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Home >> Chevrolet >> 2003 >> Monte Carlo LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 3.4L >> Self-Diagnostic System >> Powertrain Control Module Location
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Powertrain Control Module Location

On Alero & Grand Am, the PCM is located below the instrument panel, next to the Data Link Connector (DLC). On Impala & Monte Carlo, the PCM is located in Left side of the engine compartment, forward of the strut tower, inside the air filter box.

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