2023 Toyota GR Corolla technical service bulletins
65 technical service bulletins and manufacturer communications cover the 2023 Toyota GR Corolla.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the...
- Condition in which a musty odor is present
- 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...
- Obsolete notice
- The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master...
- Obsolete notice
- Some 2021 – 2025 model year Toyota vehicles may require the download and installation of vehicle specific...
- When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to...
- Obsolete notice
- 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 the remote climate system is inoperative after the vehicle has been off for three hours...
- Condition in which a musty odor is present
- Obsolete notice
- The Data Communication Module (DCM), which supports Toyota Connected Services in your vehicle, may not...
- Technical instructions for special service campaign 24TC03 data communicaton module (DCM) update certain...
- Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal...
- 2023 – 2024 model year Toyota GR Corolla vehicles can exhibit a condition where an emergency/SOS call is...
- Some 2021 – 2024 model year Toyota vehicles may require the download and installation of vehicle specific...
- Customers have expressed concerns about the performance of Qi Wireless Chargers
- When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to...
- 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...
- MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs): ? P25B372 ?...
- 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...
- Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the...
- Some 2023 ? 2024 model year Toyota vehicles use hub bolts in place of studs/nuts to fasten the wheels to...
- One or more of the following conditions: ?Head unit rebooting (does not affect backup camera)
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