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8 Posts
Discussion Starter #1
Hi Guys, I pulled some codes from my climate control. My heat stopped working and it has been freezing the last couple of days so I need to fix this asap. I really appreciate any help.

1-46
2-46
3-60
4-60
5-55
6-121
7-03
8-46

Error Codes: 1422, 1234
 

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1999 E300 TD
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2,045 Posts
What do you mean heat stopped working----blower ---cold air----vents???

PS: the 1422 is a faulty serial line between the cluster and AC controller---that's why the data defaults to C. The 1234 is a faulty sun sensor which impacts the fan speed.

Stay warm
 

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2001 SLK 320(217K Miles), 2002 E320 Special Edition(183K Miles)
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3,467 Posts
Duovalve stuck in closed position??
 

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2001 SLK 320(217K Miles), 2002 E320 Special Edition(183K Miles)
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3,467 Posts
If data was reported in C then field 1,2 would suggest that OP resides in Furnace Creek, CA.:)
And he's still cold. :D I would hate to see when he feels hot. :D
 

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Discussion Starter #7
RE:

Sorry for the late response Christmas shopping has been killing me. The blower is not turning on or blowing any air through the vents.
 

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E320/E250 Bluetec Ford F350 6.7l
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36,717 Posts
Try to clear the codes. Those things work in mysterious way. My friend come with AC not working. I had compressor to engage just by entering the code mode.
 
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