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2023 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
🏆Sponsored by Simon-Olivier Ricci
Repairs269Labor314Torque3680Fluid5DTC1608Battery1Maintenance0Recalls0
P0900high severityPowertrain

Clutch Actuator Circuit/Open

on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD

What this code means

The PCM detected an open in the clutch actuator control circuit. This affects automated clutch operation in dual-clutch or automated manual transmissions.

Symptoms

  • No or erratic clutch engagement
  • Harsh shifting or stalling
  • Transmission warning light

Common causes

  • Open wiring to clutch actuator
  • Faulty clutch actuator
  • Corroded or loose connector
  • PCM/TCM output driver fault

Diagnostic steps

  1. Scan and record freeze frame data
  2. Inspect clutch actuator wiring and connector
  3. Measure actuator circuit resistance and continuity
  4. Test actuator and replace if faulty
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