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Vw jetta heat is always on.

I have a 2001 VW Jetta GL (automatic, 2.0l). The heat is always on, even with temp turned low and AC on. Blower fan works fine. The engine temp gauge says no overheating. I occasionally get the fault p1296 which I believe is a engine coolant fault. I do not know how flow is controlled to the heater core, but I suspect a control module malfunction. Do you think flushing the system might help? Any suggestions?

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Posted on Jan 02, 2017

  • 978 Answers

SOURCE: 2003 VW JETTA TDI TEMP GAUGE WAS GOING UP TO

it is more than likely airlocked bleed air from system or open heater core pipe make sure heater core is full

Posted on Mar 26, 2010

  • 271 Answers

SOURCE: 2003 VW JETTA TDI TEMP GAUGE WAS GOING UP TO

Bleed the coolant system.

Posted on May 16, 2010

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Your turn, Rate this response a 'FixYa'

Thanks
Mike

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