Last Modified: 05-08-2025 6.11:8.1.0 Doc ID: RM100000001R5IC
Model Year Start: 2021 Model: RAV4 Prod Date Range: [08/2020 - 12/2021]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]

DIAGNOSTIC TROUBLE CODE CHART

Blind Spot Monitor System

DTC No.

Detection Item

Link

C1A45

Vehicle Speed Sensor

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A45; Vehicle Speed Sensor

C1A46

Yaw Rate Sensor

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A46; Yaw Rate Sensor

C1A47

Steering Angle Sensor

2021 - 2025 MY RAV4 RAV4 HV [08/2020 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A47; Steering Angle Sensor

C1AB0

Short to +B in Outer Mirror Indicator(Master)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB0; Short to +B in Outer Mirror Indicator(Master)

C1AB1

Short to +B in Outer Mirror Indicator(Slave)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB1; Short to +B in Outer Mirror Indicator(Slave)

C1AB2

Short to GND in Outer Mirror Indicator(Master)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB2; Short to GND in Outer Mirror Indicator(Master)

C1AB3

Short to GND in Outer Mirror Indicator(Slave)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB3; Short to GND in Outer Mirror Indicator(Slave)

C1AB4

Open in Outer Mirror Indicator(Master)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB4; Open in Outer Mirror Indicator(Master)

C1AB5

Open in Outer Mirror Indicator(Slave)

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB5; Open in Outer Mirror Indicator(Slave)

C1AB6

Blind Spot Monitor Master Module

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB6; Blind Spot Monitor Master Module

C1AB7

Blind Spot Monitor Slave Module

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB7; Blind Spot Monitor Slave Module

C1AB8

Destination Information Undefined

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB8; Destination Information Undefined

C1ABB

Blind Spot Monitor Master Module Beam Axis Inspection Incomplete

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABB; Blind Spot Monitor Master Module Beam Axis Inspection Incomplete

C1ABC

Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABC; Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete

C1ABE

Short to GND or Open in Buzzer

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABE; Short to GND or Open in Buzzer

C1AC1

Master Module Horizontal Axis Misalignment

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AC1; Master Module Horizontal Axis Misalignment

C1AC2

Slave Module Horizontal Axis Misalignment

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AC2; Slave Module Horizontal Axis Misalignment

U0100

Lost Communication with ECM / PCM "A"

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0100

Lost Communication with ECM / PCM "A"

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0125

Lost Communication with Yaw Rate Sensor Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0125

Lost Communication with Yaw Rate Sensor Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0129

Lost Communication with Brake System Control Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0129

Lost Communication with Brake System Control Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0232

Lost Communication with Blind Spot Monitor Slave Module

2019 - 2021 MY RAV4 RAV4 HV [02/2019 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0232; Lost Communication with Blind Spot Monitor Slave Module

U0233

Lost Communication with Blind Spot Monitor Master Module

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0233; Lost Communication with Blind Spot Monitor Master Module

U0293

Lost Communication with Hybrid Control Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U0293

Lost Communication with Hybrid Control Module

2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0125,U0126,U0129,U0142,U0293; Lost Communication with ECM / PCM "A"

U1331

Software Incompatibility with Body Control Module "B"

2019 - 2025 MY RAV4 RAV4 HV [11/2018 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U1331; Software Incompatibility with Body Control Module "B"