The PCM (Powertrain Control Module) relay on a 2005 Chevy Cobalt is located in the under-hood fuse box. To access it, open the hood and find the fuse box near the battery. The relay is typically labeled on the cover of the fuse box, and you may need to consult the owner's manual for its specific position within the box.
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Cruise control is controlled by the PCM on all Cobalts regardless of automatic or manual, which communicates with the BCM which controls automatic transmissions. if there is a problem, it is either the button, the wiring, or the PCM itself, or the BCM controlling the transmission
radiator coolant switch, pcm coolant switch, relay , pcm , related circuitry or fuse.
To replace the PCM (Powertrain Control Module) on a 2007 Chevy Cobalt, first disconnect the negative battery cable to ensure safety. Remove the PCM by locating it, usually found near the engine bay or under the dashboard, and disconnect the wiring harness and mounting bolts. Install the new PCM by connecting the wiring harness and securing it with the bolts. Finally, reconnect the negative battery cable and ensure the vehicle's computer is reprogrammed with the correct software if necessary.
PCM means Powertrain Control Module A relay is a low voltage switch
Power Control Module
The ASD is a relay controlled by the PCM and does not have a reset.The ASD is a relay controlled by the PCM and does not have a reset.
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A fuel pump relay is just that,a relay that runs the electric fuel pump on your vehicle. PCM stands for powertrain contol module,it is the center for contoling the proper operation of fuel delivery,engine timing etc. The fuel pump relay and pcm relay are not the same.
The Electronic Control Module (ECM)/ Powertrain Control Module (PCM) is located inside the passenger compartment under the dashboard behind the relay panel. Remove the lower trim panel under the glovebox for access to the relay panel and the ECM/PCM.