engine control module

20

Asked by Mar 19, 2016 at 09:47 AM about the 2003 Lexus LS 430 Base

Question type: Maintenance & Repair

Does a replacement ecm require programming before installation?

6 Answers

20

Usually does..depends on the yer also..if your car brings (immo)...anti theft...if you replace your ecu even with matching numbers you still have to get it reprogrammed..unless you find ECU with deleted immo

1 of 1 people found this helpful.
20

Does the Lexus dealer have to reprogram the ecm? Or can third party shops do this?

2 of 2 people found this helpful.
20

You can but it might be more pricey...my ecu burnt up..i bought used one with immo...3rd party were charging me almost $300...to get repro...dealer..$117...ended up sending ecu back and changed for one with immo delete...

20

So are you saying no programming is necessary without the immobilization?

20

Yes...it doenst require repro...if ecu has immo...it requires repro...

1 of 1 people found this helpful.

How would you know if your car has the immo feature?

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