VOLVO
ECM-B12A612 - Auxiliary Heater Water Pump. General Electrical Failures. Circuit short to battery
Układ
Sterownik silnika (ECM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
12 modeliC30 (2007–2013), S40 (2004–2013), S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V50 (2004–2013), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Pokaż modele wg rocznika i silnika (26)
- Volvo C30 (2007–2013)2011–2013Tylko silnik: D4162T
- Volvo S40 (2004–2013)2011–2012Tylko silnik: D4162T
- Volvo S60 (2011–)2011–2012Tylko silnik: D4162T
- Volvo S60 (2011–)2013Tylko silnik: B5204T8, B5204T9, B5254T12, B5254T14, D4162T
- Volvo S60 (2011–)2014–2015Tylko silnik: B5204T8, B5204T9, B5254T12, B5254T14, D4162T, D4204T5
- Volvo S80 (2007–)2012Tylko silnik: D4162T
- Volvo S80 (2007–)2013Tylko silnik: B5254T12, B5254T14, D4162T
- Volvo S80 (2007–)2014Tylko silnik: B5254T12, B5254T14, D4162T, D4204T5
- Volvo S80 (2007–)2015Tylko silnik: D4162T, D4204T5
- Volvo V40 (2013–)2013Wszystkie silniki oprócz: B4164T, B4164T3, D5204T4, D5204T6
- Volvo V40 (2013–)2014Tylko silnik: B5204T8, B5204T9, B5254T12, B5254T14, D4162T
- Volvo V40 (2013–)2015Tylko silnik: B5204T8, B5204T9, D4162T, D4204T14
- Volvo V40 Cross Country (2013–)2013–2014Wszystkie silniki oprócz: B4164T, D5204T4, D5204T6
- Volvo V40 Cross Country (2013–)2015Wszystkie silniki oprócz: B4164T, B4204T11, D5204T6
- Volvo V50 (2004–2013)2011–2012Tylko silnik: D4162T
- Volvo V60 (2011–)2011–2012Tylko silnik: D4162T
- Volvo V60 (2011–)2013Tylko silnik: B5204T8, B5204T9, D4162T, D82PHEV
- Volvo V60 (2011–)2014Tylko silnik: B5204T8, B5204T9, B5254T12, D4162T, D4204T5, D82PHEV
- Volvo V60 (2011–)2015Tylko silnik: B5204T9, B5254T12, D4162T, D4204T5, D82PHEV, D87PHEV
- Volvo V60 Cross Country (2015–)2015
- Volvo V70 (2008–)2012Tylko silnik: D4162T
- Volvo V70 (2008–)2013Tylko silnik: B5204T9, D4162T
- Volvo V70 (2008–)2014–2015Tylko silnik: B5204T9, D4162T, D4204T5
- Volvo XC60 (2009–)2014Tylko silnik: D4204T5
- Volvo XC60 (2009–)2015Tylko silnik: B5204T9, B5254T12, B5254T14, D4204T5
- Volvo XC70 (2008–)2014–2015Tylko silnik: D4204T5
Co oznacza ten kod błędu?
The engine control module monitors the coolant pump relay and activates it at regular intervals to check whether the fault has cleared itself. The code is set when the relay's connection to the module is short-circuited to supply voltage. The coolant pump is then switched off, which can affect temperature control and the parking heater.
Możliwe przyczyny
- Loose connection or oxidation in the connector
- Signal wire short-circuited to supply voltage
- Damaged coolant pump relay
- Damaged pump
- Short circuit or open circuit in the wiring to the pump
Co możesz zrobić
- 1Check that the relevant fuses are intact and that the connectors at the coolant pump relay are fully seated
- 2With a multimeter, check that the signal wire has no contact with battery voltage
- 3Check that the pump and its wiring are intact; a damaged pump or wire can produce the same effect
- 4If the connectors and wiring are sound, the relay or pump is probably damaged and should be replaced by a workshop
Objawy, które możesz zauważyć4
- Uneven temperature in the cabin
- HYBRID drive mode is used all the time or too often, with the combustion engine running
- The parking heater does not work
- Text window with a warning symbol and text message
Na co może wpływać usterka2
- The coolant pump is switched off
- In cold outdoor weather the coolant pump keeps running
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.