1. Product Overview
The GANGLE TPMS Sensor is designed to monitor the air pressure and temperature of your vehicle's tires, transmitting this data wirelessly to your car's onboard computer. This system helps ensure optimal tire performance, enhances driving safety, and can improve fuel efficiency by maintaining correct tire inflation. These sensors are compatible with a range of Opel and Vauxhall vehicles.


2. Specifications
| Feature | Specification |
|---|---|
| Brand | GANGLE |
| Compatible OEM Part Numbers | 13506028, 13594222, 13581560, 25789964, 20922901, 13581561, 1332725 |
| Operating Frequency | 433 MHz |
| Material | Durable Plastic and Metal |
| Origin | Mainland China |
| Package Length | 16 cm |
| Package Width | 14 cm |
| Package Height | 2 cm |
| Package Weight | 0.108 kg |
3. Setup and Installation
3.1 Physical Installation
TPMS sensors are installed inside the tire, typically replacing the standard valve stem. Due to the specialized equipment and expertise required for tire mounting and balancing, professional installation by a qualified tire technician is highly recommended. Incorrect installation can damage the sensor or the tire, leading to safety hazards.
3.2 Sensor Relearning Procedure (Opel/Vauxhall)
After physical installation, the new TPMS sensors must be 'relearned' by your vehicle's system. For many Opel/Vauxhall models, this can be done using a dedicated TPMS programming tool (e.g., EL-50448 OEC-T5). The general procedure is as follows:
- Ensure all tires are inflated to the recommended pressure.
- Turn the vehicle ignition to the 'ON' position (engine off).
- Navigate to the TPMS screen on your vehicle's dashboard display.
- Press and hold the 'Info' button (or equivalent, refer to your vehicle's owner's manual) for approximately 5 seconds. The car should honk twice, and the display will indicate 'TPMS relearning' or similar.
- Starting with the Front Left tire, place the TPMS programming tool against the tire sidewall near the valve stem. Activate the tool. The car will honk once to confirm the sensor has been learned.
- Proceed to the Front Right tire, then Rear Right, and finally Rear Left, repeating the activation process with the tool for each tire in this specific order.
- Once all four sensors are learned, the car will honk twice, indicating the completion of the relearning process.
- Drive the vehicle for a short period (e.g., 10-15 minutes) to allow the system to fully update and display accurate readings.


4. Operation
Once installed and successfully relearned, the GANGLE TPMS sensors will continuously monitor your tire pressure and temperature. This information is transmitted to your vehicle's dashboard display, providing real-time data. If a tire's pressure falls below a safe threshold or experiences a rapid change, the system will alert you, typically with a warning light and/or an audible alarm.


5. Maintenance
GANGLE TPMS sensors are designed for long-term use, but they contain a battery with a finite lifespan. Typically, these batteries last several years (e.g., 5-7 years), after which the sensor will need to be replaced. There is no user-serviceable part or replaceable battery within the sensor unit itself.
- Regular Tire Checks: Even with TPMS, it is advisable to manually check your tire pressure regularly with a reliable gauge.
- Sensor Replacement: When a sensor's battery depletes, or if a sensor is damaged, it must be replaced with a new compatible unit and the relearning procedure performed.
6. Troubleshooting
- Sensor Not Recognized / TPMS Warning Light On:
- Ensure the sensors were installed correctly.
- Verify that the relearning procedure was followed precisely, including the correct tire sequence (Front Left, Front Right, Rear Right, Rear Left).
- Confirm that the TPMS programming tool (e.g., EL-50448 OEC-T5) is functioning correctly.
- If the issue persists, one or more sensors might be faulty or incompatible. Consult a professional technician.
- Inaccurate Readings:
- Manually check tire pressure with a calibrated gauge to compare with the dashboard display.
- Ensure tires are inflated to the vehicle manufacturer's recommended pressure.
- Perform the relearning procedure again.
- Sensor Stops Transmitting:
- This often indicates a depleted battery. The sensor will need to be replaced.
- Physical damage to the sensor can also cause it to stop transmitting.
7. User Tips
- For easy and reliable programming, consider acquiring an EL-50448 OEC-T5 TPMS relearn tool. Many users report successful and quick activation with this device.
- Always follow the specific relearning sequence for your vehicle (typically Front Left, Front Right, Rear Right, Rear Left) to ensure proper sensor identification.
- These sensors are generally pre-programmed to the correct frequency (433MHz) and often only require the vehicle's relearning procedure, not complex programming.
- The sensors are compatible with both original equipment (OE) aluminum and steel rims.
8. Frequently Asked Questions (FAQ)
- Q: How do I mate these sensors with my car system?
- A: After physical installation, you typically need a TPMS relearn tool (like the EL-50448 OEC-T5) to activate and register the sensors with your car's computer. Follow the specific relearning procedure for your vehicle model.
- Q: Are these sensors 433MHz?
- A: Yes, these sensors operate at 433MHz, which is standard for many compatible vehicles.
- Q: How many years does the battery last?
- A: The internal battery is designed to last several years, typically 5-7 years, depending on usage and environmental conditions. The sensors are sealed units, and the battery is not replaceable.
- Q: Are these compatible with Opel Astra K?
- A: Yes, many users have confirmed compatibility and successful operation with Opel Astra K models (e.g., 2016, 2017, 2018).
- Q: Do they fit Opel Astra J?
- A: Yes, these sensors are reported to work with Opel Astra J models (e.g., 2015, 2017).
- Q: Are they compatible with Opel Insignia?
- A: Yes, they are suitable for various Opel Insignia models (e.g., 2018).
- Q: Will they fit Opel Mokka X?
- A: Yes, they are compatible with Opel Mokka X.
- Q: Do I need extra equipment for programming?
- A: While some vehicles might self-learn after driving, for most compatible Opel/Vauxhall models, a TPMS relearn tool (like the EL-50448 OEC-T5) is highly recommended for quick and reliable activation.
9. Warranty and Support
For specific warranty information or technical support, please refer to the seller's policies or contact the seller directly through the platform where the product was purchased.
A detailed user manual in PDF format may also be available for download: View User Manual (PDF)