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2014 TOYOTA CAMRY
2.5L I4 Hybrid•FWD•AUTOMATIC•hybrid•2AR-FXE
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor492Torque660Fluid7DTC1915Battery1Maintenance0Recalls3
P3202high severityPowertrain

Hybrid/EV Battery Pack State of Charge Calculation Error

on 2014 Toyota Camry 2.5L I4 Hybrid · FWD

What this code means

The BMS is unable to accurately determine the state of charge of the HV battery. The SOC calculation has drifted beyond acceptable accuracy.

Symptoms

  • Battery gauge inaccurate
  • Unexpected power loss
  • Vehicle may stop unexpectedly
  • Range estimation wildly incorrect
  • Regenerative braking inconsistent
  • Frequent recalibration requests

Common causes

  • BMS current sensor failure
  • Cell voltage sensor drift
  • Software calibration lost
  • Battery not fully cycled recently
  • Temperature sensor error affecting calculation

Diagnostic steps

  1. Read raw cell voltages and compare to reported SOC
  2. Check current sensor calibration
  3. Perform BMS-commanded full charge/discharge cycle
  4. Test temperature sensors in battery pack
  5. Review BMS software version and updates

Repair notes

Recalibrate BMS through full charge/discharge cycle. Replace current sensor if faulty. BMS software update may be available.

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