Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028GZG
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]

DIAGNOSTIC TROUBLE CODE CHART

Power Steering System

DTC No.

Detection Item

DTC Detection Condition

Warning Indicate

Return-to-normal Condition

Note

Link

C05D604

Power Steering Control Module Processor System Internal Failure

ECU internal malfunction

(CPU malfunction)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C05D646

Power Steering Control Module Processor Calibration / Parameter Memory Failure

ECU internal malfunction

(EEPROM error)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C05D649

Power Steering Control Module Processor Internal Electronic Failure

ECU internal malfunction

(Peripheral circuit malfunction)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C10001C

Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range

ECU temperature sensor "A" range malfunction

EPS warning light: Comes on

The ECU judges the system has returned to normal

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C123A17

Supply Voltage Circuit Circuit Voltage Above Threshold

IG voltage is 18.5 V or more

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned to ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C123A17; Supply Voltage Circuit Circuit Voltage Above Threshold

C151162

Power Steering Torque Sensor "A" Signal Compare Failure

Diagnosis Condition: IG ON

Malfunction Status: The difference between 1A and 1B of the TRQ1 output signal is more than a certain value.

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151162,C151187,C151262,C151287; Power Steering Torque Sensor "A" Signal Compare Failure

C151187

Power Steering Torque Sensor "A" Missing Message

Diagnosis Condition: IG ON

Malfunction Status: When the battery voltage is 9.0 V or more, the TRQ1 signal is not detected, breaks communication protocol, has a CRC error, or has an invalid rolling counter.

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151162,C151187,C151262,C151287; Power Steering Torque Sensor "A" Signal Compare Failure

C151262

Power Steering Torque Sensor "B" Signal Compare Failure

Diagnosis Condition: IG ON

Malfunction Status: The difference between 2A and 2B of the TRQ2 output signal is more than a certain value.

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151162,C151187,C151262,C151287; Power Steering Torque Sensor "A" Signal Compare Failure

C151287

Power Steering Torque Sensor "B" Missing Message

Diagnosis Condition: IG ON

Malfunction Status: When the battery voltage is 9.0 V or more, the TRQ2 signal is not detected, breaks communication protocol, has a CRC error, or has an invalid rolling counter.

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151162,C151187,C151262,C151287; Power Steering Torque Sensor "A" Signal Compare Failure

C151A17

Power Steering Torque Sensor "A" Supply Voltage Circuit Voltage Above Threshold

TRQV1 voltage is 5.6 V or more

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151A17; Power Steering Torque Sensor "A" Supply Voltage Circuit Voltage Above Threshold

C151B17

Power Steering Torque Sensor "B" Supply Voltage Circuit Voltage Above Threshold

TRQV2 voltage is 5.6 V or more

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C151B17; Power Steering Torque Sensor "B" Supply Voltage Circuit Voltage Above Threshold

C152A18

Power Steering Motor "A" Circuit Current Below Threshold

Motor "A" low current malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C152A19

Power Steering Motor "A" Circuit Current Above Threshold

Motor "A" overcurrent

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C152B18

Power Steering Motor "B" Circuit Current Below Threshold

Motor "B" low current malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C152B19

Power Steering Motor "B" Circuit Current Above Threshold

Motor "B" overcurrent

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C153A00

Malfunction of Power Steering Motor "A" Inverter Pre-Driver

Inverter "A" pre-driver circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C153A19

Power Steering Motor "A" Inverter Circuit Current Above Threshold

Inverter "A" short circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C153B00

Malfunction of Power Steering Motor "B" Inverter Pre-Driver

Inverter "B" pre-driver circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C153B19

Power Steering Motor "B" Inverter Circuit Current Above Threshold

Inverter "B" short circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C154A7E

Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On

Contrary connection protection relay "A" short circuit malfunction (initial check)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C154A7F

Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off

Contrary connection protection relay "A" open circuit malfunction (initial check)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C154B7E

Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On

Contrary connection protection relay "B" short circuit malfunction (initial check)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C154B7F

Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off

Contrary connection protection relay "B" open circuit malfunction (initial check)

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C155A16

Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold

Motor "1" PIG voltage is 3.6 V or less

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C155A16,...,C155B17; Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold

C155A17

Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold

Diagnosis Condition: IG ON

Malfunction Status: Motor "1" PIG voltage is 19.6 V or more

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C155A16,...,C155B17; Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold

C155B16

Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold

Motor "2" PIG voltage is 3.6 V or less

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C155A16,...,C155B17; Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold

C155B17

Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold

Diagnosis Condition: IG ON

Malfunction Status: Motor "2" PIG voltage is 19.6 V or more

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C155A16,...,C155B17; Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold

C156A9E

Power Steering Motor "A" Shut Down Relay Stuck On

Motor "A" shut down relay malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C156A9F

Power Steering Motor "A" Shut Down Relay Stuck Off

When there is an internal malfunction in the ECU

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C156B9E

Power Steering Motor "B" Shut Down Relay Stuck On

Motor "B" shut down relay malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C156B9F

Power Steering Motor "B" Shut Down Relay Stuck Off

When there is an internal malfunction in the ECU

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C157A11

Power Steering Motor "A" Current Sensor Circuit Short to Ground

Motor "A" current sensor low voltage malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C157A62

Power Steering Motor "A" Current Sensor Signal Compare Failure

Motor "A" current sensor correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C157B11

Power Steering Motor "B" Current Sensor Circuit Short to Ground

Motor "B" current sensor low voltage malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C157B62

Power Steering Motor "B" Current Sensor Signal Compare Failure

Motor "B" current sensor correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C159A49

Power Steering Motor "A" Terminal Voltage Detect Circuit Internal Electronic Failure

Motor "A" terminal voltage detection circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C159B49

Power Steering Motor "B" Terminal Voltage Detect Circuit Internal Electronic Failure

Motor "B" terminal voltage detection circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type A (w/ G16E-GTS)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D11C

Power Steering Motor Position Sensor "A" Circuit Voltage Out of Range

Rotation angle sensor "A" range malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D162

Power Steering Motor Position Sensor "A" Signal Compare Failure

Rotation angle sensor "A" correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D187

Power Steering Motor Position Sensor "A" Missing Message

Rotation angle sensor "A" correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type B

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D21C

Power Steering Motor Position Sensor "B" Circuit Voltage Out of Range

Rotation angle sensor "B" range malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D262

Power Steering Motor Position Sensor "B" Signal Compare Failure

Rotation angle sensor "B" correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D287

Power Steering Motor Position Sensor "B" Missing Message

Rotation angle sensor "B" correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

for Type B

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D31C

Power Steering Motor Position Sensor "C" Circuit Voltage Out of Range

Rotation angle sensor "C" range malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

C15D362

Power Steering Motor Position Sensor "C" Signal Compare Failure

Rotation angle sensor "C" correlation malfunction

EPS warning light: Comes on

Ignition switch ON again

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): C05D604,...,C15D362; Power Steering Control Module Processor System Internal Failure

U010087

Lost Communication with ECM/PCM "A" Missing Message

Lost communication with ECM

EPS warning light: Does not come on

After normal confirmation

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): U010087,U012687,U012987,U023A87; Lost Communication with ECM/PCM "A" Missing Message

U012687

Lost Communication with Steering Angle Sensor Module Missing Message

Lost communication with steering sensor

EPS warning light: Does not come on

After normal confirmation

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): U010087,U012687,U012987,U023A87; Lost Communication with ECM/PCM "A" Missing Message

U012987

Lost Communication with Brake System Control Module Missing Message

Lost communication with skid control ECU (Brake actuator assembly)

EPS warning light: Does not come on

After normal confirmation

-

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): U010087,U012687,U012987,U023A87; Lost Communication with ECM/PCM "A" Missing Message

U023A87

Lost Communication with Image Processing Module "A" Missing Message

Lost communication with forward recognition camera

EPS warning light: Does not come on

After normal confirmation

w/ Forward Recognition Camera

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Gasoline Model): U010087,U012687,U012987,U023A87; Lost Communication with ECM/PCM "A" Missing Message