edc17cp14 2500rpm limit

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Sadas

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	edc17cp14 2500rpm limit « on: December 04, 2016, 03:19:03 PM »

Hi all,

I need to disable 2500rpm limit, which comes on the dash after some spirited driving. This limit comes with faults:

Oil Pressure Regulating Valve P164E - 001 - Electrical Malfunction
Oil Pressure Switch P164B - 001 - Malfunction - Intermittent

I've disabled those faults by changing fault class to 0. Those no longer show on ECU, but the limit still kicks in.

Any ideas how to get rid of it?


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vwaudiguy

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	Re: edc17cp14 2500rpm limit « Reply #1 on: December 04, 2016, 03:45:52 PM »

I guess I'll be the first to ask. What's up with your oil pressure/ warning system?


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prj

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	Re: edc17cp14 2500rpm limit « Reply #2 on: December 04, 2016, 11:45:04 PM »

Switch off the diagnosis not the fault display, but yeah - why are you trying to disable these?

Have you measured actual oil pressure? These faults come up together when the oil pressure is low at high RPM.


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turbojohan

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	edc17cp14 2500rpm limit « Reply #3 on: December 05, 2016, 07:48:50 AM »

Put fehlerklasse to 0 won't change anything accept from dtc Not sent to dtclist and MIL. You need to turn limp off from this dtc with abschaltmaske.

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Sadas

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	Re: edc17cp14 2500rpm limit « Reply #4 on: December 05, 2016, 04:51:56 PM »

the new engine is slightly different, and has no oil pressure regulator. So I need to adapt software and disable the diagnosis to prevent limp mode.

Quote from: turbojohan on December 05, 2016, 07:48:50 AM

Put fehlerklasse to 0 won't change anything accept from dtc Not sent to dtclist and MIL. You need to turn limp off from this dtc with abschaltmaske.

Turbojohan, I tried to change abschaltmaske from 00FF to 0000, but that did not help. Am I doing it wrong?


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turbojohan

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	Re: edc17cp14 2500rpm limit « Reply #5 on: December 06, 2016, 01:04:59 AM »

yes you do it wrong.
Look how it works and try again ;-)


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prj

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	Re: edc17cp14 2500rpm limit « Reply #6 on: December 06, 2016, 01:30:58 AM »

You need to set the MSB (bit, not byte) of the Abschaltmaske to always disable.


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