Our 96 T& C battery went dead got it checked said alternator was bad removed a bench test said it was good they replaced battery 2 day later had same problem they said it needed ecm because it has the voltage regulator in it ordered a rebuilt one still have the same problem ( is the ecm & pcm the same thing)
thanks
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Friday, February 26th, 2010 AT 10:53 AM
1 Reply
JACOBANDNICKOLAS
MECHANIC
109,709 POSTS
The PCM and ECM are different. And yes, the regulator is built into the ECM. If everything is new, then you should have them check the fuseable link between the alt and the battery.