SECURITY LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS AND START SYSTEM)]
id0902e3356800
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DTC |
Security light flashing pattern |
16 |
Communication error between keyless control module and PCM (no response/condition mismatch) |
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M-MDS display |
Keyless control module |
U0100:87 |
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PCM |
P1260:00 |
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POSSIBLE CAUSE
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• Malfunction in wiring harness (CAN line) between keyless control module and PCM
• PCM malfunction
• Keyless control module malfunction
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Diagnostic Procedure
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Step |
Inspection |
Action |
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|---|---|---|---|
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1
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VERIFY DTCs
• Clear DTCs using the M-MDS.
• Verify DTCs using the M-MDS.
• Is a DTC displayed for either the keyless control module or PCM, or both?
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Yes
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Perform troubleshooting according to the corresponding DTC inspection.
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No
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Go to the next step.
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2
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VERIFY DTCs
• Clear DTCs using the M-MDS.
• Verify DTCs using the M-MDS.
• Are DTCs output?
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Yes
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• Inspect DTC P1260:00.
(See DTC P1260:00 [ZJ, ZY].)
• Go to the next step.
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No
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Go to step 4.
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3
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VERIFY AFTER REPAIR
• Clear DTCs using the M-MDS.
• Verify DTCs using the M-MDS.
• Are DTCs output again?
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Yes
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• Replace the keyless control module and program the immobilizer system-related parts.
• Go to the next step.
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No
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Go to the next step.
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4
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Verify if other DTCs are displayed.
• Are any other DTCs output?
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Yes
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Perform the corresponding DTC inspection.
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No
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DTC troubleshooting completed.
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