Powertrain Control Module (PCM) Failure

Some 2018 Ram 1500 models have experienced issues with the Powertrain Control Module (PCM), leading to critical failures such as engine stalling or a complete no-start condition. This is often linked to electrical system faults or software issues. Estimated repair cost: $800 - $1,500.

Unaddressed Airbag Inflator Recalls

Numerous recalls have been issued for airbag inflators, specifically curtain inflators, due to potential rupture upon deployment. This poses a severe safety risk to occupants. Estimated repair cost: Free (Recall Service).

Cruise Control System Malfunction

A recall addressed a software issue in the cruise control system that could lead to unintended acceleration or inability to disengage. While a software flash is the remedy, owners were advised to cease usage until repaired. Estimated repair cost: $200 - $600.

2018 Ram 1500 Maintenance guide

Name: Maintenance dataset for 2018 Ram 1500
Creator: Carfocal

v1.0Updated Jun 13, 2026Ryan Davis4 Sources Analyzed14 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Ram 1500, despite a 'Below Average' reliability verdict, exhibits a notable pattern of critical powertrain control module failures that can lead to stalling or no-start conditions. Owners should prioritize addressing all outstanding recalls, especially for airbag inflators, and be diligent with maintenance to mitigate issues indicated by a high number of technical service bulletins.

View Critical Issue: Automatic Transmission and Axle Assembly Issues

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Reliability Score

Est. Annual Maintenance Cost

$12,300

TSBs & Recalls

185 TSBs | 24 Recalls

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Key Takeaways

The 2018 Ram 1500 has a 'Below Average' reliability verdict, largely influenced by numerous critical recalls and a high volume of technical service bulletins.
Owners must prioritize completing all outstanding recalls, especially those related to airbag inflators and powertrain control module issues, to ensure safety and vehicle operability.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance