Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnostic Trouble Code Chart

B1160

Airbag ECU Malfunction1

Comes on

Does not apply to test/check mode

B1161

Airbag ECU Malfunction2

Comes on

Does not apply to test/check mode

B1162

Airbag ECU Malfunction3

Comes on

Does not apply to test/check mode

B1163

Airbag ECU Malfunction4

Comes on

Does not apply to test/check mode

B1164

Airbag ECU Malfunction5

Comes on

Does not apply to test/check mode

B1165

Airbag ECU Malfunction6

Comes on

Does not apply to test/check mode

B1166

Airbag ECU Malfunction7

Comes on

Does not apply to test/check mode

B1167

Airbag ECU Malfunction8

Comes on

Does not apply to test/check mode

B1610

Front Airbag Sensor (RH)

Comes on

Does not apply to test/check mode

B1612

Front Airbag Sensor Lost Communication (RH)

Comes on

Does not apply to test/check mode

B1613

Front Airbag Sensor Initialization Error (RH)

Comes on

Does not apply to test/check mode

B1615

Front Airbag Sensor (LH)

Comes on

Does not apply to test/check mode

B1617

Front Airbag Sensor Lost Communication (LH)

Comes on

Does not apply to test/check mode

B1618

Front Airbag Sensor Initialization Error (LH)

Comes on

Does not apply to test/check mode

B162A

Side Airbag Sensor Assembly No.2 (RH)

Comes on

Does not apply to test/check mode

B162B

Side Airbag Sensor Assembly No.2 Lost Communication (RH)

Comes on

Does not apply to test/check mode

B162C

Side Airbag Sensor Assembly No.2 Initialization Error (RH)

Comes on

Does not apply to test/check mode

B1630

Curtain Shield Airbag Sensor (RH)

Comes on

Does not apply to test/check mode

B1632

Curtain Shield Airbag Sensor Lost Communication (RH)

Comes on

Does not apply to test/check mode

B1633

Curtain Shield Airbag Sensor Initialization Error (RH)

Comes on

Does not apply to test/check mode

B1635

Curtain Shield Airbag Sensor (LH)

Comes on

Does not apply to test/check mode

B1637

Curtain Shield Airbag Sensor Lost Communication (LH)

Comes on

Does not apply to test/check mode

B1638

Curtain Shield Airbag Sensor Initialization Error (LH)

Comes on

Does not apply to test/check mode

B163A

Side Airbag Sensor Assembly No.2 (LH)

Comes on

Does not apply to test/check mode

B163B

Side Airbag Sensor Assembly No.2 Lost Communication (LH)

Comes on

Does not apply to test/check mode

B163C

Side Airbag Sensor Assembly No.2 Initialization Error (LH)

Comes on

Does not apply to test/check mode

B1650

Occupant Classification System Malfunction

Comes on

Does not apply to test/check mode

B1653

Driver Side Seat Position Sensor

Comes on

Does not apply to test/check mode

B1656

Seat Belt Buckle Switch (LH)

Comes on

Does not apply to test/check mode

B165A

Occupant Detection Sensor Zero Point Calibration Incomplete

Comes on

Does not apply to test/check mode

B1660

P Seat Airbag Active Mode Indicator

Comes on

Does not apply to test/check mode

B166B

Front Door Pressure Sensor RH Circuit Range/Performance

Comes on

Does not apply to test/check mode

B166C

Front Door Pressure Sensor RH

Comes on

Does not apply to test/check mode

B166D

Lost Communication with Front Door Pressure Sensor RH

Comes on

Does not apply to test/check mode

B166E

Front Door Pressure Sensor RH Initialization Incomplete

Comes on

Does not apply to test/check mode

B166F

Front Door Pressure Sensor Threshold Malfunction (RH)

Comes on

Does not apply to test/check mode

B167A

Front Door Pressure Sensor LH

Comes on

Does not apply to test/check mode

B167B

Lost Communication with Front Door Pressure Sensor LH

Comes on

Does not apply to test/check mode

B167C

Front Door Pressure Sensor LH Initialization Incomplete

Comes on

Does not apply to test/check mode

B167E

Front Door Pressure Sensor Threshold Malfunction (LH)

Comes on

Does not apply to test/check mode

B167F

Front Door Pressure Sensor LH Circuit Range/Performance

Comes on

Does not apply to test/check mode

B1800

Short in D Squib Circuit

Comes on

Applies to check mode

B1801

Open in D Squib Circuit

Comes on

Applies to check mode

B1802

Short in D Squib Circuit (to Ground)

Comes on

Applies to check mode

B1803

Short in D Squib Circuit (to +B)

Comes on

Applies to check mode

B1805

Short in P Squib Circuit

Comes on

Applies to check mode

B1806

Open in P Squib Circuit

Comes on

Applies to check mode

B1807

Short in P Squib Circuit (to Ground)

Comes on

Applies to check mode

B1808

Short in P Squib Circuit (to +B)

Comes on

Applies to check mode

B1810

Short in D Squib (Dual Stage - 2nd Step) Circuit

Comes on

Applies to check mode

B1811

Open in D Squib (Dual Stage - 2nd Step) Circuit

Comes on

Applies to check mode

B1812

Short in D Squib (Dual Stage - 2nd Step) Circuit (to Ground)

Comes on

Applies to check mode

B1813

Short in D Squib (Dual Stage - 2nd Step) Circuit (to +B)

Comes on

Applies to check mode

B1815

Short in P Squib (Dual Stage - 2nd Step) Circuit

Comes on

Applies to check mode

B1816

Open in P Squib (Dual Stage - 2nd Step) Circuit

Comes on

Applies to check mode

B1817

Short in P Squib (Dual Stage - 2nd Step) Circuit (to Ground)

Comes on

Applies to check mode

B1818

Short in P Squib (Dual Stage - 2nd Step) Circuit (to +B)

Comes on

Applies to check mode

B1820

Short in Side Squib (RH) Circuit

Comes on

Applies to check mode

B1821

Open in Side Squib (RH) Circuit

Comes on

Applies to check mode

B1822

Short in Side Squib (RH) Circuit (to Ground)

Comes on

Applies to check mode

B1823

Short in Side Squib (RH) Circuit (to +B)

Comes on

Applies to check mode

B1825

Short in Side Squib (LH) Circuit

Comes on

Applies to check mode

B1826

Open in Side Squib (LH) Circuit

Comes on

Applies to check mode

B1827

Short in Side Squib (LH) Circuit (to Ground)

Comes on

Applies to check mode

B1828

Short in Side Squib (LH) Circuit (to +B)

Comes on

Applies to check mode

B1830

Short in Curtain Shield Airbag (RH) Squib Circuit

Comes on

Applies to check mode

B1831

Open in Curtain Shield Airbag (RH) Squib Circuit

Comes on

Applies to check mode

B1832

Short in Curtain Shield Airbag (RH) Squib Circuit (to Ground)

Comes on

Applies to check mode

B1833

Short in Curtain Shield Airbag (RH) Squib Circuit (to +B)

Comes on

Applies to check mode

B1835

Short in Curtain Shield Airbag (LH) Squib Circuit

Comes on

Applies to check mode

B1836

Open in Curtain Shield Airbag (LH) Squib Circuit

Comes on

Applies to check mode

B1837

Short in Curtain Shield Airbag (LH) Squib Circuit (to Ground)

Comes on

Applies to check mode

B1838

Short in Curtain Shield Airbag (LH) Squib Circuit (to +B)

Comes on

Applies to check mode

B1850

Short in Rear Side Squib RH Circuit

Comes on

Applies to check mode

B1851

Open in Rear Side Squib RH Circuit

Comes on

Applies to check mode

B1852

Short to GND in Rear Side Squib RH Circuit

Comes on

Applies to check mode

B1853

Short to B+ in Rear Side Squib RH Circuit

Comes on

Applies to check mode

B1855

Short in Rear Side Squib LH Circuit

Comes on

Applies to check mode

B1856

Open in Rear Side Squib LH Circuit

Comes on

Applies to check mode

B1857

Short to GND in Rear Side Squib LH Circuit

Comes on

Applies to check mode

B1858

Short to B+ in Rear Side Squib LH Circuit

Comes on

Applies to check mode

B1860

Short in Knee Airbag (D Side) Squib Circuit

Comes on

Applies to check mode

B1861

Open in Knee Airbag (D Side) Squib Circuit

Comes on

Applies to check mode

B1862

Short in Knee Airbag (D Side) Squib Circuit (to Ground)

Comes on

Applies to check mode

B1863

Short in Knee Airbag (D Side) Squib Circuit (to +B)

Comes on

Applies to check mode

B1865

Short in Knee Airbag (P Side) Squib Circuit

Comes on

Applies to check mode

B1866

Open in Knee Airbag (P Side) Squib Circuit

Comes on

Applies to check mode

B1867

Short in Knee Airbag (P Side) Squib Circuit (to Ground)

Comes on

Applies to check mode

B1868

Short in Knee Airbag (P Side) Squib Circuit (to +B)

Comes on

Applies to check mode

B1900

Short in P/T Squib (RH) Circuit

Comes on

Applies to check mode

B1901

Open in P/T Squib (RH) Circuit

Comes on

Applies to check mode

B1902

Short in P/T Squib (RH) Circuit (to Ground)

Comes on

Applies to check mode

B1903

Short in P/T Squib (RH) Circuit (to +B)

Comes on

Applies to check mode

B1905

Short in P/T Squib (LH) Circuit

Comes on

Applies to check mode

B1906

Open in P/T Squib (LH) Circuit

Comes on

Applies to check mode

B1907

Short in P/T Squib (LH) Circuit (to Ground)

Comes on

Applies to check mode

B1908

Short in P/T Squib (LH) Circuit (to +B)

Comes on

Applies to check mode

B1920

Short in Rear P/T Squib (RH) Circuit

Comes on

Applies to check mode

B1921

Open in Rear P/T Squib (RH) Circuit

Comes on

Applies to check mode

B1922

Short in Rear P/T Squib (RH) Circuit (to Ground)

Comes on

Applies to check mode

B1923

Short in Rear P/T Squib (RH) Circuit (to +B)

Comes on

Applies to check mode

B1925

Short in Rear P/T Squib (LH) Circuit

Comes on

Applies to check mode

B1926

Open in Rear P/T Squib (LH) Circuit

Comes on

Applies to check mode

B1927

Short in Rear P/T Squib (LH) Circuit (to Ground)

Comes on

Applies to check mode

B1928

Short in Rear P/T Squib (LH) Circuit (to +B)

Comes on

Applies to check mode

U0154

Lost Communication with Restraints Occupant Classification System Module

Comes on

Does not apply to test/check mode