Toyota service campaign 24TC05
What it saysThe Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. NHTSA’s full summary ↓
Toyota filed this with NHTSA as a service campaign dated Oct 10, 2024, received Nov 6, 2024, about the electrical system — 7 documents under this number. It names 3 model years (2023–2024). A service campaign is not a safety recall — there is no NHTSA campaign number and no federal requirement — but it is usually work the manufacturer pays for on the vehicles it names; the dealer checks the VIN against the manufacturer’s list.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationThe Engine Control Computer software has a programing error which can cause the exhaust variable valve timing (VVT) locking pin to temporarily get stuck. When this happens, an engine malfunction indicator lamp (MIL) can appear on the dashboard as well as diagnostic trouble code (DTC), P05CE00 to be set.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 24TC05 | Service bulletin | Oct 10, 2024 | 11010336 | not found |
| 24TC05 | Service campaign | Sep 19, 2024 | 11010087 | |
| 24TC05 | Other | Sep 19, 2024 | 11010086 | |
| 24TC05 | Service bulletin | Sep 18, 2024 | 11010076 | |
| 24TC05 | Service campaign | Sep 18, 2024 | 11010075 | |
| 24TC05 | Service campaign | Sep 17, 2024 | 11010074 | |
| 24TC05 | Other | Sep 17, 2024 | 11010073 |
What the document itself lists
Part the bulletin names
| Part number | Description | Qty |
|---|---|---|
| 00410-92007 | — | — |
Labour operation and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 24TC05R1 | Update Engine Control ECU Software | 0.8 hrs |
Read by machine from the document NHTSA serves (10 pages), read Sep 30, 2026. A part number is shown only where it matches Toyota’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote.
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 3 model years this bulletin names have filed 488 complaints with NHTSA since 2015. 80 of them name Engine, Electrical System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
The contact owns a 2024 Toyota Grand Highlander Hybrid. The contact stated while accelerating from a complete stop, the vehicle failed to respond within 2-3 seconds and was nearly T-boned by another vehicle. The contact stated that the failure had been recurring intermittently while accelerating from a complete stop.
2024 Toyota Grand Highlander · Engine · filed with NHTSA Jun 18, 2025 · ODI 11667636
The contact owns a 2023 Toyota Highlander Hybrid. The contact stated that while depressing the brake pedal, there was a hesitation, and the vehicle surged forward before coming to a stop. There were no warning lights illuminated.
2023 Toyota Highlander · Electrical System · filed with NHTSA Aug 28, 2024 · ODI 11611346
My 12.3” display screen goes really dark and I have to restart vehicle to reset
2024 Toyota Highlander · Electrical System · filed with NHTSA Mar 12, 2026 · ODI 11723811
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the electrical system
Source: same model, same component group47 other manufacturer communications filed against these Toyota models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Toyota list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 22TE09 | Warranty extension | May 14, 2026 | Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36… |
| T-SB-0021-26 | Service bulletin | Mar 18, 2026 | Some 2020 – 2024 model year Highlander and Highlander Hybrid vehicles may exhibit a condition in which the air conditioner does not cool due… |
| T-SB-0106-22 OBSOLETE | Service bulletin | Jan 30, 2026 | OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26. |
| T-SB-0001-26 | Service bulletin | Jan 28, 2026 | Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool… |
| T-SB-0083-25 | Service bulletin | Nov 7, 2025 | A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Cor… |
| 25TD01 | Service campaign | Sep 25, 2025 | The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, wat… |
| T-SB-0015-24 REV2 | Service bulletin | Sep 9, 2025 | A new head unit software update is available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mir… |
| T-TT-0790-25 | Service bulletin | Aug 20, 2025 | Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free. This is caused by the phone Hands Fre… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Toyota, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Toyota 24TC05 a recall?
No. A service campaign is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 24TC05 repair free?
A service campaign is usually paid by the manufacturer on the vehicles it names, within the terms and time limit the document sets; the dealer checks the VIN against the manufacturer’s list.
Which vehicles does 24TC05 cover?
The manufacturer filed it against 3 model years: 2024 Toyota Grand Highlander, 2024 Toyota Highlander, 2023 Toyota Highlander. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.