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2023 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
🏆Sponsored by Simon-Olivier Ricci
Repairs269Labor314Torque3680Fluid5DTC1608Battery1Maintenance0Recalls0
P0857moderate severityPowertrain

Traction Control Input Signal Range/Performance

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

What this code means

The PCM receives a traction control input signal that is out of the expected range or performance limits. This may cause traction and stability systems to behave incorrectly.

Symptoms

  • Traction control warning light
  • Stability control disabled
  • Intermittent engine power loss

Common causes

  • Faulty wheel speed or traction sensor
  • CAN signal noise or interference
  • Failed traction control module
  • Wiring or connector fault

Diagnostic steps

  1. Scan PCM and ABS for codes
  2. Review data stream for signal range
  3. Inspect wiring and sensor connectors
  4. Replace faulty sensor or module
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