U2426 – Invalid Data Received from Vehicle Dynamics Control Module.
The ODBII code U2426 indicates that the vehicle’s control module has received invalid or erroneous data from the Vehicle Dynamics Control Module, which may affect the vehicle’s stability and handling systems.
The severity of ODBII code U2426 is moderate.
Common Causes For: U2425 Invalid Data Received from Vehicle Dynamics Control Module.
- Faulty Vehicle Dynamics Control Module (VDCM)
- Corrupted or damaged wiring/connectors
- Poor ground connections
- Faulty communication between modules
- Software issues or bugs in the VDCM
- Malfunctioning sensors related to vehicle dynamics
- Low battery voltage or electrical issues
- Interference from aftermarket modifications or devices
Common misdiagnosis for U2426 Invalid Data Received from Vehicle Dynamics Control Module.
- Faulty ABS module
- Defective wheel speed sensors
- Malfunctioning traction control system
- Issues with the powertrain control module (PCM)
- Wiring or connector problems
- Incorrectly calibrated or faulty steering angle sensor
- Problems with the vehicle stability control system
Common Troubleshooting Steps
When dealing with the OBD-II code U2426, which indicates “Invalid Data Received from Vehicle Dynamics Control Module,” it’s important to follow a systematic approach to troubleshoot the issue. Here are some common troubleshooting steps:
- Check for Additional Codes: Use an OBD-II scanner to check for any other trouble codes that may be present. Sometimes, multiple codes can provide more context for the issue.
- Inspect Wiring and Connectors: Examine the wiring and connectors related to the Vehicle Dynamics Control Module (VDCM). Look for signs of damage, corrosion, or loose connections that could affect communication.
- Verify Power and Ground: Ensure that the VDCM is receiving proper power and ground. Use a multimeter to check voltage and ground continuity at the module’s connector.
- Check for Software Updates: Sometimes, the issue can be resolved with a software update. Check with the vehicle manufacturer or a dealership to see if there are any updates available for the VDCM.
- Inspect the Vehicle Dynamics Control Module: If the wiring and connections are good, the issue may lie within the VDCM itself. Inspect the module for any signs of physical damage or water intrusion.
- Clear Codes and Test Drive: After performing the above checks, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code returns.
- Check for Interference from Other Modules: Sometimes, other modules in the vehicle can interfere with the VDCM. Check for any issues with related systems, such as the ABS or traction control systems.
- Perform a Network Test: If the problem persists, perform a network test to ensure that the communication between the VDCM and other modules is functioning correctly. This may require specialized diagnostic equipment.
- Consult Technical Service Bulletins (TSBs): Look for any TSBs related to the U2426 code or the VDCM for your specific vehicle make and model. Manufacturers often release TSBs for known issues.
- Replace the Vehicle Dynamics Control Module: If all else fails and the module is determined to be faulty, replacing the VDCM may be necessary. 1
- Seek Professional Help: If you are unable to resolve the issue, consider seeking assistance from a qualified mechanic or dealership with experience in diagnosing and repairing vehicle dynamics systems. By following these steps, you can systematically identify and address the root cause of the U2426 code.