Here is another review on Opel/Vauxhall HPCM2 module programming to get rid of the SHVCS errors.
Credit to Mr. Parsons from SpeakEV forum.
Problem:
It’s a Opel Ampera 2012 1.4L. Got P0AA6, P1F0E (insulation) P1FFF (both for level and insulation) fault codes.
Using GDS2 if you have the loss of isolation this is what you should see in GDS2 using the vxdiag vcx nano gm scanner, note you will be able to clear all of these except for P1FFF as on a 2012 this is latched unless you have a failed coolant sensor.
Solution:
Reflashing HPCM2 will remove the P1FFF error but in order to lower the chances of it re-appearing you need to reflash BECM as well.
The user was able to reprogram the HPCM2 in about 20 mins using VXDIAG GM J2534 and PSA Service Box.
Check how to set up PSA Service Box with VXDIAG and program HPCM2 module.
Once you have the active subscription you can select it Opel / Vauxhall Legacy , it has a habit of sending you back to the login page after payment but your purchase is still listed
and can be listed below.
As soon as you press the Blue SPS button the countdown timer will start.
Selecting the SPS launches the Tech2Win.
Launch the Tis2Web which will launch Java and start the downloads and software installer this will take around 10 mins or so on a fast internet connection , you will need to approve
multiple installs , it may error and say no admin permissions however complete the install.
Service box install and launch.
Once the install is complete this is the last step.
SPS after Launch.
Select VXDIAG.
note at this time the car will go a bit funky and trigger theft deterrent system and a powerdown noise select the K114B HPC Module 2
Do not touch the car or laptop until the process above completes , it will give the option of clearing DTC’s at the end.
If your reprogramming the BECM as well you need to follow the guide linked above and below
Reprogram Opel ECU with VXDIAG and SPS via PSA Service Box – VXdiagshop.com
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