Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018K39
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): DIAGNOSTIC TROUBLE CODE CHART; 2018 - 2020 MY Sienna [11/2017 -        ]

DIAGNOSTIC TROUBLE CODE CHART

Lane Departure Alert System

DTC No.

Detection Item

Link

C1A01

Driving Support ECU

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A01; Driving Support ECU

C1A10

Front Radar Sensor

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A10; Front Radar Sensor

C1A11

Front Radar Sensor Incorrect Axial Gap

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A11,C1A14; Front Radar Sensor Incorrect Axial Gap

C1A14

Front Radar Sensor Beam Axis Not Adjusted

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A11,C1A14; Front Radar Sensor Incorrect Axial Gap

C1A47

Steering Angle Sensor

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A47; Steering Angle Sensor

C1A48

G Sensor

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A48; G Sensor

C1A50

Brake System Malfunction

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A50; Brake System Malfunction

C1A70

Power Steering Control System

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A70; Power Steering Control System

C1A71

Power Steering Control Torque

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A71; Power Steering Control Torque

C1A72

Communication Error from FCM to Driving Support ECU

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A72; Communication Error from FCM to Driving Support ECU

C1A73

Driving Support ECU Receive Data Malfunction

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1A73; Driving Support ECU Receive Data Malfunction

C1AA0

Front Camera Module Circuit

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA0; Front Camera Module Circuit

C1AA1

FCM Destination Information Unmatched

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA1; FCM Destination Information Unmatched

C1AA2

Vehicle Speed Tolerance Malfunction

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA2; Vehicle Speed Tolerance Malfunction

C1AA3

Vehicle Speed Sensor Circuit

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA3; Vehicle Speed Sensor Circuit

C1AA4

Yaw Rate Sensor Circuit

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA4,C1AA5; Yaw Rate Sensor Circuit

C1AA5

Yaw Rate Sensor Power Supply Voltage Circuit

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA4,C1AA5; Yaw Rate Sensor Circuit

C1AA6

Yaw Rate Sensor Zero Point Malfunction

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA6; Yaw Rate Sensor Zero Point Malfunction

C1AA9

Front Camera Module Beam Axis Not Adjusted

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AA9; Front Camera Module Beam Axis Not Adjusted

C1AAA

FCM Destination Information Uninitialized

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AAA; FCM Destination Information Uninitialized

C1AAC

Vehicle Information Unmatched

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AAC; Vehicle Information Unmatched

C1AAD

Vehicle Information Initialization Incomplete

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): C1AAD; Vehicle Information Initialization Incomplete

U0100

Lost Communication with ECM / PCM "A"

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0101

Lost Communication with TCM

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0123

Lost Communication with Yaw Rate Sensor Module

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0129

Lost Communication with Brake System Control Module

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0131

Lost Communication with Power Steering Control Module

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0155

Lost Communication with Combination Meter

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0100,U0101,U0123,U0126,U0129,U0131,U0142,U0155; Lost Communication with ECM / PCM "A"

U0235

Lost Communication with Cruise Control Front Distance Range Sensor

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0235,U1104; Lost Communication with Cruise Control Front Distance Range Sensor

U023A

Lost Communication with Front Camera Module

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U023A; Lost Communication with Front Camera Module

U1104

Lost Communication with Driving Support ECU

2018 - 2020 MY Sienna [11/2017 -        ]; CRUISE CONTROL: LANE DEPARTURE ALERT SYSTEM(w/ Steering Control): U0235,U1104; Lost Communication with Cruise Control Front Distance Range Sensor