No crank, No obd2, blinking theft light
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Junior Member
Joined: Nov 2022
Posts: 1
No crank, No obd2, blinking theft light
2007 expedition. 5.4 v8
Wife went to start car, made it a few feet, acted up and threw the wrench on dash.
i check the obd2 data, comes up with codes
p0135, p0155, p0443, p0010, p0020, p0102
p0135
I clear the codes, they all come back. Open the hood to start checking fuses, notice the wiring harness that goes to a couple 02 sensors, and the transmission has landed on exhaust and burnt a few wires.
I remove the harness, fix the wires, put the harness back in.
in.Car starts but throws all the same codes. Take the harness back out thinking i messed a connection. ohm meter them, they a have continuity. Put harness back in.
Go to start the car, dash comes up showing kms for a split second, then dashes for kms, fast blinking antitheft, wont crank over, also now obd2 wont pull codes(powers up scanner though). Then changed out blown fuses 70 and 74 under hood. still nothing.
Wife went to start car, made it a few feet, acted up and threw the wrench on dash.
i check the obd2 data, comes up with codes
p0135, p0155, p0443, p0010, p0020, p0102
p0135
I clear the codes, they all come back. Open the hood to start checking fuses, notice the wiring harness that goes to a couple 02 sensors, and the transmission has landed on exhaust and burnt a few wires.
I remove the harness, fix the wires, put the harness back in.
in.Car starts but throws all the same codes. Take the harness back out thinking i messed a connection. ohm meter them, they a have continuity. Put harness back in.
Go to start the car, dash comes up showing kms for a split second, then dashes for kms, fast blinking antitheft, wont crank over, also now obd2 wont pull codes(powers up scanner though). Then changed out blown fuses 70 and 74 under hood. still nothing.
Senior Member
Joined: Jun 2010
Posts: 16,662
Difficult to diagnose over the net.
Suspect there is another open somewhere that supplies power to the above components resulting in the codes.
Lets hope it is only an open somewhere and not a damaged PCM.
This is a little out of your hands without a diagram and understanding of how the affected components operate.
You might consider having a qualified shop check it out..
Suspect there is another open somewhere that supplies power to the above components resulting in the codes.
Lets hope it is only an open somewhere and not a damaged PCM.
This is a little out of your hands without a diagram and understanding of how the affected components operate.
You might consider having a qualified shop check it out..
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