Starter/Generator Phase Y Current Sensor Circuit Range/Performance

Where it lives

For P2DC4, start at the sensor the description names.

Check these first

• Starter/generator phase Y current sensor out of range
• A failed phase Y current sensor
• High resistance in the phase Y sensor circuit
• A chafed phase Y harness
• A faulty inverter current input

What to do next

1. Read starter/generator phase Y current on a scan tool
2. Compare phase Y to phase X and phase Z
3. Test the phase Y sensor circuit
4. Inspect the phase Y connector
5. Replace the phase Y sensor if the reading skews
6. Clear the code and retest

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