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2023 FORD MUSTANG MACH-E
Extended Range Dual Motor AWD•AWD•AUTOMATIC•ev
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor316Torque3729Fluid6DTC1522Battery1Maintenance0Recalls6
P0843moderate severityPowertrain

Transmission Fluid Pressure Sensor/Switch A Circuit High

on 2023 Ford Mustang Mach-E Extended Range Dual Motor AWD · AWD

What this code means

The PCM detected a voltage higher than expected in the transmission pressure sensor A circuit. This may point to an open circuit or short to voltage.

Symptoms

  • Harsh shifts
  • Transmission warning light
  • Delayed engagement

Common causes

  • Open circuit in wiring
  • Short to power
  • Faulty pressure sensor
  • Poor connector contact

Diagnostic steps

  1. Retrieve codes and freeze frame
  2. Inspect wiring for open or short to power
  3. Check sensor ground and connector
  4. Test sensor signal voltage against spec
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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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