How to Replace the 12V Battery — 2018-2025 Toyota Camry

Replacing the 12V battery in your 2018-2025 Toyota Camry is a straightforward task often needed due to a dead or weak battery causing slow cranking, dim lights, or failure to start. This DIY repair can save you money, costing around $100-$150 for parts compared to $200-$300 at a shop, and with the right tools and guidance, most DIYers can tackle it confidently in under an hour. DIY Cost: $100-$150 | 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.