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Michael WoodAug 5, 2025
What to do if TQ-Systems TQ-HPR50 show ERR 403 DRV COMM?
- HhamiltonrogerAug 5, 2025
If your TQ-Systems Bicycle Accessories display the error code ERR 403 DRV COMM, which indicates a Peripheral Communication Error, follow these steps: 1. Restart the system. 2. Update the software, if the installed firmware is outdated. 3. Inspect the peripheral components for any broken wires, and check all cable and plug connections. 4. Remove any third-party components.