Mike's Workshop Manuals
: Service manuals for every vehicle
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Jeep
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2020
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Grand Cherokee Laredo, AWD, Automatic T/Case Control
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P152D To P2167
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DTC Troubleshooting
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P1696-EEPROM Memory Write Denied/Invalid
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Set Condition
Set Condition
The PCM writes to a EEPROM location and reads it back to confirm equivalence. Nine consecutive differences causes a failure.