Unitronic P3 V3 OBD2 Gauge for Audi B9 A4/A5/S4/S5/RS5/Allroad

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Unitronic P3 V3 OBD2 Gauge for Audi B9 A4/A5/S4/S5/RS5/Allroad

Product Information

Monitor all your performance data with a Unitronic P3 V3 OBD2 Gauge! Better understand your B9 A4, A5, Allroad, S4, S5 or RS5 performance metrics with this great tool.

At the cutting-edge of technology, P3 Gauges offers its users a multitude of readouts like:

  • Boost (through OBD2 port using OEM sensors or with P3 analog boost sensor)
  • Coolant temperature
  • Air/Fuel ratio (can be read in AFR or Lambda)
  • Vehicle speed (can be calibrated in 1% increments from -9% to +20%)
  • Intake air temperature
  • Throttle angle
  • Ignition timing
  • Engine RPM
  • Exhaust gas temperature
  • Battery voltage
  • Programmable shift light
  • Analog input 1 (brown wire) can allow gauge to read any 0-5 volt linear output sensor
  • Analog input 2 (blue wire) can allow gauge to read any 0-5 volt linear output sensor
  • Acceleration timers (0-60mph/0-100mph/60-130mph)
  • Braking timers (60-0mph/100-0mph)

The P3 V3 Gauge adds even more user control to what the OBD2 Multi-Gauge already offered. Read DTCs on command, remove pids that you don't care to see, configure units settings of individual measurements, calibrate your vehicle speed, read AFR in Lambda.

No more bulky pillar or column pods... No more squinting to read tiny pixelated screens... While retaining the OEM plus design that blends into your interior, the P3 V3 packs a punch with it's bold, bright display that allows you to pick up info at a glance.

Even though the P3 V3 installs in your air vent, P3 keept in mind that you need that heat and A/C while designing each gauge.

P3 torture-tested our gauges to the extreme. From frozen solid at -94 F to physically melting at hundreds of degrees, their gauges function far beyond the limits of the in-car environment.

In addition, it comes engraved with the Unitronic logo if purchased here as an exclusive collection!
Features / Benefits
  • Plug and Play Install
    Plugs directly into your OBD2 port (want to keep your OBD2 port open? hard-wire harness kit also available)

  • OEM Integration
    Installs in your vent for a sleek install while retaining air flow

  • Versatility
    Read boost from multiple OEM sensors through OBD2 port or using optional P3 analog boost sensor. All readouts can be individually configured to read in either Imperial or Metric units.

  • Code Reading/Clearing
    Read and clear diagnostic trouble codes (DTCs) on the fly

  • 1 year warranty with the manufacturer
  • Compatible with LHD vehicles only


Brand: Unitronic
Product Code: UH005-AC6
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