Fault code P15a4

[Twinny1970]

HI
Just recently bought a Citroen c4 bluehdi 1.6 flair 2 weeks ago. 4 hours after buying the vehicle the engine management light came on so I called the AA. Diagnostic reports read, p15A4 engine oil pressure control open curcuit. Light is now off and hasn't come back on again. Anyone had a similar problem? The car is currently at a auto electrician because the mechanic said its a electrical problem. Oil pressure test has been done and its fine.
Thanks

[Adrian 87]

Hi
I have same problem
Did you find what od wrong

[Paul-R]

Twinny hasn't been back to the site since September 21st 2020, four days after he made the post, so you will be lucky to get him/her to reply. The fact that there was response suggests to me that nobody had suffered the same problem at that time.

Have you had your car read by a diagnostic tool? A high end code reader or, preferably, Diagbox will be needed. If you have any codes please post them here together with your VIN. The VIN will be auto-masked by the forum software.

[Adrian 87]

Vin:
VF7**************[VIN obfuscated, can be read by forum staff]
And Its also 3 code
P15A4 00
P2452 64
P2002 00

[GiveMeABreak]

Fault P15A4 generally means a software update is required if it won't clear.
P2452 64 is an issue with the Particle filter differential pressure: Plausibility fault.
P2002 00 is a fault that is basically saying the particle filter has been detected as absent! It can also mean that there may be water or ice on the particle filter pressure pipes, so some inspection / drying of these is necessary as they may be causing this fault to trigger.