SECURITY INDICATOR LIGHT: 16, DTC: U0100:87/P1260:00 [IMMOBILIZER SYSTEM]
id0902e4908600
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Description |
Communication error with PCM (no response or data mis-match) |
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Detection condition
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• Start stop unit detects a communication error (no response or immobilizer system cancel not possible) with the PCM.
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Fail-safe function
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Not applicable
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Possible cause
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• The immobilizer system-related parts have not been programmed when replacing the PCM or start stop unit.
• Start stop unit malfunction
• PCM malfunction
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System wiring diagram
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Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Action |
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1
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PERFORM IMMOBILIZER SYSTEM-RELATED PART PROGRAMMING
• Perform the start stop unit replacement and programming due to simultaneous replacement of start stop unit/PCM.
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—
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Go to the next step.
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2
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VERIFY THAT REPAIRS HAVE BEEN COMPLETED
• Clear the DTC for the immobilizer system using the M-MDS.
• Retrieve the immobilizer system DTCs using the M-MDS.
• Is the security indicator light: 16, DTC U0100:87/P1260:00 displayed?
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Yes
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Replace the start stop unit and perform Step 2 again.
• If the malfunction recurs, replace the PCM, then go to the next step.
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No
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Go to the next step.
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3
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VERIFY IF OTHER DTCs DISPLAYED
• Are any other DTCs displayed?
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Yes
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Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
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No
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DTC troubleshooting completed.
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