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2018 LEXUS LC 500H
3.5L V6 Hybrid•RWD•AUTOMATIC•hybrid
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Repairs0Labor469Torque1848Fluid8DTC1932Battery1Maintenance0Recalls0
P0971moderate severityPowertrain

Pressure Control Solenoid C Control Circuit Low

on 2018 Lexus LC 500h 3.5L V6 Hybrid · RWD

What this code means

The transmission control module detected a low voltage condition in the pressure control solenoid C control circuit. Low pressure control can cause improper clutch or band apply.

Symptoms

  • Harsh shifting
  • Slipping gears
  • Warning light illuminated

Common causes

  • Short to ground in wiring
  • Faulty pressure control solenoid C
  • Corroded connector
  • Failed transmission control module

Diagnostic steps

  1. Retrieve stored codes
  2. Inspect wiring for shorts to ground
  3. Measure solenoid voltage and resistance
  4. Replace solenoid C if defective
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