U1002 Audi Auto Trouble Code
U1002 Audi OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.
Remove the air filter box assembly so you can access the transmission range switch. Turn the key to the ON position, but do not start the vehicle. Move the shifter to the neutral position. Align the alignment holes between the switch and the shift lever. Insert a 5mm drill bit into the adjustment hole to verify the proper alignment for the neutral position.
U1002 Audi Possible Solution:
Vehicle Speed Sensor (VSS) Out of Self Test Range Indicates the VSS input signal is out of Self Test range. If the PCM detects a VSS input signal any time during Self Test, a DTC P1501 will be set and the test will abort. Noisy VSS input signal from Radio Frequency Interference/ Electro-Magnetic Interference (RFI/EMI) external sources such as ignition wires, charging circuit or after market equipment. Check for VSS input to be 0 mph when vehicle transmission is in Park.
U1002 Audi Description For All Models :
- Audi 100
- Audi 200
- Audi 4000
- Audi 50
- Audi 5000
- Audi 60
- Audi 75
- Audi 80
- Audi 90
- Audi 920
- Audi A1
- Audi A2
- Audi A3
- Audi A4
- Audi A5
- Audi A6
- Audi A7
- Audi A8
- Audi Ad
- Audi Allroad
- Audi C
- Audi Cabriolet
- Audi Concept
- Audi Coupe
- Audi Q3
- Audi Q5
- Audi Q7
- Audi Quattro
- Audi R8
- Audi Rs2
- Audi Rs3
- Audi Rs4
- Audi Rs5
- Audi Rs6
- Audi S1
- Audi S2
- Audi S3
- Audi S4
- Audi S5
- Audi S6
- Audi S8
- Audi Sq7
- Audi Tt
- Audi Ur
- Audi V8
- Audi Variant
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U1002 Audi Trouble Repair :
The sensors receive a 5 volt reference signal from the PCM. As pressure readings change, the sensor varies the voltage and the computer reads that to determine input. In the case of a broken wire, the sensor never sees the voltage and the computer assumes a major fault. So if you get this U1002 Audi code, first check to make sure you're getting a good 5 volt reference signal at the sensor. |
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