P070D code meaning
Transmission Fluid Level Sensor Circuit High
What P070D means
Fluid level sensors in the transmission sump report the oil level to the transmission module as a voltage; an Allison patent converts it to millimetres and only accepts readings with the vehicle at rest, warm fluid, low input speed and a tilt correction. Such sensors are mainly found in heavy automatic transmissions. No manufacturer document available to us uses this code. P070D means the sensor signal is above its upper limit – typically an open signal or ground wire, pulled up inside the module, or a short to positive. Because the oil level does not usually affect emissions directly, a rating without the check engine light is likely; expect a transmission warning or a missing level display. The opposite fault is P070C.
P070D at a glance
- Check engine lightUsually not
- Emissions testNot an emissions code
- Limp modeNot expected
- Repair difficultyMedium
- Typical labor1 to 3 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P070D
- Fluid level display missing or warning to check transmission fluid
- Usually no driveability problems
- Transmission warning lamp depending on manufacturer
Common causes of P070D
- Most likelyWire or connector to the level sensor open
- PossibleSensor faulty (open)
- Less likelySignal wire shorted to positive
- Less likelyControl module faulty
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Transmission fluid level sensorSensor wiringTransmission control module
What each part of P070D means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 7 | Area: transmission. |
| 0D | The exact fault in that area. |
What to do next
- Note P070D and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P070D
What does P070D mean?
P070D means "Transmission Fluid Level Sensor Circuit High". Fluid level sensors in the transmission sump report the oil level to the transmission module as a voltage; an Allison patent converts it to millimetres and only accepts readings with the vehicle at rest, warm fluid, low input speed and a tilt correction. It is a generic code, so it means the same on every make.
Is it safe to drive with P070D?
P070D does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P070D fail an emissions test?
P070D is not an emissions code, so on its own it usually does not fail an emissions test. Other stored codes or a lit check engine light still can.
How hard is P070D to fix?
Difficulty: medium. A typical repair takes 1 to 3 hours of work. This is a job for a workshop.
Will P070D clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.