Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000026A1L
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 - 11/2022]
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): DIAGNOSTIC TROUBLE CODE CHART; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]

DIAGNOSTIC TROUBLE CODE CHART

Smart Key System (for Entry Function)

DTC No.

Detection Item

Link

B27A1

Open in Driver Side Electrical Antenna Circuit

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): B27A1; Open in Driver Side Electrical Antenna Circuit

B27A2

Open in Front Passenger Side Electrical Antenna Circuit

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): B27A2; Open in Front Passenger Side Electrical Antenna Circuit

B27A7

Open in Inside Luggage Compartment Electrical Key Oscillator Circuit

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): B27A7; Open in Inside Luggage Compartment Electrical Key Oscillator Circuit

B27A8

Open in Outside Luggage Compartment Electrical Key Antenna Circuit

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): B27A8; Open in Outside Luggage Compartment Electrical Key Antenna Circuit

U0100

Lost Communication With ECM/PCM "A"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0129

Lost Communication with Brake System Control Module

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0142

Lost Communication with Body Control Module "B"

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function (TMMMS Made)): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"