I was trying to help a friend out with his tpi car who lives in another state. He just experienced a code DTC - 53 System voltage too high. He replace his alternator and cleared the codes and no while driving for a while he gets a DTC -88 Internal reset of Electronic Control Module (ECM) and the car dies. I have never seen a code 88 on a 1227730 must be in the firmware. I assume the bad alternator voltage spikes killed the ecm? any thoughts on this
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