Co oznacza kod błędu ECM-P250287?

Diagnostyka i definicja kodu błędu dla ECM-P250287 (Volvo S60 (2011–), Volvo S80 (2007–), Volvo S80 (2007–)). Zamów naprawę w OBD Tuning.

VOLVO

ECM-P250287 - Charging System Voltage. Bus Signal / Message Failures. Missing message

Układ

Sterownik silnika (ECM)

Modele Volvo, których dotyczy ten kod błędu

Dotyczy następujących modeli:

3 modele

S60 (2011–), S80 (2007–), V70 (2008–)

Pokaż modele wg rocznika i silnika (9)

Co oznacza ten kod błędu?

Two control units, the ECM and the alternator control module (ACM, the charge regulator), talk over a LIN wire. The code is stored when the engine control module detects interference in that communication. The fault may lie in the wiring, in the connectors or in either of the control modules.

Możliwe przyczyny

Contact resistance or oxidation in the connections
Short-circuit between the LIN wires
Open circuit in one of the LIN wires
Internal fault in another control module on the same part of the LIN network
Damaged alternator control module (ACM, charge regulator)
A generator whose charge regulator is not made for LIN communication has been fitted

Co możesz zrobić

1If the generator has been replaced, check that it is intended for LIN communication, since a generator of the wrong type can cause this code
2Inspect the plug on the ACM for contact resistance and oxidation; clean and remedy it if needed
3Check the LIN wire for chafing. Use a multimeter to check that it has no open circuit and is not short-circuited to ground or plus
4If the fault remains after these checks, have a workshop try a new alternator control module

Objawy, które możesz zauważyć1

The "Generator not charging" warning lamp lights with the engine running

Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.