2018 Toyota Highlander technical service bulletins
253 technical service bulletins and manufacturer communications cover the 2018 Toyota Highlander.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Condition in which a musty odor is present
- Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical...
- To prevent brake rotor rust from forming during transportation and storage, wheel film will be used...
- The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad...
- Condition in which a musty odor is present
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- TT: A very small percentage of customers experience operational difficulties with some telematics features...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- DP: Although the high-pressure fuel pump is covered by Toyota?s New Vehicle Limited Warranty for 5 years...
- Knocking noise from the vacuum pump at idle.
- Hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC...
- DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the...
- Knocking noise from the vacuum pump at idle
- DL: Toyota has received reports of paint peeling on certain vehicles with the original factory-applied...
- Condition in which a musty smell is present
- CSP: Customer Support Program ZKG ? Paint Repair Process
- Ti: technical instructions
- TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the...
- TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s)...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- One or more of the following conditions: ?Head unit reboots at a specific location
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- Obsolete notice
- One or more of the following conditions: ?Head unit reboots at a specific location
- CSP: Customer Support Program ZKG
- TI: Technical Instructions Customer Support Program ZKG Multiple Models and Model Years Vehicles Painted...
- DD: Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint...
- TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G...
- TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a...
- TT: Some 2017-2022 Highlander, and 2017-2020 Sienna vehicles may experience an engine oil leak condition...
- TT: The purpose of this Tech Tip is to provide diagnostic tips to prevent misdiagnosis of the following...
- TT: When customers have a concern about a discharged battery, no start, or general battery concern, the...
- TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire...
- POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground...
- TT: Some customers may experience echoing on the line calling the vehicle when using Bluetooth Hands Free
- TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone
- TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera,...
- Condition where the HVAC evaporator drain hose has become obstructed with an insect nest
- TT: Some 2014-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a...
- MIL ON condition with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. The Engine Control Module...
- Updates to the 2014-2021 toyota universal flat rate manual
- Whine noise while driving, a harsh shift, MIL ON, or reduced power
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- Obsolete notice
- Toyota Safety Recall and Service Campaign
- TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a...
- Paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are...
- Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN...
- Flex lock-up concern and MIL ON with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. Vehicles that...
- When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term: Powertrain...
- Vibration from the front brakes during light application of the brake pedal at highway speeds
- TT: HVAC drain tube is found to be blocked/clogged.
- This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for...
- Excessive buildup of dust, lint, or debris in the HV battery intake filter or cooling fan
- TT: The Toyota Quality group is looking to better understand our customers expectation regarding vehicle...
- MIL ON condition with Diagnostic Trouble Codes (DTCs) P0A80/P1AC000 and/or P0A7F/P1A8000 stored due to...
- TT: The new DCA-8000 Diagnostic Charger may
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system
- TT: This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV)...
- TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within...
- Obsolete notice
- TT: Some customers who have upgraded their iPhone® to iOS13 are experiencing a condition where the...
- Supersession notice
- TT: Some 2014-2020 model year Highlander and Highlander HV vehicles are equipped with alloy wheels that...
- TT: Some vehicles may experience a ?New software is not compatible with the system.? Pop-up while...
- Region Email: The involved vehicles are equipped with an engine oil cooling system
- Dealer Email: The involved vehicles are equipped with an engine oil cooling system
- Region Letter: The involved vehicles are equipped with an engine oil cooling system
- Dealer Package: The involved vehicles are equipped with an engine oil cooling system
- Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 19TC04 OIL COOLER PIPE CERTAIN...
- Frequently Asked Questions
- Dealer Daily Message: Dealer Letter and Technical Instructions Available on TIS Certain 2017 ? 2019 Model...
- Dealer Message: Parts Hotwire
- Vehicles may display evidence of a fluid leak or fluid seep from powertrain components
- TT: Currently under investigation
- TT: In certain cases of leaking air conditioning systems, the root
- Supersession notice
- Obsolete notice
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active after...
- Revision notice
- TT: Some 2018-2020 model year UA80/UB80 transmission equipped models may experience a leak from the...
- MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ? P0301 ? Cylinder 1...
- TT: Some customers may encounter Bluetooth® connectivity concerns such as: ? Difficulty to pair the phone
- TT: Some customers may experience poor outgoing Bluetooth sound quality, this can occur for various reasons
- TT: Some customers may experience a rattle noise from the roof area while driving at highway speeds, on...
- TT: Some 2017, 2018 and 2019 model year Highlanders are equipped with an engine Stop & Start system
- Customer Support Program Bulletin: Toyota has received reports indicating potential symptoms, such as a...
- Supersession notice
- Revision notice
- One or more of the following conditions
- TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a...
- TT: Some vehicles may have a U0110 DTC.
- Region Email: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Dealer Email: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Dealer Packet: Toyota has received reports about potential symptoms, such as a whine noise from the...
- Technician Certification Requirements.
- TT: Some Highlander and Sienna clad/chrome wheels might experience bubbling and/or peeling off on the...
- Knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline
- Revision notice
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system
- Revision notice
- TT: The current engine active test ?Control the Injection Mode? is not operating as desired when...
- Safety Recall and Service Campaign
- Whine noise while driving, a harsh shift, MIL ON, or reduced power
- TT: When adjusting the Forward Recognition Camera on vehicles with Toyota Safety Sense, it can be...
- Revision notice
- Revision notice
- Dealer Package: Due to an administrative error in the previous J0E campaign documentation, the flat rate...
- Dealer Letter: UPDATED Dealer Letter Available on TIS. Vehicle Window Sticker (Monroney Label) ? The...
- Condition where the power back door (PBD) makes a squeak noise while the door is opening or closing
- Obsolete notice
- Revision notice
- Revision notice
- Vibration from the front brakes during light application of the brake pedal at highway speeds
- Engine oil leak from the cam sensor bolt hole(s). Follow the Repair Procedure in
- Supersession notice
- MIL ?ON? condition with Diagnostic Trouble Code (DTC) P3190 (Poor Engine Power)
- Safety Recall and Service Campaign
- Revision notice
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active
- Revision notice
- The vehicle's Monroney label with incorrect values will be replaced with a corrected label.
- Obsolete notice
- Region Email: Vehicle Window Sticker (Monroney Label)
- Region Letter: Vehicle Window Sticker (Monroney Label)
- Dealer Email: Vehicle Window Sticker (Monroney Label)
- Dealer Daily Message: Owner Notification
- Due to a clerical error, there are incorrect values in the Fuel Economy and Environment section of the...
- Revision notice
- Revision notice
- Revision notice
- Revision notice
- The purpose of this Service Bulletin is to elevate awareness and provide best practices for leather and...
- TT: Some vehicles may experience a condition in which the LH or RH front door outside molding exhibits a...
- Supersession notice
- TT: For some repairs on 2017-2018 Sienna and Highlander and 2018 Camry vehicles equipped with the 8-speed...
- When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term: Powertrain...
- Some customers may complain of the inability to use certain functions of the navigation/infotainment...
- Revision notice
- Brake vibration due to improper lug nut torque
- Revision notice
- Vehicle replacement certification labels (the vinyl label installed on the driver door or door post) and...
- 2018 Pre-Delivery Service Check Sheet.
- Pre-Delivery Service (PDS) is a critical step in satisfying your dealership?s new car customers
- Revision notice
- TT: Safety Connect is a vehicle option which requires a subscription fee for the system to be active
- TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added...
- TT: Rev2 Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message
- Hybrid vehicles are equipped with 2 types of batteries: ? Hybrid Vehicles (HV) battery
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- A battery in a stored vehicle is subject to conditions that can reduce its performance and life
- During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- 2018 model year vehicles are equipped with driver?s side floor mat retaining clips to secure the floor mat...
- TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or...
- Some 2018 model year vehicles are equipped with a Smart Key system, which allows the customer to enter and...
- TT: Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message
- Update on Technician Certification Requirements.
- Replacement vin plates.
- Product general information.
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