High Voltage Battery Junction Box (HVBJB) Failure

Sudden loss of propulsion, power steering, and brakes due to HVBJB failure. This is a critical safety concern and a primary driver of the 'Below Average' reliability verdict. Failures have been reported at various mileages, including early in the vehicle's life. Estimated repair cost: $1,500 - $3,500.

Electrical System Issues

The most common complaint category, including issues with the 12V battery, charging system, and various control modules. These can lead to unpredictable behavior and complete power loss. Estimated repair cost: $200 - $1,000.

While less frequent than electrical problems, powertrain complaints include issues related to power delivery and vehicle speed control. Estimated repair cost: $500 - $7,000.

Door Latch Malfunctions

Recalls have addressed door latch issues, which can compromise occupant safety. Estimated repair cost: $100 - $300.

2022 Ford Mustang Mach-E Maintenance guide

Name: Maintenance dataset for 2022 Ford Mustang Mach-E
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2022 Ford Mustang Mach-E requires diligent attention to its electrical system, particularly the High Voltage Battery Junction Box (HVBJB), which is prone to critical failures. Owners must verify that recalls related to the HVBJB have been addressed with physical component replacement.

View Critical Issue: Powertrain Issues

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Reliability Score

Est. Annual Maintenance Cost

$300 - $700

TSBs & Recalls

35 TSBs | 87 Recalls

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Key Takeaways

The High Voltage Battery Junction Box (HVBJB) is the primary concern, with failures causing sudden loss of propulsion, steering, and braking. Verify physical replacement remedies for relevant recalls.
Electrical system issues are the most frequent complaints, encompassing the HVBJB, 12V battery, and charging system. Regular inspections are advised.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance