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2021 FORD MUSTANG MACH-E

Standard Range Dual Motor AWDRWDAUTOMATICev
Repairs0Labor423Torque4167Fluid6DTC581Battery1Maintenance0Recalls0
P1700high severityPowertrain

Transmission Indeterminate Failure

on 2021 Ford Mustang Mach-E Standard Range Dual Motor AWD · RWD

What this code means

The PCM/TCM has detected an indeterminate transmission failure. The transmission has failed to a neutral state. This is a general transmission failure code that may accompany more specific codes.

Symptoms

  • Check Engine Light
  • Transmission slipping
  • Harsh shifts
  • Vehicle in limp mode
  • Transmission may default to one gear

Common causes

  • Internal transmission failure
  • Solenoid pack failure
  • Valve body issue
  • Low transmission fluid
  • Transmission control module failure

Diagnostic steps

  1. Check for additional transmission DTCs for more specific diagnosis
  2. Check transmission fluid level and condition
  3. Inspect transmission wiring connector
  4. Monitor transmission pressures with scan tool

Repair notes

Check for companion DTCs. Check fluid level first. May require transmission disassembly for internal failure.

Other Powertrain codes on this vehicle

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