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gray0317

Stranded by VSS? Need experienced input on Freightliner Diesel MH

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SOLVED - WHEN BATTERY WAS REPLACED GROUND WAS NOT REATTACHED CORRECTLY

Need some experienced input, we are disabled and would like to get moving to our final destination.

Highway driving, no problems all accessories running (CD, AC, lights, etc).  ABS light comes on goes off a couple times, its wet, so I'm not too worried.  Check Engine message flashes then very soon after the coach slows to a crawl but sounds OK.  I make it to the end of the next offramp maybe a mile or two.  Coach stalls and can not be restarted.  Call for tow.

While waiting for tow truck I have the hazard lights on and the two transmission indicators (dialed in RND and actual) are flashing with the hazard lights (intermittently a * and then N my selected and actual gear).

After a bit I try to start it and it does.  Sounds fine.  I think about cancelling the tow, but as an experiment I turn it off the try to start again, no luck (does turn over slowly). Get towed to a Freightliner savvy facility.

The tow operator "dropped the driveshaft" to tow it.

Next day (Saturday light half day shift at the shop) engine batteries check bad and are replaced.  Now check engine light comes on after starting and the transmission shift buttons do not light and will not engage to drive.  Wait till Monday (tomorrow) for more experienced tech to be working.

Only active code is Engine Fault code SPN 84 FMI 2 OC 9 on dash info center.

What do ya all think?

07 Winnebago Tour 40 TD (pre DEF), Cummins 400, Allison Trans (3000 or 4000).

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Check battery voltage.  If below 12  VDC, you can chase a lot of codes.  So bad batteries, loose or corroded connections, etc.

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59 minutes ago, wolfe10 said:

Check battery voltage.  If below 12  VDC, you can chase a lot of codes.  So bad batteries, loose or corroded connections, etc.

Batteries are new and code is active after batteries replaced.

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Gray0317, that fault code is a loss of vehicle speed signal, which also explains why the ABS light illuminated. Diagnostics on that could go easy or difficult. An authorized Freightliner repair facility should be able to help in narrowing the root cause down.

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4 hours ago, jleamont said:

An authorized Freightliner repair facility should be able to help in narrowing the root cause down.

We are there, I'm hoping it's a loose connection or bad sensor.  I need hope to get me through a couple days wait over the weekend.  Friday afternoon breakdowns are the worst.  I'm sleeping on the street.

Hopes and prayers appreciated!

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7 hours ago, gray0317 said:

We are there, I'm hoping it's a loose connection or bad sensor.  I need hope to get me through a couple days wait over the weekend.  Friday afternoon breakdowns are the worst.  I'm sleeping on the street.

Hopes and prayers appreciated!

Let us know what they find.

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