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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 180 (Engine Controls - Tests W/Codes - 4.0L) >> CODES/MESSAGES (Note: For DTC table, see TEST TC-1A under "Self-Diagnostic Tests.") >> Code 53

Code 53

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

Scan tool displays INTERNAL PCM FAILURE. Condition is: PCM detects internal failure. MIL may not come on.



Scan tool displays PCM FAILURE SPI COMMUNICATION. Condition is: on Grand Cherokee models, PCM detects internal failure regarding Serial Peripheral Interface (SPI). MIL may not come on.



Scan tool displays PCM FAILURE SRI COMMUNICATION. Condition is: on Cherokee and Wrangler models, PCM detects internal failure regarding Service Reminder Indicator (SRI). MIL may not come on.

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