What does code P1746 mean on BMW vehicles?
The TCM detects a failure in its output stage circuitry.
OBD-II Code BMW
P1746 — BMW — Transmission Control Module Output Stage
The TCM detects a failure in its output stage circuitry.
Common symptoms
- Transmission enters limp mode
Possible causes
- Defective transmission control module
- internal electronic failure
Initial recommendation
Perform advanced TCM diagnostics and evaluate module repair or replacement.
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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