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2023 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
🏆Sponsored by Simon-Olivier Ricci
Repairs269Labor314Torque3680Fluid5DTC849Battery1Maintenance0Recalls0
B0622moderate severityBody

Blend Door Actuator Circuit - Driver Side

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

What this code means

Malfunction in the driver side blend door (temperature mix) actuator. The blend door controls the mix of hot and cold air.

Symptoms

  • Driver side blows only hot or only cold air
  • Temperature does not change with control adjustment
  • Clicking noise from behind dashboard
  • Inconsistent temperature delivery

Common causes

  • Faulty blend door actuator motor
  • Blend door binding or broken
  • Actuator gear stripped
  • Wiring issue
  • HVAC control module fault

Diagnostic steps

  1. Listen for actuator operation when changing temp
  2. Test actuator with direct power
  3. Check actuator gears for stripping
  4. Inspect blend door for binding
  5. Scan HVAC module for codes

Repair notes

Replace blend door actuator. If door is broken, dash removal may be required for door replacement.

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