Shop Jeep Wrangler Transmission Position Sensor Switch Replacement. Get Jeep Wrangler Transmission Sensors Location & Jeep Wrangler Gearbox Sensor Price. Maintaining the transmission sensors in your Jeep Wrangler is crucial for optimal performance and longevity. To extend their lifespan, regularly check for corrosion or wiring issues and replace fluids as recommended. Signs that your transmission sensors need replacing include erratic shifting or the check engine light activating. When choosing a new sensor, consider OEM parts for guaranteed compatibility or aftermarket solutions that offer enhanced features like improved signal clarity. Ensure the material is of high quality to withstand harsh conditions, and if you're installing it yourself, always disconnect the battery to avoid electrical mishaps. With the right care and choice, your Jeep's transmission sensors will ensure a smooth ride.