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VW U1501 Code – Gateway Module Communication Error
Limited
Safe to drive :
VW vehicles only
Applies only to :
Not applicable to :
This explanation does NOT apply to Audi, BMW, or other brands.
Medium
Severity level :
When Does This Code Appear on the Vehicles
VW U1501 occurs after voltage fluctuations or module reprogramming.
What This Code means on the Vehicles
Indicates CAN communication issue in gateway module.
Why This is different from a generic OBD2 Code
Generic OBD-II cannot report this VW-specific module code.
Common Situations That Trigger This Code
Power supply issues; ECU software mismatch; Wiring faults.
What Will NOT Fix This Code
Ignoring code; Replacing non-related modules.
How to Clear This Code on Vehicles
Inspect wiring and ECU; clear code via VCDS/OEM.
Related Manufacturer Specific Codes
VW U1500; VW U155F00
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