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  #1  
Old 25th May 2019
60Gunner's Avatar
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Default DTC codes P0373, U1016

Today I noticed my speedo was dropping to 0 or partially dropping then bouncing back up. Doing this intermittently. Also noticed it running a little rougher once up to operating temp recently.
So I check my codes and sure enough. U1016 loss of serial data, vehicle speed, tssm... and P0373 CKP sensor intermittent.
So I pull the crank position sensor and clean the oil off it, clear both codes and drive it a block and the p0373 code is back. I replaced it last year suspecting an issue even tho I never had the code.
Could it bad all of a sudden with such few miles? Could these 2 codes have a common cause? Cuz here's another thing I noticed when pulling the #2 pin from the ICM connector to replace it with the white wire for the tc88a the other day. The wire below pin 2, the data link wire I think(light green with a stripe)has a good kink in it just behind the connector. I was quite careful with the pin 2 removal because of it in fact thinking the wire inside the insulation could very well be partially broke. Almost has to be by the looks of it but everything worked so I dismissed it but kept it in mind. Could/would this wire be the cause of either or both of these codes? But the ckp sensor has it's own 2 pins, + and - and the vss has one.
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Last edited by 60Gunner; 25th May 2019 at 02:57..
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  #2  
Old 25th May 2019
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Double check the battery connections, I ended up having to retighten mine after the first 100 mi. on that new battery I got.
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  #3  
Old 25th May 2019
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my speedo will come up in-op on start up occasionally !
The TC88A will throw a phantom P0373 !
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Quote:
Originally Posted by rocketmangb View Post
my speedo will come up in-op on start up occasionally !
The TC88A will throw a phantom P0373 !
Well that's good to know!!! Shoulda known when it came back immediately on a cooled down motor.

I'll double check my ground cable toejam.
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  #5  
Old 25th May 2019
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TC88A send code, don't worry.
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