Marelli 4HV Need help to DTC remove

[Martin81]

Hello Marelli specialists,
I have a problem with Marelli 4HV.
I need DTC removal!
P1857 P1639 P1631 P1155 must be switched off.
I've already searched with winols, but I'm not sure where to find the dtcs...
Can someone help me ??

[Pavel87]

Hello Marelli specialists,
I have a problem with Marelli 4HV.
I need DTC removal!
P1857 P1639 P1631 P1155 must be switched off.
I've already searched with winols, but I'm not sure where to find the dtcs...
Can someone help me ??

Its not safe delete thees codes, especialy P1639 P1631. If you cant fint a problem it is better send customer to another garage.
Probably there is wirings faulty or water in the ecu...

[Martin81]

Problem is solved :proud:

[Martin81]

Its not safe delete thees codes, especialy P1639 P1631. If you cant fint a problem it is better send customer to another garage.
Probably there is wirings faulty or water in the ecu...

The car is a Seat ibiza and has been to 3 different Seat dealerships.
The ECU, accelerator pedal and throttle body have been replaced! Wiring harness has been checked.. Ground connections have been checked....
The car drives perfectly normal, but every few weeks these faults appear briefly...