It is possible that the alternator caused damage to the PCM. Best to have diagnostics done on the car to see if and where the problems are.
Yes , the PCM is the voltage regulator.
The PCM (engine computer) is the regulator.
You can change the PCM yourself, however the PCM needs to be programmed by a dealership service tech.
The PCM is responsible for controlling all of the engine's functions. ie: spark, fuel, cruise, alternator, a/c ....
check your fuses if they are good the voltage regulator is in the pcm eng computer
depending on the vehicle model it can relate to the pcm or tcm
bad pcm regulator
PCM internal processor failure.PCM internal processor failure.
Driver side of the engine block.
Trouble code P1693 means: A companion DTC was set in both the ECM and PCM
On all modern vehicles the voltage regulator is either part of the alternator or part of the PCM.
You have to find the cause of the charging system malfunction. It could be the alternator, wiring, or PCM.