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TDI Conversions Discussions on converting non TDIs into TDIS. More general items can be answered better in other sections. This is ideal for issues that don't have an overlap and are very special to swaping engines.

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Old February 10th, 2018, 11:43   #1
Nozzleman's Avatar
Join Date: May 2014
Location: About 15 miles from Venus
Default ALH CAN-BUS issues

After 8 months not working on it, I finally got back on my Ranger a month or so back.

Trying to make the ALH PCM (Malone stage 4) talk to the aftermarket interface (tach, glow plug etc) via CAN-BUS.

I got the truck running but have an issue where the CAN-BUS shuts down after it runs for about 30 seconds. I have removed everything except the DLC port wires that is not required to make the engine run.

Got good power and ground and I get the proper tach signal out of the interface until it shuts off, yet the tach does not work. Swapped clusters and same thing. Turn the ignition the tach does its bounce, start it and it goes to idle rpm but won't move past that when revved.

Any ideas?

Thanks in advance.
2003 Jetta (wifes)

2002 Ford Ranger ALH. IT'S ALIIIIVE!

1978 Ford F250 4x4 Supercab 6bta, NV4500, Dana70/60.
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Old February 19th, 2018, 04:22   #2
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Join Date: Jan 2016
Location: Pa
Fuel Economy: 35

My ranger is doing the exact same thing lol I have no idea why it’s doing it. Mine I go in vag com to adjust timing and it shuts off. Same thing clearing codes.
2000 ranger alh swap daily driven
dual valve springs, pistons flycut and decompressed, arp rod bolts main studs head studs, h beam rods, pnp, frank06 cam and oil pump, fueled, sb drag clutch, fass 150, hx30-hx40 compound, nx water meth kit, special injectors, 11mm pump, 3.5in downpipe to 4in rest of the way back.

Last edited by BigTurboAlh; February 19th, 2018 at 04:37.
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