VOLVO
ECM-181E - Engine coolant temperature (ECT) warning lamp. Signal too low
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerS40 (1996–2004), V40 (1996–2004)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
The ECM drives the engine coolant temperature warning lamp in the instrument panel. If the control signal to the lamp is too low, for example through a break or a short to ground, fault code ECM-181E is set.
Mulige årsaker
- Control signal wire shorted to ground
- Open circuit in the control signal wire
Hva du kan gjøre
- 1Switch off the ignition and check the instrument cluster connectors for play and oxidation, then reconnect them
- 2With a multimeter, check that the control wire to the coolant temperature warning lamp has no break and is not shorted to ground
- 3If you have a diagnostic tool: activate the coolant temperature warning lamp and check that it lights
- 4If the fault remains, have a workshop check the instrument cluster and the wiring to the lamp
Symptomer du kan merke1
- No noticeable symptoms for the driver
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