I looked through the 2020 RAV4 owner’s manual and a bunch of NHTSA complaints, and it looks like the wording of the warning makes a big difference.
The normal maintenance reminders are “Maintenance Required Soon” and “Maintenance Required Visit Your Dealer.” The first usually comes on around 4,500 miles after the reminder was reset, and the second at around 5,000 miles. They’re just reminders that scheduled maintenance is due.
“Engine Maintenance Required,” though, is a different story. Owners of 2019–2021 RAV4s have reported getting this message because of a bad coolant bypass valve, sometimes called the coolant flow control valve. The code often mentioned is P2681. Some owners also say the warning only appears when the A/C is running.
One thing worth checking is whether the message appeared shortly after an oil change when the maintenance reminder was reset. If it did, it’s probably not just the regular service reminder.
As for driving with it, I wouldn’t ignore it. The valve affects coolant flow, and some owners have reported overheating when it fails. Keep an eye on the temperature gauge, and if it reaches the red “H,” pull over somewhere safe, shut the engine off, and let it cool completely. Don’t open the cooling system while it’s hot. I’d get it checked by a dealer as soon as possible.
Toyota also has a Customer Support Program for this issue, known as 24TE04. It’s a warranty extension, not a recall, and coverage reportedly depends on the vehicle’s VIN and eligibility requirements. The commonly reported limit is 10 years or 100,000 miles from the vehicle’s original in-service date, but not every RAV4 qualifies. Some owners have been denied coverage because of their mileage or VIN.
Before paying for the repair, I’d ask the dealer to check your VIN specifically against program 24TE04. If you’ve already paid for the repair and your vehicle was eligible at the time, it’s also worth asking Toyota about reimbursement.
Has anyone here actually had the bypass valve replaced under this program? I’d be interested to hear whether Toyota covered it and what mileage your RAV4 had at the time.
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