P0C26 code meaning
Electric/Auxiliary Transmission Fluid Pump A Motor Current
Powertrain system Generic code P0Cxx codes Check engine light
What P0C26 means
P0C26 is the general motor current fault of auxiliary pump A: the current drawn does not match what the commanded operating point should need, without clearly being too low or too high. No manufacturer documents this exact code publicly. Its siblings show what is monitored: Ford stores P0C27, current too low, on 2014-16 Fusion and 2015-16 Edge with the 6F35 start-stop transmission when air enters the pump supply tube, and GM sets P0C28 on the Volt and ELR when any phase exceeds 35 A. CARB requires such components to be checked for rationality. A general current code therefore points to aeration, low fluid, a binding pump or current sensing errors. The pump may be switched off and auto-stop blocked; P0C27 and P0C28 are the specific variants.
P0C26 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyHard
- Typical labor0.5 to 4 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0C26
- MIL or transmission warning
- Harsh engagement after an auto-stop
- Start-stop deactivated
Common causes of P0C26
- Most likelyLow or aerated transmission fluid at the pump intake
- PossiblePump binding or contaminated, changing the motor load
- PossibleCurrent sensing in the pump driver implausible
- Less likelyOutdated control software of the pump or controlling module
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Aux trans pump a motor
What each part of P0C26 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| C | Area: hybrid propulsion. |
| 26 | The exact fault in that area. |
What to do next
- Note P0C26 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 P0C26
What does P0C26 mean?
P0C26 means "Electric/Auxiliary Transmission Fluid Pump A Motor Current". P0C26 is the general motor current fault of auxiliary pump A: the current drawn does not match what the commanded operating point should need, without clearly being too low or too high. It is a generic code, so it means the same on every make.
Is it safe to drive with P0C26?
Drive gently and only to a workshop. With P0C26 the car can go into limp mode (reduced power) to protect itself.
Will P0C26 fail an emissions test?
Yes, it can. P0C26 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0C26 to fix?
Difficulty: hard. A typical repair takes 0.5 to 4 hours of work. This is a job for a workshop.
Will P0C26 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.