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Throttle problems

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Old Oct 13, 2021 | 07:45 PM
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Default Throttle problems
Hey guys any help is dearly appreciated I’m getting p1120 p1220 p1516 I know it’s a throttle problem just wondering where should I start thanks a lot to anyone willing to help
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Old Oct 13, 2021 | 08:48 PM
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I would look at the TPS wiring first…remove the connector and check for oxidation and pin fitment…a scan tool or better yet a scope where you can graph the 2 TPS voltages would help in the diagnosis !!
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Old Oct 13, 2021 | 09:02 PM
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Originally Posted by C5 Diag
I would look at the TPS wiring first…remove the connector and check for oxidation and pin fitment…a scan tool or better yet a scope where you can graph the 2 TPS voltages would help in the diagnosis !!
I check all is good I’m thinking because I’m in Michigan we had a lot of rain and a medium flood water might got in the TAC module
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Old Oct 13, 2021 | 09:14 PM
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That would have been an important thing to mention in your first post…you may have a water intrusion issue !!
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Old Oct 13, 2021 | 10:08 PM
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Originally Posted by C5 Diag
That would have been an important thing to mention in your first post…you may have a water intrusion issue !!
would that be water in the TAC Module I’ll check may be order a new one thanks so would it throw these codes
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Old Oct 25, 2021 | 05:51 PM
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Is there any update to your issue? i am having the exact same problem codes with my C5.
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Old Oct 25, 2021 | 06:25 PM
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Originally Posted by Intimidatorc5
Is there any update to your issue? i am having the exact same problem codes with my C5.
TAC module was bad I change the sensor first but TAC Module was wacked out
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Old Sep 18, 2022 | 09:37 PM
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Where did you get your TAC module from? and did it fully resolve your issue? I'm experiencing the same problem with my c5 ;/
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