SECURITY LIGHT 23, DTC B2139/P1260

id0902e4801500

SECURITY LIGHT: 23

ID number data in the PCM and the instrument cluster do not match.

DTC: B2139/P1260

DETECTION CONDITION

• ID number data in the instrument cluster and the PCM are different.

POSSIBLE CAUSE

• Necessary procedures were not performed using the WDS or equivalent after replacing the PCM.
• Instrument cluster malfunction
• PCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY DTC
• Are either U1900 or U0073, or both, displayed, by either the instrument cluster or the PCM, or both?
Yes
Perform troubleshooting according to the corresponding DTC inspection.
No
Go to the next step.
2
EXAMINE INSTRUMENT CLUSTER AND PCM
• Perform procedures for when replacing the PCM only.
• Using the registered key, turn the ignition switch to the ON position.
• Is the DTC displayed?
- Security light: 23
- WDS or equivalent: B2139/P1260
Yes
• Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster.
• Go to the next step.
No
DTC troubleshooting completed.
3
VERIFY DTC
• Is the DTC displayed again?
- Security light: 23
- WDS or equivalent: B2139/P1260
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC troubleshooting completed.