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Chevrolet Master
2,993 Answers
- Posted on Nov 30, 2011
Re: Where is the pcm located on a 2003 chevy trailblazer
5.3L Engine
The Powertrain Control Module (PCM) is located on the left front frame rail.
4.2L Engine
The Powertrain Control Module (PCM) is located in the engine compartment. It is mounted on the left side of the engine.
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