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Audi U14D601 Code – Module Data Mismatch
Limited
Safe to drive :
Audi vehicles only
Applies only to :
Not applicable to :
This explanation does NOT apply to other manufacturers.
Medium
Severity level :
When Does This Code Appear on the Vehicles
Audi U14D601 triggers when module data mismatch is detected on CAN bus.
What This Code means on the Vehicles
Indicates mismatch between powertrain and gateway modules.
Why This is different from a generic OBD2 Code
Standard scanners cannot detect this module-specific fault.
Common Situations That Trigger This Code
Aftermarket device interference; Wiring faults; ECU update failure.
What Will NOT Fix This Code
Ignoring CAN communication errors; Replacing unrelated parts.
How to Clear This Code on Vehicles
Diagnose wiring, ECU firmware, and connections; clear code with OEM tool.
Related Manufacturer Specific Codes
Audi U14D600; Audi U14D602
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