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A/C Only Heats Unless Set to "LOW" temperature?

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Old 04-21-2012, 11:23 PM
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A/C Only Heats Unless Set to "LOW" temperature?
It's been a while since I had to post something wrong about my S-Class at 83K miles right, but the title of the thread simply says it all. As usual, I did look in stickies and tried to search, but came up with no result? Anyone know what I can do as of right now?
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Old 04-22-2012, 06:42 PM
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I guess there aren't any suggestions?
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Old 04-22-2012, 06:45 PM
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W220 M113K
sorry have no clue
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Old 04-29-2012, 12:10 AM
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Okay so I checked some values as requested by a BenzWorld member along as check for any errors and I got:

Okay so here's what I got:

Cold engine - engine off

NR00 – 24C
NR01- 0C
NR02 – 14.5C
NR03 – 27.5C
NR04 – 27.2C
NR05 – 27.1C
NR06 – 16C
NR07 – 4.3bar
NR08 – 15.5C
NR09 – 2.5K
NR10 – 1.3V

Diagnosis KLA V Error 1455

so is it...

B1455 Defroster Vent Flap Left (#7) Actuator Motor (M16/13)?
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Old 04-30-2012, 12:17 AM
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I would look at the flap/blend motors and doors, and the duovalve.

Bruce
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