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Powertrain Control Module: Notes

NOTE: Components are grouped into 2 categories. The first category covers INPUT DEVICES  , which control or produce voltage signals monitored by the PCM. The second category covers OUTPUT SIGNALS  , which are components controlled by the PCM.

On Alero & Grand Am, the Powertrain Control Module (PCM) is located is located behind left kickpanel. On Impala & Monte Carlo, the PCM is located on shelf, to left of right front strut tower. See COMPONENT LOCATIONS in SELF-DIAGNOSTICS - 3.4L ALERO, GRAND AM, IMPALA & MONTE CARLO article.

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