Transmission Control Module (TCM) Software Glitch

Incorrect software in the TCM can lead to various transmission performance issues, including harsh shifting, reduced power, unintended deceleration, or even unintended vehicle movement. This was addressed by a recall. Estimated repair cost: $150 - $300 (Software Update).

Structure Related Issues

A single complaint was logged under 'STRUCTURE', indicating potential concerns with the vehicle's body or chassis integrity. Specific details are limited, but it warrants attention. Estimated repair cost: $500 - $2000+.

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2022 GMC Savana Maintenance guide

Name: Maintenance dataset for 2022 GMC Savana
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2022 GMC Savana, with an average reliability verdict, demands attention to its electrical system and powertrain control module. Two recalls highlight potential issues: rear HVAC blower motor corrosion and transmission control module software.

View Critical Issue: Rear HVAC Blower Motor Circuit Corrosion

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

75 TSBs | 2 Recalls

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Key Takeaways

Average reliability rating requires proactive maintenance.
Address HVAC blower motor circuit corrosion recall promptly.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance