P070C code meaning
Transmission Fluid Level Sensor Circuit Low
What P070C 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. P070C means the sensor signal is below its lower limit – typically the signal wire shorted to ground or a sensor shorted internally. 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. An actually low oil level is P070F.
P070C 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 P070C
- Fluid level display missing or warning to check transmission fluid
- Usually no driveability problems
- Transmission warning lamp depending on manufacturer
Common causes of P070C
- Most likelySignal wire to the level sensor shorted to ground (chafing, transmission connector)
- PossibleLevel sensor faulty internally
- PossibleTransmission connector soaked in oil or corroded
- Less likelyModule input 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 P070C 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. |
| 0C | The exact fault in that area. |
What to do next
- Note P070C 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 P070C
What does P070C mean?
P070C means "Transmission Fluid Level Sensor Circuit Low". 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 P070C?
P070C does not normally turn on the check engine light by itself. Watch for the symptoms above and have it checked soon.
Will P070C fail an emissions test?
P070C 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 P070C to fix?
Difficulty: medium. A typical repair takes 1 to 3 hours of work. This is a job for a workshop.
Will P070C clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.