SECURITY LIGHT: 16, DTC: U2510/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5002200

SECURITY LIGHT: 16 | DTC: U2510/P1260/P1260:00 | Communication error between the instrument cluster and the PCM (no response)
DETECTION CONDITION | Communication error between the instrument cluster and the PCM (no response)
POSSIBLE CAUSE | • Malfunction in the wiring harness (CAN line) between the instrument cluster and the PCM • PCM malfunction • Instrument cluster malfunction

Diagnostic Procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY DTC • Are either U0100 or U0073, or both, displayed by the instrument cluster? | Yes | Perform troubleshooting according to the corresponding DTC inspection.
No | Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].) Go to the next step.
2 | VERIFY DTC • Using the registered key, turn the ignition switch to the ON position. • Is the DTC displayed? ― Security light: 16 ― M-MDS: U2510/P1260/P1260:00 | Yes | Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM. (See PCM REMOVAL/INSTALLATION [MZI-3.7].) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
No | DTC troubleshooting completed.