DTC U2023 [INSTRUMENT CLUSTER]

id0902e8595600

Vehicles Without Advanced Keyless Entry and Start System

Description | Error data from other module
--- | ---
Detection condition | • Instrument cluster cannot receive the correct data from the PCM.
Possible cause | • PCM DTC is stored. • PCM malfunction • Instrument cluster malfunction

Diagnostic procedure

Step | Inspection | Action
--- | --- | ---
1 | VERIFY PCM DTCs • Retrieve the PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [MZI-3.7].) • Are any DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [MZI-3.7].)
No | Go to the next step.
2 | PERFORM DTC INSPECTION AND VERIFY PCM MALFUNCTION • Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER].) • Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the same DTC displayed? | Yes | Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [MZI-3.7].)
No | Go to Step 4.
3 | VERIFY DTC TROUBLESHOOTING COMPLETED • Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER].) • Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the same DTC displayed? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) Go to the next step.
No | Go to the next step.
4 | VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [INSTRUMENT CLUSTER].)
No | DTC troubleshooting completed.

Vehicles With Advanced Keyless Entry and Start System

Description | Error data from other module
--- | ---
Detection condition | • Instrument cluster cannot receive the correct data from the keyless control module. • Instrument cluster cannot receive the correct data from the PCM.
Possible cause | • Keyless control module DTC is stored. • PCM DTC is stored. • Keyless control module malfunction • PCM malfunction • Instrument cluster malfunction

Diagnostic procedure

Step | Inspection | Action
--- | --- | ---
1 | VERIFY KEYLESS CONTROL MODULE DTCs • Retrieve the keyless control module DTCs using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS ENTRY AND START SYSTEM].) • Are any DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No | Go to the next step.
2 | VERIFY PCM DTCs • Retrieve the PCM DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [MZI-3.7].) • Are any DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [MZI-3.7].)
No | Go to the next step.
3 | PERFORM DTC INSPECTION AND VERIFY KEYLESS CONTROL MODULE MALFUNCTION • Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER].) • Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the same DTC displayed? | Yes | Replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No | Go to Step 6.
4 | PERFORM DTC INSPECTION AND VERIFY PCM MALFUNCTION • Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER].) • Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the same DTC displayed? | Yes | Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [MZI-3.7].)
No | Go to Step 6.
5 | VERIFY DTC TROUBLESHOOTING COMPLETED • Clear the DTC for the instrument cluster using the M-MDS. (See CLEARING DTC [INSTRUMENT CLUSTER].) • Retrieve the instrument cluster DTCs using the M-MDS. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Is the same DTC displayed? | Yes | Repeat the inspection from Step 1. • If the malfunction recurs, replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) Go to the next step.
No | Go to the next step.
6 | VERIFY IF OTHER DTCs DISPLAYED • Are any other DTCs displayed? | Yes | Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [INSTRUMENT CLUSTER].)
No | DTC troubleshooting completed.