Parts for your 2015 Audi Q5-Brake pad wear indicator

2015 Audi Q5 Brake Pad Wear Indicator — What It Does and How to Look After It

Technical confirmation: The 2015 Audi Q5 (Type 8R) is equipped with electronic brake pad wear indicators. This is documented in the 2015 Audi Q5 Owner’s Manual, which shows the brake-pad wear warning symbol and message in the instrument cluster. Audi’s factory workshop information (ELSA/erWin) also includes procedures for removing and installing brake pad wear sensors on the Q5, and the Audi ETKA parts catalogue lists the specific wear sensor leads for the front brakes and, depending on PR code/brake package, the rear axle as well.

On a 2015 Audi Q5, the brake pad wear indicator is a small electrical loop embedded in the brake pad that alerts the driver when the friction material is getting thin. When the pad wears down to the sensor, the circuit changes and triggers a dash warning. It’s a simple bit of kit that saves guesswork and helps protect rotors by prompting timely pad changes.

Most 2015 Q5 variants have at least a front-axle sensor (commonly on the left-hand inner pad). Some trims also run a rear-axle sensor depending on the brake package. That means a light on the dash doesn’t always tell which corner is low, so both axles should be inspected.

When servicing brakes on this model, the wear indicator is considered a consumable once it’s tripped or damaged. If the warning has come on, the sensor’s sacrificial wire has been ground through and must be replaced along with the pads. If the pads are being replaced before the light comes on, check the sensor lead and connector, if they’re brittle, chafed or the insulation is cooked, fit a new sensor to avoid nuisance warnings later.

There’s no special reset for the wear indicator itself. Once a good sensor is connected and the circuit is intact, the warning clears after ignition on. If the message remains, check the harness routing, connector seating, and for any breaks in the loom. The separate service interval reminder can be reset via the MMI or a scan tool, but that’s different to the pad wear alert.

A few handy tips for owners and techs across Australia and New Zealand:

• Replace sensors any time they’re worn through, heat-hardened, or the connector boots are perished.
• Route the new lead exactly as per the factory clips to keep it away from the rotor and tyre.
• Avoid twisting or soldering the sensor wires to “bypass” the system—it compromises safety and will confuse future diagnostics.
• If you’re getting intermittent warnings, look for corroded connectors or a nicked lead from road debris.

With normal driving, the system provides an early heads-up—often a few hundred kilometres before the pads are truly done—so the owner can organise pads (and sensors) before rotor damage or longer stopping distances become a worry.

Popular questions about 2015 Audi Q5 brake pad wear indicators

Where is the brake pad wear sensor on a 2015 Audi Q5?
On most 2015 Q5s it’s fitted to the front axle, typically the inner pad on the front left. Some variants also have a sensor on the rear axle depending on the brake package. The lead runs from the pad to a plug on the strut/inner guard via plastic clips.

Do you need to reset the warning after fitting new pads and a sensor?
No manual reset is needed for the wear indicator. Once a new, intact sensor is plugged in and the circuit is restored, the dash warning clears after switching the ignition on. If it doesn’t, check the connector, wiring and routing. The separate service reminder is reset via MMI or a scan tool.

Is it safe to drive with the brake pad wear warning on?
It’s a prompt to replace pads soon. Limited short trips to a workshop are generally fine if braking feels normal, but leaving it too long risks metal-on-metal contact, longer stopping distances and rotor damage. Best to book the pads (and sensors) without delay.