OBD-II code · Powertrain (generic, extended)
P2D94 Starter/Generator Phase Z Current Sensor Circuit High
The current sensor for starter/generator phase Z reports voltage above the expected window. Indicates short to B+ or sensor offset drifted high.
Is it safe to drive with P2D94?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to B+
- PossibleSensor offset drifted high
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Starter Generator Phase Z Current Sensor, Wiring Harness, Hybrid Control Module
Related codes
- P2D92Starter/Generator Phase X Current Sensor Circuit High
- P2D93Starter/Generator Phase Y Current Sensor Circuit High
- P2D91Engine Oil Pressure Sensor/Switch C Range/Performance
- 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.