of control modules returned to us for repair or replacement under warranty are in perfect working order. In these
cases, fitting a new control module has obviously not cured the fault. Therefore, go through all the following points carefully before changing the control
module:
1. Check the latest edition of TIS 2000 to see whether the problem can be solved with a control module software update (for control modules that can
be reprogrammed).
