P1105 - Map/baro? OR Tranny issue?
#1
P1105 - Map/baro? OR Tranny issue?
Got a P1105 - "undefined" according to my reader. Some posts here say it's a problem with the Map/Baro sensor... The STICKY post here says it's a third gear tranny issue. Any insight on that? What does this code mean?
EDIT: The Sticky post has 0105 for Map/Baro, and 1105 as a code for the tranny, but lots of posts here indicate 1105 for Map/Baro. After some endless searching and reading, I'm fairly confident that the 0105 would be the MAP sensor and the 1105 is the MAP/BARO. Not sure why the STICKY post has it wrong.
I found the MAP/BARO and everything looks to be properly hooked up. I did just have the upper intake manifold off for a VC gasket replacement... if anyone knows of something that might cause that job to throw a ghost 1105 I'd be interested. I was very careful with labeling and making sure everything went back in the right place... I think :-)
EDIT: The Sticky post has 0105 for Map/Baro, and 1105 as a code for the tranny, but lots of posts here indicate 1105 for Map/Baro. After some endless searching and reading, I'm fairly confident that the 0105 would be the MAP sensor and the 1105 is the MAP/BARO. Not sure why the STICKY post has it wrong.
I found the MAP/BARO and everything looks to be properly hooked up. I did just have the upper intake manifold off for a VC gasket replacement... if anyone knows of something that might cause that job to throw a ghost 1105 I'd be interested. I was very careful with labeling and making sure everything went back in the right place... I think :-)
Last edited by BobMax; 08-06-2016 at 05:02 PM.
#2
Solved
Seems I did miss hooking up one vac line under the TB. All set now. Decided that it had to be something related to my UIM / VC job... and there is was, hiding under the TB, with my label still on it for where it belonged.
For future reference, if you get these codes, here are two videos that go through testing them in detail:
P1105 - MAP/Baro switch:
P0105- MAP Pressure sensor:
For future reference, if you get these codes, here are two videos that go through testing them in detail:
P1105 - MAP/Baro switch:
P0105- MAP Pressure sensor:
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