Coolant Temp Sensors

[silvdur]

Does the 2007.5 have two CTS?
One for the ECM
Anoter for the dash gauge??
Where are there specific locations??
Thank You

[rapidoxidationman]

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[Kennedy]

The modern engines send the ECT signal to the ECM which in turn drives the dash gauge.

[More Power]

If there's a doubt about gauge accuracy or function, a Tech II scan tool or other can be used to verify.

[silvdur]

I checked the ECM CTS reading indicates 185, dash indicates 210. If I understand you correctly there is no sender to just drive the dash gauge? There are two senders just to the left of the thermostat housing/ pass. Side.

[silvdur]

I pulled the front sensor wire. No ECT or dash reading of gauge. It gave me codes of: P0118 & P0401
I was going to pu the rear wire but truck was to hot to get my hand in there...
Please describe the function of the front / rear sensor,
Thank you
Any other way to get dash gauge to reference ECM temp without adjusting gauge needle?
I was hoping to replace a sensor ......