OBD-II code · Powertrain (generic, extended)
P2D98 Starter/Generator Phase X Current Circuit Intermittent/Erratic
The current measurement on starter/generator phase X drops out or jumps intermittently. Loose connector or vibration-sensitive sensor.
Is it safe to drive with P2D98?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySensor connector not seated
- PossibleHarness chafing intermittently shorts the wire
- Less likelyConnector with intermittent contact under vibration
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Usually unaffected
- Parts involved
- Starter Generator Phase X Current Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P2D99Starter/Generator Phase Y Current Circuit Intermittent/Erratic
- P2D9AStarter/Generator Phase Z Current Circuit Intermittent/Erratic
- P2D9BStarter/Generator Phase U Current Circuit Intermittent/Erratic
- P2D9CStarter/Generator Phase V Current Circuit Intermittent/Erratic
- P2D9DStarter/Generator Phase W Current Circuit Intermittent/Erratic
- P2D95Starter/Generator Phase X Current Sensor Circuit Low
- P2D96Starter/Generator Phase Y Current Sensor Circuit Low
- P2D97Starter/Generator Phase Z Current Sensor Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.