Was bedeutet der Fehlercode ECM-U002187?

Diagnose und Fehlercodedefinition für ECM-U002187 (Volvo S60 (2011–), Volvo S80 (2007–), Volvo S80 (2007–)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-U002187 - Brake Pedal Switch Circuit. Bus Signal / Message Failures. Missing message

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

3 Modelle

S60 (2011–), S80 (2007–), V70 (2008–)

Modelle nach Baujahr und Motor anzeigen (9)

Was bedeutet der Fehlercode?

The code is set when the engine control module does not receive any message from the brake control module (BCM), that is when the communication between them stops. The cruise control then cannot be engaged.

Mögliche Ursachen

Open circuit in the communication cable
Communication cable shorted to ground
Communication cable shorted to voltage
Contact resistance or oxidation in the connections
Open circuit in the connections
Short circuit in the connections

Was Sie tun können

1Read the code with a diagnostic tool and see whether it is active or only stored
2The brake system is safety critical, so have a workshop check the brake control module if the fault remains
3Gently pull on the connectors to the brake control module and the engine control module and see whether the code or the cruise control is affected
4Use a multimeter to check that the communication cable between the brake control module and the engine control module has no break and no contact with ground or voltage
5After the battery has been disconnected, press the brake pedal for a few seconds with the engine running so that cruise control comes back

Symptome, die Sie bemerken können1

Cruise control does not engage

Was der Fehler beeinflussen kann1

Cruise control is disengaged for as long as the fault is active

Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.