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P1633 Diagnostic Trouble Code Discussion for September 2006

TCM Internal - Test External Watchdog Performance

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Trouble Ticket Help Requests for DTC P1633
Help Request Posted
2000 Ford Taurus SE 2-Valve 3.0L MIL Lamp on VIN: 1FAFP55UXY
P1633: keep alive memory voltage low. ... its off no codes are stored ,if its on,you cant shut it off or it will lose the code,and the code it sets is the p1633 KAM volts low. anyone seen this before,any common faults. do i just check power at pcm and if its ok replace the pcm.
September 12, 2006