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
Related codes
- P083ATransmission Fluid Pressure Sensor/Switch G Circuit
- P0843Transmission Fluid Pressure Sensor/Switch A Circuit High
- P0848Transmission Fluid Pressure Sensor/Switch B Circuit High
- P084DTransmission Fluid Pressure Sensor/Switch H Circuit High
- P0873Transmission Fluid Pressure Sensor/Switch C Circuit High
- P0878Transmission Fluid Pressure Sensor/Switch D Circuit High
- P0990Transmission Fluid Pressure Sensor/Switch E Circuit High
- P0995Transmission Fluid Pressure Sensor/Switch F Circuit High
- P083BTransmission Fluid Pressure Sensor/Switch G Circuit Range/Performance
- P083CTransmission Fluid Pressure Sensor/Switch G Circuit Low
- P083ETransmission Fluid Pressure Sensor/Switch G Circuit Intermittent
- P083FClutch Pedal Switch A/B Correlation
- P0840Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.