Powertrain
generic / SAE
P26E8
Actuator Supply Voltage D Circuit Low
The fourth actuator supply rail is below the expected voltage. 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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / E8
Possible causes
- Load on the rail shorted to ground high
- Battery condition causes voltage to drop medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–600 €
- Estimated time: 0.5–2.5 h
- Component: actuator supply d
- Component: charging system
- MIL / check engine light
Sources
References
sae:J2012