Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001QT71
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 - 08/2021]
Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): DIAGNOSTIC TROUBLE CODE CHART; 2021 MY Avalon [08/2020 - 08/2021]

DIAGNOSTIC TROUBLE CODE CHART

Lighting System (for Gasoline Model with Cornering Light)

DTC No.

Detection Item

DTC Output from

Link

B1244

Light Sensor Circuit

Main Body

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B1244; Light Sensor Circuit

B124B

Automatic High Beam System

Main Body

2019 - 2021 MY Avalon [04/2018 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B124B; Automatic High Beam System

B124C

Automatic High Beam Camera

Main Body

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B124C; Automatic High Beam Camera

B2414

Steering Position Sensor

HL AutoLeveling

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2414; Steering Position Sensor

B2415

Vehicle Speed Sensor

HL AutoLeveling

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2415; Vehicle Speed Sensor

B242C

Right Headlight ECU Malfunction

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242C,B242D; Right Headlight ECU Malfunction

B242D

Left Headlight ECU Malfunction

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242C,B242D; Right Headlight ECU Malfunction

B242E

Open in IG Circuit

Headlight ECU sub-assembly LH

2020 - 2022 MY Avalon [08/2019 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242E; Open in IG Circuit

B242E

Open in IG Circuit

Headlight ECU sub-assembly RH

2020 - 2022 MY Avalon [08/2019 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242E; Open in IG Circuit

B242F

Open in B Power Line

HL AutoLeveling

2020 - 2022 MY Avalon [08/2019 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242F; Open in B Power Line

B242F

Open in B Power Line

HL AutoLeveling (Sub)

2020 - 2022 MY Avalon [08/2019 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B242F; Open in B Power Line

B2439

Headlight LH Circuit

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2439,B243A; Headlight LH Circuit

B243A

Headlight RH Circuit

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2439,B243A; Headlight LH Circuit

B243D

Left Low Beam Fan Malfunction

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B243D,B243E; Left Low Beam Fan Malfunction

B243E

Right Low Beam Fan Malfunction

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B243D,B243E; Left Low Beam Fan Malfunction

B2451

Variation Code not Written

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2451; Variation Code not Written

B2456

Left Headlight ECU Variation Error

HL AutoLeveling

2021 - 2022 MY Avalon [08/2020 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): B2456; Left Headlight ECU Variation Error

U0073

Control Module Communication Bus Off

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0073

Control Module Communication Bus OFF

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0126,U0142,U0155,U0182; Control Module Communication Bus OFF

U0100

Lost Communication with ECM / PCM "A"

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0100

Lost Communication With ECM/PCM "A"

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0101

Lost Communication with TCM

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0101

Lost Communication with TCM

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0120

Lost Communication With Starter / Generator Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0126

Lost Communication with Steering Angle Sensor Module

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0126,U0142,U0155,U0182; Control Module Communication Bus OFF

U0126

Lost Communication with Steering Angle Sensor Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0129

Lost Communication with Brake System Control Module

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0129

Lost Communication with Brake System Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0142

Lost Communication with Body Control Module "B"

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0142

Lost Communication with Body Control Module "B"

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0126,U0142,U0155,U0182; Control Module Communication Bus OFF

U0151

Lost Communication with Restraints Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0126,U0142,U0155,U0182; Control Module Communication Bus OFF

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0163

Lost Communication with Navigation Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0164

Lost Communication with HVAC Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0182

Lost Communication With Lighting Control Module Front

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0126,U0142,U0155,U0182; Control Module Communication Bus OFF

U0182

Lost Communication with AFS

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0199

Lost Communication with "Door Control Module A"

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0200

Lost Communication with "Door Control Module B"

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0208

Lost Communication with "Seat Control Module A"

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U023A

Lost Communication With Image Processing Module "A"

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U0242

Lost Communication With Headlamp Control Module "B"

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0242; Control Module Communication Bus Off

U0327

Software Incompatibility with Vehicle Security Control Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U1000

CAN Communication Failure (Message Registry)

Headlight ECU sub-assembly LH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U1000; CAN Communication Failure (Message Registry)

U1000

CAN Communication Failure (Message Registry)

Headlight ECU sub-assembly RH

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U1000; CAN Communication Failure (Message Registry)

U1106

Lost Communication with Electric Parking Brake Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U1115

Lost Communication with Tilt & Telescopic Module

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"

U1117

Lost Communication with Accessory Gateway

Main body ECU (multiplex network body ECU)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): U0100,...,U1117; Lost Communication With ECM/PCM "A"