What does code P1820 mean on Audi vehicles?
The pressure control solenoid 2 circuit is shorted to battery positive, rendering the transmission inoperative.
OBD-II Code Audi
P1820 — Audi — Pressure Control Solenoid 2 Short to B+
The pressure control solenoid 2 circuit is shorted to battery positive, rendering the transmission inoperative.
Common symptoms
- Transmission inoperative or severely limited
Possible causes
- Damaged wiring harness
- short to battery positive
Initial recommendation
Inspect pressure control circuit for shorts to B+ and repair wiring.
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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