VOLVO
ECM-1934 - Vehicle speed signal. Signal missing
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
4 modellerC30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)
Vis modeller per årsmodell og motor (6)
- Volvo C30 (2007–2013)2007–2010Kun motor: D4204T
- Volvo C70 (2006–2013)2008–2010Kun motor: D4204T
- Volvo S40 (2004–2013)2004–2006Kun motor: D4204T, D4204T2
- Volvo S40 (2004–2013)2007–2010Kun motor: D4204T
- Volvo V50 (2004–2013)2004–2006Kun motor: D4204T, D4204T2
- Volvo V50 (2004–2013)2007–2010Kun motor: D4204T
Hva betyr feilkoden?
The ECM gets its speed information from the brake control module (BCM) over the CAN network. If the communication is lost or disturbed, the code is set and the engine control module uses the last measured speed. The fault shows as a text message or a warning symbol in the display.
Mulige årsaker
- Faulty CAN communication
- The fault may lie in the brake control module (BCM)
Hva du kan gjøre
- 1Read the fault codes in the brake control module (BCM) and in the central electronics control module (CEM) and fix those first
- 2Clear the fault code in the engine control module once the other faults are fixed, then check whether it returns
- 3Check that the connectors at the brake control module are secure and clean
- 4Drive carefully and have a workshop check the brake system if the fault remains, since the signal comes from the brake control module
Symptomer du kan merke1
- Text message or warning symbol in the display
Hva feilen kan påvirke1
- The engine control module uses the last measured speed signal
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