Recalls indicate a persistent risk of electrical fires stemming from issues with the intake heater grid relay. This can lead to shorts and potential ignition. Estimated repair cost: $500 - $2,500+.

Airbag System Malfunctions

Multiple recalls address potential failures in the airbag system, including side curtain airbags and the driver's side airbag deployment. Issues range from improper deployment to complete non-deployment. Estimated repair cost: $500 - $2,000+.

Electronic Stability Control (ESC) / ABS Module Issues

Numerous recalls target the ESC and ABS control modules, citing potential malfunctions and non-compliance with safety standards, such as the malfunction indicator light not illuminating. Estimated repair cost: $600 - $1,500+.

CARFOCALvehicle research

2021 Ram 3500 Maintenance guide

Name: Maintenance dataset for 2021 Ram 3500
Creator: Carfocal

v1.0Updated Jun 13, 2026Ethan Miller4 Sources Analyzed22 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Ram 3500 presents an average reliability score of 5.8, marked by a high recall count of 43, primarily concerning critical safety systems such as airbags and Electronic Stability Control. Despite zero consumer complaints, persistent electrical fire risks and potential airbag non-deployment issues warrant vigilant attention and adherence to recall remedies.

View Critical Issue: Electrical Fire Risk

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Reliability Score

Est. Annual Maintenance Cost

$300 - $500

TSBs & Recalls

87 TSBs | 43 Recalls

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Key Takeaways

Vigilance is required for potential electrical fire risks originating from the intake heater grid relay.
Airbag system integrity is paramount; ensure all related recalls are addressed.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance