Heater controls not working properly

DACMZB

MEMBER
2000 JAGUAR VANDEN PLAS
4.0L
V8
2WD
AUTOMATIC
216,000 MILES

A/C works awesome, but the controls to turn heat up and down are not working along with feet and feet/defrost buttons. Was working perfectly fine then one day I get in and it's stuck at 61°. It also comes up 17°c Every time I turn it on. The auto button also only puts on A/C.

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
48,356 POSTS

Hello,

This is common when the air conditioner control module goes out. Here are the instruction on how to change it in the diagrams below. I new unit is $1,300.00 so I would try to find a used unit.

A.T.C. Components, Electronic Control Module LNC7600AF
$1,320.00
Due To The Various Types Used And The Not Available Status Of Many Of The Items, Consult Your Local Source Of Supply For Correct Parts & Prices.

Check out the diagrams (below). Please let us know what happens.

Images (Click to make bigger)

Heater controls not working properly

1 Reply

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