U2A04 Audi Tt DTC Code | EngineDTC.com

Audi Tt Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Audi Tt engine control system detects a problem, the computer stores the diagnostic trouble code U2A04 in its memory. To figure out what is wrong with your vehicle you must first extract the U2A04 DTC For Audi Tt.

U2A04 Audi Tt 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.)

U2A04 Audi Tt DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
2	MFG - Manufacturer Specific
A	Transmission
0	Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
4	Cruise Vehicle Speed/Set Speed Difference Too High

If your vehicle failed a U2A04 Audi Tt test and the U2A04 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U2A04 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U2A04 DTC For Audi Tt: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.