Quote:
Originally Posted by SRTengineers
The engine controller puts rpm on the bus. ABS puts vehicle speed on the bus. Trans module uses this data, along with internal trans sensors, to shift according to a pre-defined schedule (with a slight amount of vehicle-to-vehicle adaptive learning included). The tach value you see in the cluster is pulled from the bus (same signal the TCM uses) but filters the signal so you won't see annoying dither. Because the GC can accelerate so fast in first, usually from an idle launch, the tach has the furthest to travel and the dampening effect is more pronounced. Do you notice more dampening when cold? There is an oil filling in the cluster that provides a mechanical dampening effect (in addition to the digital filter).
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If you mean cold as in operating Temp. I have never ran it up when it's cold ( O.T. ). As far as the outside Temp. I haven't owned it when the Outside Temp. has been warm, purchased in late Nov. Something that might be relevant to this problem. Things that are controled by a Computer, don't know which one, keep going goofy. Examples: Wipers turn on when the windshield is dry and the Sun is out, Headlights come on and stay on in bright daylight, Auto headlight dimmer sort of works when it feels like it but when they stop working the switch has to be reset, Wipers don't come on when the Windshield is so wet you can't see through it, this is most of the time, when the engine is at idle it will shut down not a complete stall but all most then regain it's RPMs and be allright, the drivers side window in Auto Mode will go up and than back down this may happen 3 or4 times then it's allright.
Jack