Always know the air pressure and temperature in your trailer tires with this set of Sierra 3500 Trailer Tire Pressure Monitor (TPM) Sensors from GMC. These Genuine GMC Accessories Trailer TPM Sensors communicate with the vehicle Infotainment System to display tire pressure and temperature with low and/or high alerts. In-vehicle Trailering App (U1D) is REQUIRED as a factory only option. These Trailer TPM Sensors are designed to work with Sierra Models with one of the following factory option codes; PTT, U1D, UVI or ZL6. All features of (ZL6) Pro Grade Trailering are included within SLT / AT4 / Denali models however the code of "ZL6" may not be shown/listed.

• Designed and Engineered by GMC
• Genuine GMC Accessories provide Factory Fit, Finish and Function
• Monitors trailer tire pressure and informs driver when pressure levels are low or high
• Provides trailer tire temperature and informs driver when temperature levels are too high
• Set of Two (2) Trailer Tire Pressure Monitor Sensors
• Replaces: 85110397, 84338125
• Same Sensors as provided with Factory Option PTT (Trailer Tire Pressure Monitor Sensors)
• Vehicle REQUIRES Factory Option U1D (In-vehicle Trailering App)
• Includes Models with Factory Option ZL6 (ProGrade Trailering System) which includes U1D (In-vehicle Trailering App)
• All features of (ZL6) Pro Grade Trailering are included within SLT / AT4 / Denali models however the code of "ZL6" may not be shown
• Up to 6 trailer tire sensors
• Max tire pressure of 100 psi
• Sensors should only be used with a 0.453” mounting hole.

Sierra 3500 | Trailering Tire Pressure Monitor Sensors | TPMS | Set of 2