Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000028KBV
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): DIAGNOSTIC TROUBLE CODE CHART; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

DIAGNOSTIC TROUBLE CODE CHART

Immobiliser System (w/o Smart Key System)

DTC No.

Detection Item

Link

B2780

Push Switch / Key Unlock Warning Switch Malfunction

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2780; Push Switch / Key Unlock Warning Switch Malfunction

B2784

Antenna Coil Open / Short

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2784; Antenna Coil Open / Short

B2793

Transponder Chip Malfunction

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2793,B2797; Transponder Chip Malfunction

B2794

Unmatched Encryption Code

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2794; Unmatched Encryption Code

B2795

Unmatched Key Code

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2795; Unmatched Key Code

B2796

No Communication in Immobiliser System

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2796,B2798; No Communication in Immobiliser System

B2797

Communication Malfunction No. 1

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2793,B2797; Transponder Chip Malfunction

B2798

Communication Malfunction No. 2

2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B2796,B2798; No Communication in Immobiliser System

B2799

Engine Immobiliser System Malfunction

2020 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279986,B2799; Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

B2799

Engine Immobiliser System Malfunction

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279986,B2799; Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

B279986

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

2020 - 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279986,B2799; Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

B279986

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279986,B2799; Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid

B279A

Theft Deterrent System Communication Line High Fixation

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279A12,B279A; Engine Immobiliser System Circuit Short to Battery

B279A12

Engine Immobiliser System Circuit Short to Battery

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279A12,B279A; Engine Immobiliser System Circuit Short to Battery

B279C

Theft Deterrent System Presence Detection

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279C95,B279C; Engine Immobiliser System Incorrect Assembly

B279C95

Engine Immobiliser System Incorrect Assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (w/o Smart Key System): B279C95,B279C; Engine Immobiliser System Incorrect Assembly