Question about Nissan 300ZX
The fuel pump control module and fuel pump have been replaced. Signal from the PCM to the ECM has been verified good at the connector to the ECM. The ECM test good. HELP.
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Posted on Jan 02, 2017
Powertrain Control Module = under right side of dash, near blower motor.
Engine Control Module = same as above
Vehicle Control Module = same as above
All Suburban vehicles are equipped with only one of these choices. Good luck.
Posted on Oct 04, 2008
I would look at the wiring around the bellhousing first to be sure you have not pinched any wires. On that truck, behind the glove box is the PCM, and another white colored box called a DRAC. The DRAC controls the speedometer not the PCM. Look into replacing it. Also check your trans and gauge fuses. Good Luck.
Posted on May 06, 2009
SOURCE: 02 dodgeram 2500 4x4 manual
the Cummins ECM communicates to a dodge VECM thats what codes you have. Cummins should not send any voltage over 5vdc to ANY sensor. If all wiring and sensors are good the Cummins ECM may have a bad driver. Only a Cummins ENSITE trouble shooting tech can narrow this down for sure. Sorry to tell ya!!
Posted on Dec 01, 2009
check the oil pressure sending unit
upon starting the fuel pump runs off a wire from the oil sender until proper oil pressure is achomplished. then the relay takes over from there
Posted on Mar 11, 2010
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