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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 181 (Engine Controls - Tests W/Codes - 5.2L) >> CODES/MESSAGES (Note: For DTC table, see TEST TC-1A under "Self-Diagnostic Tests.") >> Code 63

Code 63

WARNING: This page is about a different car, the 1995 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

DRB displays PCM FAILURE EEPROM WRITE DENIED. Condition is: unsuccessful attempt to write to an EEPROM location by Powertrain Control Module (PCM).

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