Was bedeutet der Fehlercode TCM-P073179?

Diagnose und Fehlercodedefinition für TCM-P073179 (Volvo S60 (2011–), Volvo S80 (2007–), Volvo V40 (2013–)). Steuergerätereparatur bei OBD Tuning.

VOLVO

TCM-P073179 - Gear 1 Incorrect Ratio. Mechanical Failures. Mechanical linkage failure

System

Getriebesteuergerät (TCM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

9 Modelle

S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)

Modelle nach Baujahr und Motor anzeigen (9)

Was bedeutet der Fehlercode?

The transmission control module (TCM) has selected a gear whose ratio is close to that of another gear. The fault is described as a mechanical linkage failure in the transmission, where clutch C2 or brake B1 may be engaged unintentionally. The fault concerns 1st gear.

Mögliche Ursachen

Contact resistance or poor contact in the connectors to the linear pressure solenoids
One or more of the linear pressure solenoids has stuck or is damaged
A fault inside the TCM or its control system
Mechanical faults in the transmission

Was Sie tun können

1First check whether the transmission has more fault codes; they may be the root fault and should be dealt with first
2Clear the code and road test the car in first gear with engine braking to see whether it returns
3Have a workshop check the connectors and wiring to the affected solenoids
4If the solenoids are sound, have a workshop look for any mechanical damage inside the transmission

Symptome, die Sie bemerken können5

Yellow warning symbol and text message in the display
The car may feel underpowered
No automatic gear change
No forward or reverse movement in gear
Gear changes happen too early, too late or too often

Was der Fehler beeinflussen kann1

Adaptation function is blocked

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