Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001CDK7
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 01/2019]
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART; 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]

DIAGNOSTIC TROUBLE CODE CHART

Smart Key System (for Entry Function)

DTC No.

Detection Item

Link

B27A1

Open in Driver Side Electrical Antenna Circuit

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): B27A1; Open in Driver Side Electrical Antenna Circuit

B27A2

Open in Front Passenger Side Electrical Antenna Circuit

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): B27A2; Open in Front Passenger Side Electrical Antenna Circuit

B27A8

Open in Outside Luggage Compartment Electrical Key Antenna Circuit

2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): B27A8; Open in Outside Luggage Compartment Electrical Key Antenna Circuit

U0100

Lost Communication With ECM/PCM "A"

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0129

Lost Communication with Brake System Control Module

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0142

Lost Communication with Body Control Module "B"

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"

U0155

Lost Communication with Instrument Panel Cluster (IPC) Control Module

2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): U0100,U0129,U0142,U0155; Lost Communication With ECM/PCM "A"