AEM X-Series OBDII Gauge Kit for 2008 and Newer Vehicles - 30-0311

The AEM 30-0311 is a 52 mm X-Series gauge that plugs into the OBDII port and displays live engine data broadcast by the factory computer. It also reads and clears diagnostic trouble codes.

One gauge, many readings: scroll through what your engine computer broadcasts instead of mounting a gauge for each.

Vehicle compatibility and requirements

• Only 2008 and newer vehicles that use CAN-based OBDII (per AEM)
• Older OBDII vehicles without CAN are not supported
• Needs switched 12V power and a 52 mm gauge pod or panel hole

What it does

• Reads up to 41 OBDII parameters (PIDs), depending on what your vehicle broadcasts
• Reads and clears diagnostic trouble codes
• US or metric display
• Large center LED readout plus a 24-LED outer sweep
• Face buttons for peak recall, warning thresholds and standard or metric units
• Auto-dimming display

What is in the box

• X-Series OBDII gauge with black bezel and black face
• OBDII power/IO cable
• Mounting bracket and knurled nuts
• Butt connectors

Installation and limitations

Plug the cable into the OBDII port, route it to the gauge and connect switched power and ground. Available readings depend on your vehicle. Full details: AEM 30-0311 instructions (PDF).

Specifications

• Part number: 30-0311
• Brand: AEM
• Warranty: 1 year manufacturer warranty
• Country of origin: United States
• Packaged size: 5.55 x 5.45 x 5.4 in, 1.22 lb
• UPC: 840879024567

Frequently asked questions

Will the AEM 30-0311 work on my vehicle?

It works on 2008 and newer vehicles with CAN-based OBDII. Older OBDII vehicles are not supported.

Which readings does the 30-0311 show?

Up to 41 parameters, limited to what your vehicle broadcasts. Most show RPM, coolant, intake air temperature, throttle and speed.

Can I leave the 30-0311 plugged in while I tune?

Unplug it while you flash a tune with a tuner like the HP Tuners MPVI4, then plug it back in.