2020 Toyota Corolla Hatchback technical service bulletins
160 technical service bulletins and manufacturer communications cover the 2020 Toyota Corolla Hatchback, including 6 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or...
- Customer support program 24TE04
- Obsolete notice
- Obsolete notice
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- Condition in which a musty odor is present
- The specific condition covered by this program is for a small engine coolant leak that can occur from the...
- Condition in which an “Engine Maintenance Required” message is displayed in the Multi-Information Display...
- The air conditioning dye injection tool kit has been developed to aid in identifying the location of air...
- To assist with the early detection and early resolution of audio related concerns you may be asked to...
- Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- 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...
- Some technicians may report an engine oil leak from the Engine Oil Level Sensor area
- 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...
- Customers have expressed concerns about the performance of Qi Wireless Chargers
- Obsolete notice
- This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life...
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System...
- One or more of the following conditions: ?Milky/discolored engine oil
- TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having...
- 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...
- TT: Some Model Year 2018-2023 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the...
- Hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC...
- TT: To assist with the early detection and early resolution of audio related concerns, it may be requested...
- Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System,...
- Condition in which a musty smell is present
- TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the...
- 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: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or...
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- TT: To improve customer support of telematics connected services features, additional resources have been...
- TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a...
- 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...
- One or more of the following conditions: ?Milky/Discolored engine oil
- Obsolete notice
- 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,...
- Parking Brake Malfunction warning message on the Multi-information Display (MID) with Diagnostic Trouble...
- Condition where the HVAC evaporator drain hose has become obstructed with an insect nest
- Updates to the 2014-2021 toyota universal flat rate manual
- One or more of the following conditions: ?Intermittent blank screen
- This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode?...
- 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...
- TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating...
- Sloshing or splashing noise when turning at low speeds or when opening and closing doors
- TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating...
- TT: During recent discharged battery cases on vehicles equipped with LG DCM, there was confusion if a DCM...
- TT: HVAC drain tube is found to be blocked/clogged.
- 2020 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat...
- Tt: a 12V
- Obsolete notice
- Obsolete notice
- TT: The new DCA-8000 Diagnostic Charger may
- TT: Repairing a 1234YF HVAC system on a gas powered (non-hybrid) Toyota vehicle may require additional...
- One or more of the following conditions: ?DTC B15A804 is present in current or history
- TT: Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during...
- TT: The microphone circuit passes through the DCM before reaching the radio/navigation system
- TT: The blind spot monitor (BSM) sensor angle inspection is used to confirm that the BSM sensor is within...
- Supersession notice
- Condition in which the Toyota app does not accept the activation code and/or becomes inoperative, and/or...
- Safety Recall and Service Campaign
- Naturally occurring odors emitted from the HVAC system and/or related environmental factors
- Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery
- Condition in which the Remote Connect app does not accept the activation code and/or becomes inoperative,...
- An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio...
- TT: Some new vehicles may experience the SOS/Telematics functions inoperative during Pre-Delivery...
- TT: Some 2020 model year Camry, Camry HV and Corolla Hatchback vehicles equipped with a DCM may exhibit a...
- Some 2018
- Revision notice
- Revision notice
- TT: When repairing a 1234YF HVAC system on a gas powered (Non-Hybrid) Toyota and the addition of...
- TMNA Accessory Sales and Marketing has developed a Toyota paint protection film (PPF) decal (treated with...
- TT: Some customers may experience an Entune? update pop-up message after every key cycle.
- TT: The new 12V Battery Warranty Testers (DSS-5000 & DCA-8000) require certain information to generate a...
- Revision notice
- Revision notice
- Tt: 1.
- Revision notice
- TT: Alignment specifications for some 2019 and 2020 new model vehicles have been updated and are...
- TT: Some 2020 model year Japan built Corolla vehicles may exhibit a condition where the battery may become...
- TT: The current engine active test ?Control the Injection Mode? is not operating as desired when...
- Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers
- Hybrid vehicles are equipped with two types of batteries: ? Hybrid Vehicle (HV) battery ? Auxiliary (12V)...
- A battery in a stored vehicle is subject to conditions that can reduce its performance and life
- An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Entune? 3.0...
- During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce...
- Front emergency towing eyelets installed to aid in transportation
- Replacement vin plates.
- Product general information.
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