Section 490 (Airbag System (2020-Early 2023, TMMMS) - Diagnostic Codes (4 Of 4) & Symptom Tests)
WARNING: This page is about a different car, the 2023 Toyota GR Corolla, 2023 Toyota Corolla, 2022 Toyota Corolla, 2021 Toyota Corolla, and 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- AIRBAG SYSTEM (for TMMMS Made)
- DTC B1820: Short in Side Squib (RH) Circuit; DTC B1821: Open in Side Squib (RH) Circuit; DTC B1822: Short in Side Squib (RH) Circuit (to Ground); DTC B1823: Short in Side Squib (RH) Circuit (to +B) [09/2022 - 11/2022]
- DTC B1825: Short in Side Squib (LH) Circuit; DTC B1826: Open in Side Squib (LH) Circuit; DTC B1827: Short in Side Squib (LH) Circuit (to Ground); DTC B1828: Short in Side Squib (LH) Circuit (to +B) [03/2019 - 09/2022]
- DTC B1825: Short in Side Squib (LH) Circuit; DTC B1826: Open in Side Squib (LH) Circuit; DTC B1827: Short in Side Squib (LH) Circuit (to Ground); DTC B1828: Short in Side Squib (LH) Circuit (to +B) [09/2022 - 11/2022]
- DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [03/2019 - 09/2022]
- DTC B1830: Short in Curtain Shield Airbag (RH) Squib Circuit; DTC B1831: Open in Curtain Shield Airbag (RH) Squib Circuit; DTC B1832: Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground); DTC B1833: Short in Curtain Shield Airbag (RH) Squib Circuit (to +B) [09/2022 - 11/2022]
- DTC B1835: Short in Curtain Shield Airbag (LH) Squib Circuit; DTC B1836: Open in Curtain Shield Airbag (LH) Squib Circuit; DTC B1837: Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground); DTC B1838: Short in Curtain Shield Airbag (LH) Squib Circuit (to +B) [03/2019 - 09/2022]
- DTC B1835: Short in Curtain Shield Airbag (LH) Squib Circuit; DTC B1836: Open in Curtain Shield Airbag (LH) Squib Circuit; DTC B1837: Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground); DTC B1838: Short in Curtain Shield Airbag (LH) Squib Circuit (to +B) [09/2022 - 11/2022]
- DTC B1850: Short in Rear Side Squib RH Circuit; DTC B1851: Open in Rear Side Squib RH Circuit; DTC B1852: Short to GND in Rear Side Squib RH Circuit; DTC B1853: Short to B+ in Rear Side Squib RH Circuit [04/2020 - 09/2022]
- DTC B1850: Short in Rear Side Squib RH Circuit; DTC B1851: Open in Rear Side Squib RH Circuit; DTC B1852: Short to GND in Rear Side Squib RH Circuit; DTC B1853: Short to B+ in Rear Side Squib RH Circuit [09/2022 - 11/2022]
- DTC B1855: Short in Rear Side Squib LH Circuit; DTC B1856: Open in Rear Side Squib LH Circuit; DTC B1857: Short to GND in Rear Side Squib LH Circuit; DTC B1858: Short to B+ in Rear Side Squib LH Circuit [04/2020 - 09/2022]
- DTC B1855: Short in Rear Side Squib LH Circuit; DTC B1856: Open in Rear Side Squib LH Circuit; DTC B1857: Short to GND in Rear Side Squib LH Circuit; DTC B1858: Short to B+ in Rear Side Squib LH Circuit [09/2022 - 11/2022]
- DTC B1860: Short in Knee Airbag (D Side) Squib Circuit; DTC B1861: Open in Knee Airbag (D Side) Squib Circuit; DTC B1862: Short in Knee Airbag (D Side) Squib Circuit (to Ground); DTC B1863: Short in Knee Airbag (D Side) Squib Circuit (to +B) [03/2019 - 09/2022]
- DTC B1860: Short in Knee Airbag (D Side) Squib Circuit; DTC B1861: Open in Knee Airbag (D Side) Squib Circuit; DTC B1862: Short in Knee Airbag (D Side) Squib Circuit (to Ground); DTC B1863: Short in Knee Airbag (D Side) Squib Circuit (to +B) [09/2022 - 11/2022]
- DTC B1875: Short in Passenger Side Front Seat Cushion Squib Circuit; DTC B1876: Open in Passenger Side Front Seat Cushion Squib Circuit; DTC B1877: Short to GND in Passenger Side Front Seat Cushion Squib Circuit; DTC B1878: Short to B+ in Passenger Side Front Seat Cushion Squib Circuit [03/2019 - 09/2022]
- DTC B1875: Short in Passenger Side Front Seat Cushion Squib Circuit; DTC B1876: Open in Passenger Side Front Seat Cushion Squib Circuit; DTC B1877: Short to GND in Passenger Side Front Seat Cushion Squib Circuit; DTC B1878: Short to B+ in Passenger Side Front Seat Cushion Squib Circuit [09/2022 - 11/2022]
- DTC B1900: Short in P/T Squib (RH) Circuit; DTC B1901: Open in P/T Squib (RH) Circuit; DTC B1902: Short in P/T Squib (RH) Circuit (to Ground); DTC B1903: Short in P/T Squib (RH) Circuit (to +B) [03/2019 - 09/2022]
- DTC B1900: Short in P/T Squib (RH) Circuit; DTC B1901: Open in P/T Squib (RH) Circuit; DTC B1902: Short in P/T Squib (RH) Circuit (to Ground); DTC B1903: Short in P/T Squib (RH) Circuit (to +B) [09/2022 - 11/2022]
- DTC B1905: Short in P/T Squib (LH) Circuit; DTC B1906: Open in P/T Squib (LH) Circuit; DTC B1907: Short in P/T Squib (LH) Circuit (to Ground); DTC B1908: Short in P/T Squib (LH) Circuit (to +B) [03/2019 - 09/2022]
- DTC B1905: Short in P/T Squib (LH) Circuit; DTC B1906: Open in P/T Squib (LH) Circuit; DTC B1907: Short in P/T Squib (LH) Circuit (to Ground); DTC B1908: Short in P/T Squib (LH) Circuit (to +B) [09/2022 - 11/2022]
- DTC U0154: Lost Communication with Restraints Occupant Classification System Module [03/2019 - 11/2022]
- SRS Warning Light Remains ON [03/2019 - 09/2022]
- SRS Warning Light Remains ON [09/2022 - 11/2022]
- SRS Warning Light does not Come ON [03/2019 - 09/2022]
- SRS Warning Light does not Come ON [09/2022 - 11/2022]