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2020 HONDA CIVIC
1.5L I4 Turbo•FWD•CVT•gas•turbo
5 active safety recalls on this vehicle — view recalls
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Repairs403Labor503Torque3385Fluid7DTC1624Battery1Maintenance0Recalls5
P0658moderate severityPowertrain

Actuator Supply Voltage A Circuit Low

on 2020 Honda Civic 1.5L I4 Turbo · FWD

What this code means

The PCM detected a low voltage condition on the actuator supply voltage A circuit. Actuators on this circuit may operate poorly or not at all.

Symptoms

  • Actuator malfunction codes
  • Components underperforming
  • MIL illuminated

Common causes

  • Short to ground in supply circuit
  • Damaged wiring
  • High resistance connection
  • PCM internal fault

Diagnostic steps

  1. Read stored codes
  2. Inspect wiring for short to ground
  3. Measure supply voltage under load
  4. Test PCM power circuit
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