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P0128 Fault code
#1
Hello all and thanks for reading this.
Daughters GTC has P0128 fault code and A/C off due to high temp with fan running on full speed & temp gauge on dash not moving above 50 degrees.
New thermostat fitted - (old one was passing a little when cold)
Symptoms the same.
Looked at the service manual pages - should I now be looking at replacing another sensor in the radiator?

Many thanks.
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#2
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[Image: Rusty-2_zpsuzrvgsp6.GIF]
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
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#3
(11:th-Jul-2017, 07:37:56)Rusty2009 Wrote: You are not allowed to view links. Register or Login to view.You are not allowed to view links. Register or Login to view.

Thanks for all help.
After a couple of journeys  with a new thermostat, the fault cleared. I did read somewhere that this my take a few drive cycles to resolve. Smile
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#4
Yes it can take up-to 50 cycles without the fault being present before it deletes it from the system.
[Image: Rusty-2_zpsuzrvgsp6.GIF]
Astra-J 2.0 CDTI S/S
Retrofitted AFL, TPMS, Navi950, BT, DAB, Rear Camera, Infinity sound system, Towbar, Flexfloor & more.
You are not allowed to view links. Register or Login to view.
I can do programming and retrofits using genuine GM MDI and Dealer software.
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