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P0724moderate severityPowertrain

Torque Converter/Brake Switch B Circuit High

on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD

What this code means

The brake switch signal to the transmission controller reads high. The computer uses this input for torque converter unlock and cruise cancel.

Symptoms

  • Cruise control fault
  • Torque converter stays locked
  • Brake light concerns

Common causes

  • Faulty brake switch
  • Short to voltage in wiring
  • Corroded connector
  • Faulty TCM

Diagnostic steps

  1. Scan for codes and freeze frame
  2. Verify brake switch signal with scan tool
  3. Inspect wiring for short to voltage
  4. Replace brake switch if out of spec

Other Powertrain codes on this vehicle

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