Got it figured out - separated wire at the throttle module connector - broke about .5" away from the plug, temporarily resoldered, new plug on the way.

Thanks for the assistance.

Hey All:

Long time lurker, first time poster. My 2008 S40 has been plagued recently with multiple ECM Codes via vida:

ECM-91AC - Throttle Valve - Faulty Signal
ECM-9918 - Throttle Valve - Faulty Signal
ECM-9A0A - Vehicle Beaviour - Behaviour 4

(This also leads to reduced engine performance ...