SECURITY LIGHT 16, DTC U2510/P1260, U1147/P1260

B3E090201077W12

SECURITY LIGHT: 16

DTC: U2510/P1260

Communication error between the instrument cluster and the PCM (no response)

DTC: U1147/P1260

Communication error between the instrument cluster and the PCM (mismatched conditions)

DETECTION CONDITION

Instrument cluster DTC: U2510
• Communication error between the instrument cluster and the PCM (no response)
Instrument cluster DTC: U1147
• Communication error between the instrument cluster and the PCM (mismatched conditions)

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 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
Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster.
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
- WDS or equivalent: U2510 or U1147/P1260
Yes
Replace the PCM and perform the resetting procedure for the immobilizer system when replacing the PCM.
No
DTC troubleshooting completed.