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P0320 Diagnostic Trouble Code Discussion for March 2009

No Crank Reference Signal To PCM

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Trouble Ticket Help Requests for DTC P0320
Help Request Posted
2004 Jeep Grand Cherokee Overland 4.7L No Start, Cuts out, MIL Lamp on VIN: 1J8GW68J64
P0320: No Crank Reference Signal To PCM. Can anyone enlighten me as to what may be causing this bizzare behavior? Thank you for your time! Engine dies at either idle or open throttle Cold or Hot. Long crank time before firing up always a good signal trace from CKP sensor @ PCM. On occasion sets ...
March 14, 2009
1995 Chrysler Cirrus LX 2.5L No Start VIN: 1C3EJ56H4S
P0320: no crank signal to pcm. hello to all you technicans out there.i've got this 95 2.5 driving me a little crazy.i have no spark or injector signal.i have power to everything.but,no signal.i go to the crank sensor. i have 8.66 volts on pcm+ and less than an ohm on ground side, i have 4.9...
March 16, 2009
2004 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW48N04
P0320: No Crank Reference Signal To PCM. this jeep is driving me crazy!!!car runs great untill it stalls.when it stalls scantool ckp sensor counts continue to count coils continue to fire asd stays on fuel pump continues to run and will not let clear dtc's because it thinks engine is still running!!!...
March 18, 2009