OBD-II code · Powertrain (generic)

P083D Transmission Fluid Pressure Sensor/Switch G Circuit High

Pressure sensor G signal voltage above the upper limit — short to reference voltage or open signal return.

Is it safe to drive with P083D?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelySignal wire shorted to reference voltage
  • Less likelyConnector pins corroded - high contact resistance
  • Less likelySupply wire pinched against B+ source

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2.5 h
Emissions test
Usually unaffected
Parts involved
Transmission Pressure Sensor G

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.