What does code P1782 mean on Audi vehicles?
The engine torque reduction control circuit is shorted to battery positive, affecting coordinated shift control.
OBD-II Code Audi
P1782 — Audi — Engine Torque Reduction Short to B+
The engine torque reduction control circuit is shorted to battery positive, affecting coordinated shift control.
Common symptoms
- Irregular or harsh gear shifts
Possible causes
- Damaged wiring harness
- short to battery positive
Initial recommendation
Inspect wiring harness for shorts to B+ and repair as necessary.
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.
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