OBD-II code · Powertrain (generic, extended)
P2DC8 Starter/Generator Excitation Current Low
The starter/generator excitation current is below the expected window.
Is it safe to drive with P2DC8?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyExcitation winding partially open
- PossibleSupply voltage low
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Starter Generator Excitation Circuit, Starter Generator, Hybrid Control Module
Related codes
- P2DC5Starter/Generator Phase Z Current Sensor Circuit
- P2DC6Starter/Generator Phase Z Current Sensor Circuit Range/Performance
- P2DC7Starter/Generator Excitation Current
- P2DC9Starter/Generator Excitation Current High
- P2DCAStarter/Generator Excitation Current Intermittent
- P2DCBStarter/Generator Phase X-Y-Z Current Sensor Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.