P0095–P0110 Intake Air Temperature Sensor 2 Circuit Bank 1
The ECU has logged a fault on P0095. The definition below is the exact wording the standard uses for this code.
Can you drive it? The engine light will stay on and the car may run in a reduced-power mode. Read the freeze-frame data to see the conditions the fault was logged under.
Which code is which
Same fault, different cylinder or bank — diagnosed the same way. Several set together usually means one shared cause.
| Code | Definition | Severity |
|---|---|---|
P0095 | Intake Air Temperature Sensor 2 Circuit Bank 1 | Investigate soon |
P00A5 | Intake Air Temperature Sensor 2 Circuit Bank 2 | Investigate soon |
P00AA | Intake Air Temperature Sensor 1 Circuit Bank 2 | Investigate soon |
P0110 | Intake Air Temperature Sensor 1 Circuit Bank 1 | Investigate soon |
The definition
P0095: Intake Air Temperature Sensor 2 Circuit Bank 1.
P0095 is a powertrain code (the engine or gearbox), defined by the SAE standard - it means the same thing on any make of car, and any generic OBD-II reader will decode it.
What to check first
Cheapest and fastest checks first:
- Read the freeze-frame data stored with the fault - engine speed, load and temperature at the moment it logged tell you whether this happens cold, hot or under load.
- Check the connector at the part for corrosion, and that it is fully seated.
- Clear the code and see whether it returns, and under what conditions.
What actually causes this on a VAG
On turbocharged and supercharged VAG engines there are two air temperature measurements: one for the air entering the induction system, and a second for the charge air after it has been compressed and cooled. This code is about that second one on bank one. On most of these engines it is not a standalone part - the temperature element is built into the charge pressure sensor in the intake manifold or charge pipe, so the same small unit reports both boost and temperature. The control unit uses this reading to protect the engine from heat, so with it faulty and a substitute value in use, the car may feel down on power.
Most likely causes, in order
- Connector or wiring at the sensor. The sensor sits in the intake tract where the loom crosses hot plastic and metal, and the plug is regularly disturbed during intake, intercooler or injector work. Unclip and reseat the connector, check the locking tab actually latches, and look for oily or corroded terminals inside. If the fault appeared shortly after any work in the induction system, this is almost certainly where it lives.
- Oil fouling of the sensing element. Direct-injection engines pass oil mist through the crankcase breather into the intake, and it settles on anything sitting in the airflow. A coated element responds slowly and reads wrongly, which more usually shows up as a range or plausibility code than as a circuit fault - but you are unlikely to have the sensor out without looking at it, so inspect the tip while it is in your hand. If it is glazed with oily deposit, that is worth acting on, and it also tells you the breather system deserves attention.
- The sensor unit itself has failed. These combined pressure and temperature sensors do fail internally with heat cycling. A useful pointer is a stored boost or manifold pressure code alongside this one, since both readings come from the same part. Confirm by comparing the logged charge air temperature against the ambient air temperature on a car that has stood overnight - on a properly cold engine they should agree closely, and a reading that is wildly out is a dead sensor.
Worth knowing: Because the temperature element usually lives inside the charge pressure sensor, do not let anyone chase a separate air temperature sensor that does not exist on your engine. Identify the one combined sensor first, and if there are pressure codes stored too, that is one part and one job rather than two.
Reading the code is the easy part
A code names the circuit that complained. What tells you why is watching the sensor behind it while the engine runs — and that is where a code reader stops and a diagnostic tool starts.
VAGPULSE reads every module in a VW, Audi, Skoda or SEAT — not just the engine — shows the live measuring blocks behind this fault, gives you the freeze-frame conditions it was logged under, and clears it once you have fixed it. It also does what a generic OBD reader cannot on a VAG: service resets, coding, adaptations, and Stage 1–3 flashing with your original file saved first.
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Common questions
What does P0095 mean?
P0095 means Intake Air Temperature Sensor 2 Circuit Bank 1. It is logged when the ECU sees this circuit outside its expected operating window.
Can I drive with P0095?
The engine light will stay on and the car may run in a reduced-power mode. Read the freeze-frame data to see the conditions the fault was logged under.