OBD-II code · Powertrain (generic)
P070D Transmission Fluid Level Sensor Circuit High
Same as P070A with the signal voltage above the plausible range. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P070D?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal shorted to supply
- 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
- 1–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Transmission Fluid Level Sensor
Related codes
- P070ATransmission Fluid Level Sensor Circuit
- P070BTransmission Fluid Level Sensor Circuit Range or Performance
- P070CTransmission Fluid Level Sensor Circuit Low
- P070ETransmission Fluid Level Sensor Circuit Intermittent or Erratic
- P070FTransmission Fluid Level Too Low
- P0710Transmission Fluid Temperature Sensor A Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.