OBD-II code · Powertrain (generic, extended)
P26E0 Sensor Power Supply D Circuit Low
The 5 V supply rail D is below the expected level. 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.
Is it safe to drive with P26E0?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyReference wire shorted to ground
- PossibleSensor on the rail shorted internally to ground
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.8–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Control Module, Sensor Supply D, Sensors On Rail D
Related codes
- P06B1Sensor Power Supply A Circuit Low
- P06B4Sensor Power Supply B Circuit Low
- P06E7Sensor Power Supply C Circuit Low
- P26DDEngine Sound Control A Circuit High
- P26DEEngine Sound Control A Circuit Performance
- P26DFSensor Power Supply D Circuit / Open
- P26E1Sensor Power Supply D Circuit High
- P26E2Fuel Mode Indicator Lamp Control Circuit Low
- P26E3Fuel Mode Indicator Lamp Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.