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Home >> Chevrolet >> 1997 >> Forward Control 6.5 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Engine Controls - Tests W/Codes - 4.3L) >> Trouble Code Charts >> Code 52, Faulty CALPAK

Code 52, Faulty CALPAK

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Ensure all pins are fully inserted in socket. If okay, replace CALPAK, clear memory and recheck. If Code 51 reappears, replace control module.