P0320 Diagnostic Trouble Code Discussion for January 2014
No Crank Reference Signal To PCM
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| Help Request | Posted | |
| 1999 Jeep Cherokee Sport 4.0L No Start VIN: 1J4FF68S6X P0320: No Crank Reference Signal To PCM. We have checked everything on this system 3 times again. Ecm tests bad. Hard to believe 2 bad in a row - same codes. Original ecm had completely different code sets - bad checksum code - ecm bad. Help please. |
January 19, 2014 | |
| 1997 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1J4FX58S2V P0320: No Crank Reference Signal To PCM. Hi,I greatly appreciate your time. This Jeep will run for weeks then all of a sudden stall. I have checked powers,grounds,unwound the wiring harness and checked every inch of the harness between the pcm and crank, cam, coil. Client had replaced the pcm with a ... |
January 20, 2014 |
