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P0034 and P0245 error code

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Old Feb 17, 2023 | 08:24 AM
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Default P0034 and P0245 error code

Anybody troubleshoot a P0245 solonoid A wastegate low and P0034 bypass valve control circuit code before? I have a turbo smart supersonic bov installed with dummy resister connector. Im thinking that’s tripping the 0034 code. But the 0245 has me stumped. I tested my turbo wastegates with a vacuum pump and they seem to be actuating. However. I’m not getting the correct amount of vacuum when I hook it up to my MAP sensor port where the vacuum line taps off for the BOV. I recently just tuned the truck back to stock and I have to say the performance of acceleration seems very responsive except my BOv is still releasing air to the atmosphere on lower gears while I’m accelerating. I just invested in two new turbos and all the parts except the dang exhaust down pipe studs that are in indefinite back order. And I really don’t want to replace two turbos if I don’t have to. Oh yeah. My shutters on the grill seem to be inoperable and I think my AC is blowing warm air now. Didn’t notice because it’s winter here in Michigan but I read someone had issues with AC with similar symptoms I’m having Oh and my gas mileage on the hwy is the best I’ve had. 25 at one point over a 3 day period. That’s why I’m baffled.

2016 F150 4x4 XLT 2.7 eco boost.

update. So I used my tuner to get error codes and it’s showing two different codes than the innova scanner I used. Now it’s some engine oil pressure control circuit low P06DB and coolant pump A control circuit low. P2602. WTH?


Last edited by Jp5; Feb 19, 2023 at 10:20 AM. Reason: Update
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Old Nov 8, 2023 | 01:06 PM
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Originally Posted by Jp5
Anybody troubleshoot a P0245 solonoid A wastegate low and P0034 bypass valve control circuit code before? I have a turbo smart supersonic bov installed with dummy resister connector. Im thinking that’s tripping the 0034 code. But the 0245 has me stumped. I tested my turbo wastegates with a vacuum pump and they seem to be actuating. However. I’m not getting the correct amount of vacuum when I hook it up to my MAP sensor port where the vacuum line taps off for the BOV. I recently just tuned the truck back to stock and I have to say the performance of acceleration seems very responsive except my BOv is still releasing air to the atmosphere on lower gears while I’m accelerating. I just invested in two new turbos and all the parts except the dang exhaust down pipe studs that are in indefinite back order. And I really don’t want to replace two turbos if I don’t have to. Oh yeah. My shutters on the grill seem to be inoperable and I think my AC is blowing warm air now. Didn’t notice because it’s winter here in Michigan but I read someone had issues with AC with similar symptoms I’m having Oh and my gas mileage on the hwy is the best I’ve had. 25 at one point over a 3 day period. That’s why I’m baffled.

2016 F150 4x4 XLT 2.7 eco boost.

update. So I used my tuner to get error codes and it’s showing two different codes than the innova scanner I used. Now it’s some engine oil pressure control circuit low P06DB and coolant pump A control circuit low. P2602. WTH?

I have the same codes. Did you figure your codes out?
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Old Nov 8, 2023 | 01:07 PM
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i have the same codes. Did you figure your stuff out
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Old Nov 8, 2023 | 02:22 PM
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Default Fixed!!

Originally Posted by hus1
I have the same codes. Did you figure your codes out?

yes. So all the other electrical codes for fan and ac was due to a blown fuse called vehicle power 2. The other codes were fixed by spraying intake valve turbo blade cleaner directly into the intake manifold via the vacuum line on top. No more codes and truck is back to normal. I almost replaced my turbos because of this nonsense.
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Old Nov 8, 2023 | 03:38 PM
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Originally Posted by Jp5
yes. So all the other electrical codes for fan and ac was due to a blown fuse called vehicle power 2. The other codes were fixed by spraying intake valve turbo blade cleaner directly into the intake manifold via the vacuum line on top. No more codes and truck is back to normal. I almost replaced my turbos because of this nonsense.
where is the fuse located. And which one of the intake vacume lines. Thank you
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Old Nov 8, 2023 | 03:39 PM
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Where is the fuse located and size of the fuse and which one of the vacume lines did you spray from
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Old Nov 8, 2023 | 03:50 PM
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I found the fuse. Please let me know where to find the turbo blade cleaner
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Old Nov 8, 2023 | 03:51 PM
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Fuse is good. Not sure to go from here
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Old Nov 8, 2023 | 07:01 PM
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Default Codes

Originally Posted by hus1
Fuse is good. Not sure to go from here
cleaner you can get at auto zone. Vac line is the map sensor on top of intake. With engine running I sprayed cleaner into the port. After a few starts check engine should go away.
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Old Mar 9, 2024 | 06:44 PM
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Default Alpha Rex Headlights cause this code.

So I installed Alpha Rex headlights, they recommend to wire into number 10 fuse, or number 36 fuse, and assuming number 36 fuse was just some sort of a random power. I went into that fuse, and had all of these issues come up. All I did was just wire in to fuse number 10 and my headlights worked and cleared the codes, and the codes went away.
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