Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM10000000101HZ
Model Year Start: 2017 Model: Sienna Prod Date Range: [08/2016 - 11/2017]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2017 MY Sienna [08/2016 - 11/2017]

DIAGNOSTIC TROUBLE CODE CHART

HINT:

  • If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart.
  • Inspect the fuses and relays before troubleshooting the areas shown in the table below.

Blind Spot Monitor System

DTC Code

Detection Item

See page

C1A45

Vehicle Speed Sensor

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A45; Vehicle Speed Sensor

C1A47

Steering Angle Sensor

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1A47; Steering Angle Sensor

C1AB0

Short to +B in Outer Mirror Indicator(Master)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; 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)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; 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)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; 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)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB3; Short to GND in Outer Mirror Indicator(Slave)

C1AB4

Open in Outer Mirror Indicator(Master)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB4; Open in Outer Mirror Indicator(Master)

C1AB5

Open in Outer Mirror Indicator(Slave)

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB5; Open in Outer Mirror Indicator(Slave)

C1AB6

Blind Spot Monitor Master Module

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB6; Blind Spot Monitor Master Module

C1AB7

Blind Spot Monitor Slave Module

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB7; Blind Spot Monitor Slave Module

C1AB8

Destination Information Undefined

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AB8; Destination Information Undefined

C1ABB*

Blind Spot Monitor Master Module Beam Axis Inspection Incomplete

2016 - 2020 MY Sienna [12/2015 -        ]; 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

2016 - 2020 MY Sienna [12/2015 -        ]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABC; Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete

C1ABD

Short to +B in Buzzer

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABD,C1ABE; Short to +B in Buzzer

C1ABE

Short to GND or Open in Buzzer

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1ABD,C1ABE; Short to +B in Buzzer

C1AC1

Master Module Horizontal Axis Misalignment

2017 MY Sienna [08/2016 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AC1; Master Module Horizontal Axis Misalignment

C1AC2

Slave Module Horizontal Axis Misalignment

2017 MY Sienna [08/2016 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: C1AC2; Slave Module Horizontal Axis Misalignment

U0100

Lost Communication with ECM / PCM "A"

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0126,U0129,U0142; Lost Communication with ECM / PCM "A"

U0126

Lost Communication with Steering Angle Sensor Module

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0126,U0129,U0142; Lost Communication with ECM / PCM "A"

U0129

Lost Communication with Brake System Control Module

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0126,U0129,U0142; Lost Communication with ECM / PCM "A"

U0142

Lost Communication with Body Control Module "B"

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0100,U0126,U0129,U0142; Lost Communication with ECM / PCM "A"

U0232

Lost Communication with Blind Spot Monitor Slave Module

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U0232; Lost Communication with Blind Spot Monitor Slave Module

U1331

Software Incompatibility with Body Control Module "B"

2016 - 2017 MY Sienna [12/2015 - 11/2017]; PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: U1331; Software Incompatibility with Body Control Module "B"

HINT:

*: Stored when a blind spot monitor sensor is replaced.