SECURITY LIGHT 22, DTC B2141/P1260

id0902e4801400

SECURITY LIGHT: 22

Communication error between the instrument cluster and the PCM (data transfer error)

DTC: B1241/P1260

DETECTION CONDITION

• Communication error between the instrument cluster and the PCM (data transfer error)

POSSIBLE CAUSE

• Malfunction in the wiring harness (CAN line) between the instrument cluster and 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
VERIFY DTC
• Using the registered key, turn the ignition switch to the ON position.
• Is the DTC displayed?
- Security light: 22
- WDS or equivalent: B2141/P1260
Yes
• Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
• Go to the next step.
No
DTC troubleshooting completed.
3
EXAMINE INSTRUMENT CLUSTER AND PCM
• Is the DTC displayed again?
- Security light: 22
- WDS or equivalent: B2141/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.
4
EXAMINE PCM
• Is the DTC displayed again?
- Security light: 22
- WDS or equivalent: B2141/P1260
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC troubleshooting completed.