What does code P1748 mean on Audi vehicles?
An error was detected during the TCM self-check.
OBD-II Code Audi
P1748 — Audi — Transmission Control Unit Self-Check Error
An error was detected during the TCM self-check.
Common symptoms
- Multiple transmission faults.
Possible causes
- Internal TCM error.
Initial recommendation
Perform TCM diagnosis.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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