No Heat - right side V70 2007 CCM-DD22 LIN BUS 2

[BROOKLYN850]

I have no heat on passenger side - blower is operational with cold air . Ran VIDA got CCM-DD2 LIN-bus2 Incorrect check sum.

Installed an exact model CCM used. No change.

Moved on to Damper motor modules , I gathered that it was the temperature module. I got a used part exact # 30676510 TR - popped it in (sounds easy LOL) . Not a fix. Same issue : no heat.

Any ideas of how to proceed next ?

Note : i no longer have my VIDA laptop - working on getting a new one.

[vtl]

After replacing any damper motor you need to run identification, then calibration.