have Meriva 2005 z17dth. so story begings from that car was not starting and had problems to do diagnosis, found that IMMO module is failing is killing comunication line. Took other module from car readed tms370 to get pin code for it , then readed pin with Opcom from cluster in car , programmed new IMMO module car started and parked it. Next day came to assamble all plastics in interior and was not able to start it, immo failure that Wrong TP key. So then started my investigation about what can be wrong and how to solve. Tryed BCM, ICP reset and found that have problem with KW82 protocol when trying to diagnose cluster , found that problem come from HVAC module, so disconnected it and bypassed CAN lines. Then again tryed to reset ICP , BCM, ECU, IMMO, relearn all , but everything is passing OK until need to program transponder key, every time im receiving Wront TP key failure. Had one new immo chip prepaired for OPEL, also same error, bringed key from donor IMMO car , also every time receive that Wrong tp key failure. im thinking that can be that my Opcom is failing , but cant understand why first time i programmed new immo module all passed from first time with no issues, and that evening i restarted car few times, and only that after night something changed to it.
