P0321 Audi Auto Trouble Code
Parts or components should not be replaced with reference to only a P0321 Audi DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.
Evaporative emissions systems test for a leak in the fuel tank and associated hoses. To perform the test, the computer pulls a vacuum and checks to see if the vacuum holds. Each car maker uses a different techniques to check, but most often it's some type of fuel tank pressure sensor.
P0321 Audi Possible Solution:
Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.
P0321 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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P0321 Audi Trouble Repair :
P0321 Audi code shows that location the body harness connector, located in and around the left hand kick panel area or inside the IP (consult a shop manual for location). Water can leak into the connector from clogged sunroof drains, A-pillar leaks, or windshield or cowling leaks. |
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