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

id09021h002200

SECURITY LIGHT: 16

Communication error between the keyless control module and the PCM (mismatched conditions)

DTC: U2510/P1260/P1260:00

DETECTION CONDITION

Communication error between the keyless control module and the PCM (mismatched conditions)

POSSIBLE CAUSE

•  Malfunction in the wiring harness (CAN line) between the keyless control module and the PCM

•  PCM malfunction

•  Keyless control module malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

VERIFY DTC

•  Are either U0100 or U0073, or both, displayed by the keyless control module?

Yes

Perform troubleshooting according to the corresponding DTC inspection.

No

Replace the keyless control module and perform the resetting procedure for the immobilizer system when replacing the keyless control module.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)

(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS ENTRY AND START 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 [ADVANCED KEYLESS ENTRY AND START SYSTEM].)

No

DTC troubleshooting completed.

SECURITY LIGHT: 16	Communication error between the keyless control module and the PCM (mismatched conditions)
DTC: U2510/P1260/P1260:00
DETECTION CONDITION	Communication error between the keyless control module and the PCM (mismatched conditions)
POSSIBLE CAUSE	• Malfunction in the wiring harness (CAN line) between the keyless control module and the PCM • PCM malfunction • Keyless control module malfunction

STEP	INSPECTION		ACTION
1	VERIFY DTC • Are either U0100 or U0073, or both, displayed by the keyless control module?	Yes	Perform troubleshooting according to the corresponding DTC inspection.
1		No	Replace the keyless control module and perform the resetting procedure for the immobilizer system when replacing the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS ENTRY AND START 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 [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
2		No	DTC troubleshooting completed.