Electrical System Malfunctions

A range of electrical issues have been noted, including problems with audio systems, turn signals, HVAC controls, and seatbelt warning chimes. More concerning are reports of safety features like airbags failing during low-speed impacts. Estimated repair cost: $300 - $800.

Forward Collision Avoidance System Faults

While less frequent, issues with the forward collision avoidance system have been reported, potentially impacting the vehicle's ability to detect obstacles or alert the driver. Estimated repair cost: $500 - $1,500.

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2021 Cadillac XT4 Maintenance guide

Name: Maintenance dataset for 2021 Cadillac XT4
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2021 Cadillac XT4, with an average reliability verdict, requires vigilant attention to its fuel and electrical systems. Owners should prioritize inspections for fuel pump control module issues, which can cause stalling, and electrical system gremlins affecting various components.

View Critical Issue: Fuel Pump Control Module Failure

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

74 TSBs | 2 Recalls

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Key Takeaways

The 2021 Cadillac XT4 has an 'Average' reliability verdict, with notable concerns in its electrical and fuel systems.
Fuel pump control module failures leading to stalling are a critical issue reported by owners.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance