my a/c blows only cold air .

2000 JAGUAR S-TYPE
135,000 MILES
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TERRAPHARMA
  • MEMBER
  • 1 POST
Not getting any heat . Dccv fuse is good . My Tec says dccv valve tested OK, wiring to hvac module OK ,found bulletin for hvac module update . Tec says update required . So before driving to the Jaguar dealer , I read this tsb and (# jtb00103) notice the subject: a/c unable to lower outlet temperature . This is the opposite of the problem I am experiencing . The question then remains , what is the real problem ? Would I be wasting a lot of diagnostic time looking into that tsb ? Anyone had this situation crop up?
Nov 8, 2011 at 5:39 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the air blend door could be stuck in the heat position
Nov 8, 2011 at 5:52 PM
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