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2022 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor318Torque3714Fluid5DTC849Battery1Maintenance0Recalls4
P1640moderate severityPowertrain

Output Driver Module A

on 2022 Chevrolet Bolt EUV 65 kWh Single Motor FWD · FWD

What this code means

The PCM detected a fault in output driver module A, which controls several actuator circuits. Affected outputs may not operate correctly.

Symptoms

  • Check engine light on
  • Multiple actuator faults
  • Component not operating

Common causes

  • Faulty PCM
  • Shorted output circuit
  • Wiring harness short to ground
  • Failed actuator on the driver circuit

Diagnostic steps

  1. Scan for related output circuit codes
  2. Inspect affected actuator wiring
  3. Test output circuits for shorts
  4. Replace PCM if internal driver failed
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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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