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Replacing the thermostat on your 2022-2025 Toyota Tundra is crucial if you're experiencing overheating, poor heater performance, or erratic temperature gauge readings. This DIY repair can save you significant labor costs, with parts costing between $50-$80 compared to $200-$300 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently in a couple of hours. DIY Cost: $50-$80 | Shop Cost: $200-$300
Innova operates one of the world's largest automotive diagnostic databases. It's built on real-world scan data from millions of vehicles on the road, combined with OEM repair information licensed directly from vehicle manufacturers.

Replacing the thermostat on your 2022-2025 Toyota Tundra is crucial if you're experiencing overheating, poor heater performance, or erratic temperature gauge readings. This DIY repair can save you significant labor costs, with parts costing between $50-$80 compared to $200-$300 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently in a couple of hours. DIY Cost: $50-$80 | Shop Cost: $200-$300
You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.
If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.