Location of ECM on 2004 Buick Rainier?

60

Asked by Dec 30, 2015 at 01:56 PM about the 2004 Buick Rainier CXL RWD

Question type: Maintenance & Repair

Codes are saying I need to replace the ECM, I've got it ordered, but the parts
place need the number off of the old one. I don't know where to look.

4 Answers

60

It's a 4.2 engine.

2 people found this helpful.
85,605

It is probably on the passenger side either behind the glove box or behind the kick panel. A silver metal box with some wires running to it.

2 people found this helpful.
80,385

It may also be under the air cleaner box in the engine compartment. HTH. -Jim

60

Found it, it's on the side of the engine, on driver's side. In case someone else needs the information.

4 people found this helpful.

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