2021 Ford Mustang Mach-E

Here’s a breakdown of the common issues and complaints associated with the 2021 Ford Mustang Mach-E, categorized for clarity and accuracy. The 2021 Ford Mustang Mach-E is an all-electric crossover that marked Ford’s foray into the EV market. It’s available with either a standard range (70 kWh) or extended range (91 kWh) battery pack, powering either a rear-wheel drive (RWD) or all-wheel drive (AWD) configuration. The horsepower and torque figures vary based on the battery and drivetrain combination, with the GT Performance Edition reaching up to 480 horsepower and 634 lb-ft of torque. Owners often praise the Mach-E for its sporty handling, quick acceleration, and modern technology. However, some common complaints include software glitches, charging inconsistencies, and build quality issues.

Electric Motor

Standard Range (70 kWh) & Extended Range (91 kWh)

• Reduced Power/Turtle Mode
  • Description/Symptoms: Some owners reported the vehicle entering “Turtle Mode” (reduced power) unexpectedly, even with sufficient battery charge. This is sometimes accompanied by error messages related to the powertrain.
  • Solution: A software update (Power Control Module - PCM) to improve battery management and prevent erroneous power reduction.
  • Estimated Cost to Fix: Covered under warranty
  • Recalls: 22V-408
• High Voltage Battery Junction Box Overheating
  • Description/Symptoms: Some owners have reported battery junction boxes overheating, possibly leading to reduced performance or failure.
  • Solution: Replacement of the battery junction box along with potentially other high voltage components, and subsequent software updates.
  • Estimated Cost to Fix: Covered under warranty
  • Recalls: 22V-408

Battery Pack

Standard Range (70 kWh)

• Contactors Overheating
  • Description/Symptoms: Contactors can overheat and cause a loss of power and/or inability to start the car. The car will give a “Stop Safely Now” error
  • Solution: Replacement of the contactors.
  • Estimated Cost to Fix: Covered under warranty
  • Recalls: 22V-408

Charging System

• DC Fast Charging Issues
  • Description/Symptoms: Inconsistent DC fast charging speeds or complete charging failures at public charging stations. This can manifest as slower-than-expected charging rates or the vehicle refusing to initiate a charging session.
  • Solution: Software updates to improve communication with charging stations. In some cases, replacing the charging port or related components.
  • Estimated Cost to Fix: Covered under warranty (if the issue is with the vehicle). Charging station issues are unrelated.
  • Recalls: None Found

Electrical System

• 12V Battery Drain
  • Description/Symptoms: The 12V battery draining unexpectedly, especially when the vehicle is left unused for a few days. This can lead to the vehicle being unable to start or function correctly.
  • Solution: Software updates to optimize battery management and prevent unnecessary drain. Some owners have found success by limiting features that draw power when the vehicle is off (e.g., connected services). Replacement of the 12V battery if it is found to be faulty.
  • Estimated Cost to Fix: $100 - $300+ (depending on battery replacement and diagnostic fees if out of warranty).
  • Recalls: None Found
• Software Glitches/Sync 4 Issues
  • Description/Symptoms: Freezing, lagging, or crashing of the Sync 4 infotainment system. This can affect navigation, audio, climate control, and other vehicle functions.
  • Solution: Software updates released by Ford to address bugs and improve system stability. Performing a system reset may also temporarily alleviate the issue.
  • Estimated Cost to Fix: Covered under warranty.
  • Recalls: None Found

Exterior

• Panoramic Sunroof Issues
  • Description/Symptoms: Some owners reported cracking and leaks.
  • Solution: Replacement of the sunroof.
  • Estimated Cost to Fix: Covered under warranty.
  • Recalls: None Found
• Tail Light Issues
  • Description/Symptoms: Some owners reported cracking and leaks in the rear taillight assembly.
  • Solution: Replacement of the taillight.
  • Estimated Cost to Fix: Covered under warranty.
  • Recalls: None Found

Interior

• Wind Noise
  • Description/Symptoms: Excessive wind noise coming from the doors and windows.
  • Solution: Adjustment of the seals and replacement of the seals.
  • Estimated Cost to Fix: Covered under warranty.
  • Recalls: None Found

Summary

The 2021 Ford Mustang Mach-E, while praised for its performance and styling, has faced several common issues, primarily related to its electrical systems and software. The most concerning relate to reduced power modes and charging issues, which can significantly impact usability. Many of the reported issues are addressed through software updates or warranty repairs. Although some issues like software glitches and build quality concerns can be frustrating, the potential cost of the most serious repairs (battery or charging system components) is generally covered under warranty.