U2520 Volvo Xc70 DTC Code

Volvo Xc70 Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Turbocharged Engine

Your Volvo Xc70 engine control system detects a problem, the computer stores the diagnostic trouble code U2520 in its memory. To figure out what is wrong with your vehicle you must first extract the U2520 DTC For Volvo Xc70.

U2520 Volvo Xc70 engine problem can be occur defective fan clutches are a common and often overlooked cause of engine overheating. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. Eventually slippage reaches the point where effective cooling is no longer possible and overheating results. (On average, the life of a fan clutch is about the same as a water pump. If one needs to be replaced, the other usually does too.)

U2520 Volvo Xc70 DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
5	Auxiliary Emission Controls
2	Cruise Control Servo Indicates Low
0	Transmission Engaged At High Throttle Angle

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U2520 Volvo Xc70 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.