Toyota Tacoma Transmission Issues: What Owners and Shoppers Should Know

Some early 2024 Toyota Tacoma owners are facing a serious problem: their transmissions can fail before the first oil change, sometimes while merging onto a highway with a trailer. The issue, outlined in a Toyota Technical Service Bulletin (TSB), affects a specific range of VINs and involves erratic shifting and fault codes linked to stuck pressure control solenoids.

Toyota has authorized dealers to replace the entire 8-speed automatic transmission and torque converter on affected trucks. The bulletin also notes that some units left the factory underfilled with transmission fluid by about 200 to 400 milliliters, leaving an air pocket that can cause overheating and accelerated wear.

Technicians are now checking oil pans for metallic debris as part of the diagnosis.

This is a TSB, not a safety recall, meaning Toyota is not required to proactively contact owners. A class-action lawsuit filed in November 2024 alleges fraudulent concealment and warranty breach, with out-of-warranty replacements costing between $9,000 and $13,000. Owner communities estimate about 41,000 trucks fall within the affected VIN window, though Toyota has said fewer than a few thousand are involved.

For those considering a used 2024 Tacoma, experts advise checking the VIN against Toyota's list, asking if the TSB work was completed, and having a technician inspect the transmission pan for debris. Buying a model with the six-speed manual transmission avoids the issue entirely, as it only affects automatics.