If you own a Weiwang or work on these Chinese-market vans and SUVs, you know TPMS sensor replacement can be straightforward—until you hit the relearn step. Unlike many Japanese or European vehicles, Weiwang models (including the Weiwang 306, 307, M20, and M30) use a TPMS system that supports multiple relearn methods, but the procedure varies by year and trim. This guide walks through the three main relearn types: auto, OBD, and stationary. Whether you’re a DIY owner or a shop tech, you’ll get the exact steps and tools needed.
Understanding Weiwang TPMS System Basics
Weiwang, a commercial vehicle brand under BAIC (Beijing Automotive Group), uses direct TPMS sensors mounted inside each tire. These sensors broadcast pressure and temperature data via radio frequency (RF) to a receiver module. After replacing a sensor—or after a tire rotation that moves sensors to different wheel positions—the vehicle’s ECU must “learn” the new sensor IDs and their positions.
Most Weiwang models use 433MHz sensors, which is the standard frequency for many Asian-market vehicles. This means the BL-ST-014 | BH-Sens 433MHz TPMS Tire Pressure Sensor | Fits Lexus, Subaru, Toyota | OE# 28103CC010, 4260702060, 4260702070 is compatible with many Weiwang applications. Always verify the sensor’s OE cross-reference against your vehicle’s original part number.
Tools You Will Need
| Tool | Purpose | Notes |
|---|---|---|
| TPMS activation tool (e.g., Autel TS508, Bartec, or ATEQ) | Triggers sensor to send ID | Required for OBD and stationary relearn |
| OBD2 TPMS tool (e.g., Autel MaxiTPMS or Launch X431) | Interfaces with vehicle ECU for OBD relearn | Speeds up the process; not needed for auto relearn |
| 433MHz TPMS sensors (like BH-Sens BL-ST-014) | Replacement sensors | Must match OE number |
| Magnet or low-frequency trigger (some models) | Stationary relearn on certain years | Check manual if this applies |
| Tire pressure gauge | Verify pressures before relearn | All tires must be at spec |
Method 1: Auto Relearn (Drive-Away Relearn)
This is the simplest method—no tools required beyond a working TPMS system. It works on most Weiwang models from 2015 onward.
Steps:
- Install the new sensors and inflate all tires to the recommended pressure (check driver door jamb sticker).
- Drive the vehicle above 15 mph (25 km/h) continuously for 10–20 minutes.
- The system automatically learns the new sensor IDs as it receives RF signals from each wheel.
- The TPMS warning light should turn off after a few minutes of stable driving. If it stays on, try a longer drive or switch to another method.
Limitations: Auto relearn can fail if the sensors are not transmitting smoothly, or if the vehicle is driven erratically (stop-and-go traffic). It also does not reassign sensor positions after tire rotation—it only learns new IDs.
Method 2: OBD Relearn (Fastest and Most Reliable)
For a guaranteed result in under 5 minutes, use an OBD2 TPMS tool. This method works on Weiwang models from approximately 2017 and newer.
Steps:
- Connect your TPMS diagnostic tool to the OBD2 port (located under the dashboard, driver’s side).
- Select “Weiwang” from the vehicle menu. If not listed, try “BAIC” or “generic OBD” (some tools auto-detect).
- Trigger each sensor using the tool’s activation function. Hold the tool within 2 inches of each valve stem. The tool will read the sensor ID, pressure, and temperature.
- Once all sensors are activated, select “Relearn” or “Program” on the tool.
- The tool sends the new sensor IDs to the ECU. Follow on-screen prompts—some require a key cycle (turn ignition off then on).
- Verify success: The TPMS light should turn off after starting the engine.
When to use this: After sensor replacement, or if auto relearn fails. It is also the only method that correctly assigns sensor positions after a tire rotation on Weiwang models that support position-specific learning.
Method 3: Stationary Relearn (Magnet or LF Trigger)
Some older Weiwang models (pre-2016) require a stationary relearn using a magnet or a low-frequency (LF) activation tool at each valve stem. This method is less common but still used on certain trims.
Steps:
- Park the vehicle and turn the ignition to “ON” (engine off).
- Locate the TPMS learn button or sequence: On some Weiwang models, you press the hazard light button 5 times within 10 seconds, then turn the ignition off and back on. Check your owner’s manual for the exact horn/light sequence.
- The vehicle enters learn mode (horns may chirp once or lights flash).
- Starting with the left front tire, hold a magnet (or LF tool) against the valve stem for 3–5 seconds. The horn chirps or lights flash to confirm.
- Repeat for right front, right rear, and left rear (clockwise order on most models).
- Turn ignition off. The system saves the new IDs.
Important: This method requires that each sensor is already physically installed and transmitting. If a sensor is dead or not triggered, the sequence will fail.
Recommended Part for Weiwang TPMS Replacement
For most Weiwang models, the BL-ST-014 | BH-Sens 433MHz TPMS Tire Pressure Sensor | Fits Lexus, Subaru, Toyota | OE# 28103CC010, 4260702060, 4260702070 provides a direct fit. It is a 433MHz sensor manufactured by BH-Sens (Baolong Technology), which is an OE supplier for many Asian automakers. Cross-reference your original part number—common Weiwang OE numbers include 28103CC010, 4260702060, and 4260702070. Always program the sensor with correct vehicle data before installation (some sensors come pre-programmed; others require cloning from the original ID).
Troubleshooting Common Relearn Issues
| Problem | Likely Cause | Solution |
|---|---|---|
| TPMS light stays on after drive | Sensor not transmitting or wrong frequency | Verify sensor is 433MHz; check battery in sensor |
| OBD tool cannot connect to vehicle | Incompatible tool or vehicle not supported | Use a universal OBD2 TPMS tool; try “BAIC” menu |
| Stationary relearn horn does not chirp | Incorrect sequence or vehicle not in learn mode | Double-check manual; try hazard light method |
| Tire pressure shows “—” | Sensor not recognized by ECU | Activate sensor manually with tool; redo relearn |
FAQ
Do I need to reprogram the sensor itself before installation?
Not always. Some aftermarket sensors like the BH-Sens BL-ST-014 are sold as “universal programmable” and require you to write the original sensor ID (clone) or vehicle-specific data using a TPMS programming tool. Others are pre-programmed for specific OE numbers. If you are replacing a dead sensor, cloning the old ID is the easiest—no relearn needed. If you install a new ID, you must perform a relearn.
Can I do a TPMS relearn without a special tool on a Weiwang?
Yes, the auto relearn method works on most Weiwang models from 2015 and newer. Drive above 15 mph for 10–20 minutes. If that fails, you will need at least a basic TPMS activation tool (under $50) for the stationary method, or a full OBD tool for the fastest result.
Why does my Weiwang show “check TPMS” after tire rotation?
Tire rotation moves sensors to different wheel positions. The vehicle still sees the same sensor IDs but in different locations. If your model supports position learning, you need an OBD tool to reassign positions. If not, the system may still function but display incorrect tire locations—this is not a safety issue. Some Weiwang models simply ignore position and only monitor pressure, so the light may not come on at all.
What if my OBD tool doesn’t list “Weiwang” in the menu?
Weiwang is a sub-brand of BAIC. Many TPMS tools list it under “BAIC” or “Beijing Automotive.” If neither is available, try “generic OBD2 TPMS” or manually enter the sensor IDs. For older models, the stationary method works without a specific vehicle menu.