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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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Repairs0Labor314Torque3680Fluid5DTC1608Battery1Maintenance0Recalls4
P2637moderate severityPowertrain

Torque Management Feedback Signal 'A'

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

What this code means

The engine control module detected a problem with the torque management feedback signal used to coordinate engine and transmission torque. This can affect smooth power delivery and shifting.

Symptoms

  • Reduced engine power
  • Harsh or erratic shifting
  • Illuminated check engine light

Common causes

  • Faulty powertrain control module
  • Wiring or connector fault in torque feedback circuit
  • Failed transmission control module
  • Poor ground or reference voltage

Diagnostic steps

  1. Scan for related PCM and TCM codes
  2. Inspect torque signal circuit wiring and connectors
  3. Check reference voltage and grounds
  4. Test or replace faulty control module
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