Check fault codes and record check vin numbers are correct
Install new ecu and connect power supply
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Symptom:
The vehicle came in with the check engine light and the vehicle had no power so the vehicle was in power limiting mode.
Read MoreSecurity lockout active, vehicle data mismatch
Here’s what you have to do, this is when radio is the same Read More

known as Astra G- these vehicles come from 99 to 2005
Z18xe- Simtec71
Variants
- there are 2 main variants z18xe with simtec 71 and a newer version called simtec 71.1
- after 2003 the fan controller is different, use your Vin and program with GDS to update is the ecu version is wrong, there is no CAN setting for this and you will not find it in the Tech2 or tech2win,