OBD-II code · Powertrain (generic, extended)
P2D97 Starter/Generator Phase Z Current Sensor Circuit Low
The current sensor for starter/generator phase Z reports voltage below the expected window. Indicates short to ground or sensor offset drifted low.
Is it safe to drive with P2D97?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySignal wire shorted to ground
- PossibleSensor offset drifted low
- 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
- P2D95Starter/Generator Phase X Current Sensor Circuit Low
- P2D96Starter/Generator Phase Y Current Sensor Circuit Low
- P2D94Starter/Generator Phase Z Current Sensor Circuit High
- P2D98Starter/Generator Phase X Current Circuit Intermittent/Erratic
- P2D99Starter/Generator Phase Y Current Circuit Intermittent/Erratic
- P2D9AStarter/Generator Phase Z Current Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.