C5 x7 Diabox fault p2566

This is the Forum for all your Citroen Technical Questions, Problems or Advice.
saulius1257
Posts: 3
Joined: 12 Nov 2021, 14:51

C5 x7 Diabox fault p2566

Unread post by saulius1257 »

Hello,
I recently ran my Diabox on my Citroen C5 x7 2010 2l, 120kw and found this fault. P2566 variable resistance turbocharger. Where I should look for the problem?
Attachments
IMG_20220622_182545__01.jpg
User avatar
GiveMeABreak
(Donor 2016)
Posts: 41989
Joined: 15 Sep 2015, 19:38
x 6956

Re: C5 x7 Diabox fault p2566

Unread post by GiveMeABreak »

Hi and welcome. So this is for the DW10CTED4 163 engine.

Here's the fault code detail for you.
Fault Code: P2566
Description of Fault: Variable geometry turbocharger: Excessive drift on the last initialisations of the upper stop. Condition for appearance: Just after the initialisation of the upper stop.
  • Drift less than -0,5 V or greater than 0,5 V in the initialisation of the variable geometry turbocharger upper limit relative to the first initialisation.
  • Drift less than -0,3 V or greater than 0,3 V in the initialisation of the variable geometry turbocharger upper limit, relative to the last initialisation the previous time the network (powerlatch) went to sleep.
  • The fault immediately appears
Conditions for Fault to clear: 3 successive starts, allowing time for the network to go to sleep (Power latch)
Downgrade Modes whilst Fault is active: None
Symptoms:
  • Lack of power
  • No effects immediately perceptible to the customer
Suspect Areas:
  • Turbocharger: The variable geometry of the turbocharger is locked
  • Turbocharger electrovalve
  • Position indicator of the turbocharger
  • Electrical harnesses
  • Vacuum circuit
Please note, I'm no longer active on the Forum, so won't respond to messages.

Marc