P26E8: The actuator power supply voltage D is below normal
The actuator power supply voltage D is below normal. It usually comes from the battery, the alternator or a poor connection.
| Code | P26E8 |
|---|---|
| System | Engine and transmission |
| Group | P26xx, Auxiliary outputs and cooling |
| Type | Generic: it means the same on every make |
How to read and clear P26E8 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P26E8 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P26E4 The starter motor relay B has an electrical fault
- P26E5 The starter motor relay B gives a lower signal than normal
- P26E6 The starter motor relay B gives a higher signal than normal
- P26E7 The actuator power supply voltage D has a broken or disconnected wire
- P26E9 The actuator power supply voltage D is above normal
- P26EA The fuel pump control unit B is not working properly
- P26EB There is a fault in the alternative fuel control unit system voltage
- P26EC The engine sound control B has a broken or disconnected wire
What does code P26E8 mean?
The actuator power supply voltage D is below normal. It usually comes from the battery, the alternator or a poor connection.
How do you clear P26E8?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P26E8 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
