Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM10000000289VF
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [11/2022 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B116049,...,P05BB00; Airbag ECU (Microcomputer) Internal Electronic Failure; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]

DTC

B116049

Airbag ECU (Microcomputer) Internal Electronic Failure

DTC

B11609E

Airbag ECU (Microcomputer) Stuck On

DTC

B116149

Airbag ECU (Main ASIC) Internal Electronic Failure

DTC

B11619E

Airbag ECU (Main ASIC) Stuck On

DTC

B116249

Airbag ECU (Sub ASIC) Internal Electronic Failure

DTC

B116311

Airbag ECU (IC and Device) Circuit Short to Ground

DTC

B116349

Airbag ECU (IC and Device) Internal Electronic Failure

DTC

B11639E

Airbag ECU (IC and Device) Stuck On

DTC

B11639F

Airbag ECU (IC and Device) Stuck Off

DTC

B116449

Airbag ECU (G Sensor 1) Internal Electronic Failure

DTC

B116483

Airbag ECU (G Sensor 1) Value of Signal Protection Calculation Incorrect

DTC

B116484

Airbag ECU (G Sensor 1) Signal Below Allowable Range

DTC

B116485

Airbag ECU (G Sensor 1) Signal Above Allowable Range

DTC

B116549

Airbag ECU (G Sensor 2) Internal Electronic Failure

DTC

B116583

Airbag ECU (G Sensor 2) Value of Signal Protection Calculation Incorrect

DTC

B116584

Airbag ECU (G Sensor 2) Signal Below Allowable Range

DTC

B116585

Airbag ECU (G Sensor 2) Signal Above Allowable Range

DTC

B116649

Airbag ECU (G Sensor 3) Internal Electronic Failure

DTC

B116683

Airbag ECU (G Sensor 3) Value of Signal Protection Calculation Incorrect

DTC

B116684

Airbag ECU (G Sensor 3) Signal Below Allowable Range

DTC

B116685

Airbag ECU (G Sensor 3) Signal Above Allowable Range

DTC

B116749

Airbag ECU (Roll Sensor) Internal Electronic Failure

DTC

B116783

Airbag ECU (Roll Sensor) Value of Signal Protection Calculation Incorrect

DTC

B116784

Airbag ECU (Roll Sensor) Signal Below Allowable Range

DTC

B116785

Airbag ECU (Roll Sensor) Signal Above Allowable Range

DTC

B116800

Airbag ECU Failure (Write Inhibit of EDR)

DTC

P05BB00

Restraints Deployed

DESCRIPTION

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

DTC Output from

Priority

Test Mode / Check Mode

B116049

Airbag ECU (Microcomputer) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B11609E

Airbag ECU (Microcomputer) Stuck On

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116149

Airbag ECU (Main ASIC) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B11619E

Airbag ECU (Main ASIC) Stuck On

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116249

Airbag ECU (Sub ASIC) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116311

Airbag ECU (IC and Device) Circuit Short to Ground

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116349

Airbag ECU (IC and Device) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B11639E

Airbag ECU (IC and Device) Stuck On

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B11639F

Airbag ECU (IC and Device) Stuck Off

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116449

Airbag ECU (G Sensor 1) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116483

Airbag ECU (G Sensor 1) Value of Signal Protection Calculation Incorrect

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116484

Airbag ECU (G Sensor 1) Signal Below Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116485

Airbag ECU (G Sensor 1) Signal Above Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116549

Airbag ECU (G Sensor 2) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116583

Airbag ECU (G Sensor 2) Value of Signal Protection Calculation Incorrect

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116584

Airbag ECU (G Sensor 2) Signal Below Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116585

Airbag ECU (G Sensor 2) Signal Above Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116649

Airbag ECU (G Sensor 3) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116683

Airbag ECU (G Sensor 3) Value of Signal Protection Calculation Incorrect

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116684

Airbag ECU (G Sensor 3) Signal Below Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116685

Airbag ECU (G Sensor 3) Signal Above Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116749

Airbag ECU (Roll Sensor) Internal Electronic Failure

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116783

Airbag ECU (Roll Sensor) Value of Signal Protection Calculation Incorrect

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116784

Airbag ECU (Roll Sensor) Signal Below Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116785

Airbag ECU (Roll Sensor) Signal Above Allowable Range

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

B116800

Airbag ECU Failure (Write Inhibit of EDR)

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

P05BB00

Restraints Deployed

Airbag sensor assembly malfunction

Airbag sensor assembly

Comes on

SRS Airbag

A

Does not apply to test/check mode

CAUTION / NOTICE / HINT

NOTICE:

After replacing the airbag sensor assembly, refer to work procedure.

Click here 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - 03/2023]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: WORK PROCEDURE 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2023 - 08/2023]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: WORK PROCEDURE 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 -        ]; SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: WORK PROCEDURE

HINT:

If a DTC (except B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800 or P05BB00) is output at the same time as B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800 or P05BB00, repair the malfunction from that DTC first.

PROCEDURE

1.

CHECK DTC

Pre-procedure1

(a) Turn the ignition switch to ON, and wait for at least 60 seconds.

Procedure1

(b) Check for DTCs.

Body Electrical > SRS Airbag > Trouble Codes

Result

Proceed to

B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800, P05BB00 and other DTCs are output

A

B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800 or P05BB00 is output

B

NOTICE:

If only DTC B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800 or P05BB00 is output, do not clear the DTCs. Replace the airbag sensor assembly.

HINT:

If any DTCs other than DTC B116049, B11609E, B116149, B11619E, B116249, B116311, B116349, B11639E, B11639F, B116449, B116483, B116484, B116485, B116549, B116583, B116584, B116585, B116649, B116683, B116684, B116685, B116749, B116783, B116784, B116785, B116800 or P05BB00 are also output, troubleshoot those DTCs first.

Post-procedure1

(c) None

A

GO TO DIAGNOSTIC TROUBLE CODE CHART

B

REPLACE AIRBAG SENSOR ASSEMBLY