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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
P1122moderate severityPowertrain

TP Sensor Circuit Intermittent Low Voltage

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

What this code means

The throttle position sensor signal briefly dropped too low. Often caused by a bad connection or failing sensor.

Symptoms

  • Check engine light on
  • Intermittent hesitation
  • Erratic idle

Common causes

  • Loose or corroded connector
  • Faulty TP sensor
  • Chafed or broken wiring
  • Bad PCM ground

Diagnostic steps

  1. Scan and monitor TP sensor voltage
  2. Wiggle-test connector and harness
  3. Check reference and ground circuits
  4. Replace TP sensor if signal drops out
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