SECURITY LIGHT 12, DTC B2103/P1260

id0902e4800700

SECURITY LIGHT: 12

• Coil antenna malfunction
• The PCM determined a malfunction in the coil antenna even though it is normal.

DTC: B2103/P1260

DETECTION CONDITION

• Coil antenna malfunction
• The PCM determined a malfunction in the coil antenna even though it is normal.

POSSIBLE CAUSE

• Coil antenna malfunction
• Poor connection of the coil antenna connector
• PCM malfunction

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
INSPECT CONNECTOR CONNECTION
• Are the coil antenna connector and the instrument cluster connector securely connected?
Yes
Replace the coil antenna, then go to the next step.
No
Connect the connector securely.
2
INSPECT PCM
• Turn the ignition switch to the ON position.
• Is the DTC displayed?
- Security light: 12
- WDS or equivalent: B2103/P1260
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC troubleshooting completed.