C0278 Volvo Open or Short Circuit in ABS Solenoid Relay Circuit

C0278 Volvo Open or Short Circuit in ABS Solenoid Relay Circuit

Possible causes
– Brake actuator (skid control ECU)
– ABS solenoid relay circuit
What about the obd code?
When solenoid relay is turned on, relay contact is off for 0.2 seconds or longer.
Symptoms
– ABS Warning Light ON
Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60

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