Trailer Brake Control Module Malfunction

Failures in the trailer tow module can lead to loss of trailer braking functionality and lighting issues. This poses a significant safety risk when towing. Estimated repair cost: $300 - $800.

Exterior Lighting Failures (Brake/Turn Signals)

Issues with brake lights and turn signals can stem from faulty bulbs, wiring, or module problems, impacting vehicle visibility and safety. Estimated repair cost: $100 - $400.

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2026 Ram 3500 Maintenance guide

Name: Maintenance dataset for 2026 Ram 3500
Creator: Carfocal

v1.0Updated Jun 13, 2026Daniel Wilson4 Sources Analyzed5 Critical Recalls

MAINTENANCE SUMMARY

The 2026 Ram 3500 presents early-life reliability concerns, evidenced by 10 recalls and 148 TSBs, particularly affecting the instrument cluster and trailer brake control module. Proactive inspection and adherence to maintenance schedules are crucial for mitigating potential issues.

View Critical Issue: Instrument Cluster Display Failures

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Reliability Score

Est. Annual Maintenance Cost

$700 - $1200

TSBs & Recalls

148 TSBs | 10 Recalls

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Key Takeaways

Focus on electrical system and trailer integration components for potential issues.
Prioritize recall completion, especially for brake and trailer systems.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance