Lightning range fail

[RickLightning]

Here is the roadside for EVs.

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If you’re more than 35 miles from home, Roadside Assistance will tow your all-electric vehicle to the nearest charge station or Ford EV-certified dealer. This service comes with the purchase of your Ford electric vehicle and is good for the first five years or 60,000 miles, whichever comes first.

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[RickLightning]

Emergency towing for F-150L. YOU DO NOT NEED TO START THE TRUCK, ONLY USE ACCESSORY MODE!

EMERGENCY TOWING -

VEHICLES WITH: 12.3 INCH SCREEN
If your vehicle becomes inoperable without access to wheel dollies or a vehicle transport trailer, it can be flat-towed with all wheels on the ground, under the following conditions: • Your vehicle is facing forward for towing in a forward direction. • You switch Emergency Tow on. • Maximum speed is 35 mph (56 km/h). • Maximum distance is 50 mi (80 km).

Switching Emergency Tow On
1. Properly secure your vehicle to the tow vehicle.
2. Switch your vehicle on to accessory mode. See Starting and Powering Off (page 194).
3. Apply the parking brake.
4. Press Settings.
5. Press Vehicle.
6. Press and hold Emergency Tow until a confirmation message appears on the touchscreen.
7. Press and hold the brake pedal.
8. Shift into neutral (N). Note: A confirmation message appears in the instrument cluster.
9. Release the parking brake.
10. Switch your vehicle off. Note: Power is required for this procedure and requires the 12V battery to be charged.

Switching Emergency Tow Off 1. Switch your vehicle on. 2. Press and hold the brake pedal. 3. Shift into park (P). A message displays in the instrument cluster and park (P) displays in the instrument cluster and on the shifter.

EMERGENCY TOWING - VEHICLES WITH: 15 INCH SCREEN If your vehicle becomes inoperable without access to wheel dollies or a vehicle transport trailer, it can be flat-towed with all wheels on the ground, regardless of the powertrain and transmission configuration, under the following conditions: • Your vehicle is facing forward for towing in a forward direction. • You switch Emergency Tow on. • Maximum speed is 35 mph (56 km/h). • Maximum distance is 50 mi (80 km).
Switching Emergency Tow On
1. Properly secure your vehicle to the tow vehicle.
2. Switching your vehicle on to accessory mode. See Starting and Powering Off (page 194).
3. Apply the parking brake.
4. Access the vehicle drawer on the touchscreen.
5. Press Settings.
6. Press Vehicle.
7. Press and hold Emergency Tow until a confirmation message appears on the touchscreen.
8. Press and hold the brake pedal.
9. Shift into neutral (N). Note: A confirmation message appears in the instrument cluster.
10. Release the parking brake.
11. Switch your vehicle off. Note: Power is required for this procedure and requires the 12V battery to be charged.

Switching Emergency Tow Off 1. Switch your vehicle on. 2. Press and hold the brake pedal. 3. Shift into park (P). A message displays in the instrument cluster and park (P) displays in the instrument cluster and on the shifter.

 

[RickLightning]

DO NOT CLOSE THE FRUNK UNTIL YOU RESOLVE THINGS.

On the Mach-E, you can't open doors or frunk without power in the 12V. F-150L battery also in frunk. Leave it open until you resolve things.

 

[hturnerfamily]

disconnect the 12v battery, wait 30 seconds, reconnect...

 

[Amps]

Buy li-on jump pack, Amazon has lots of them, too.
Keep in vehicle.
Periodically make sure it is charged

 

[greenne]

disconnect the 12v battery, wait 30 seconds, reconnect...

I have to ask...is the 12v battery a normal, available 12v? If so a trip to the autoparts store may be in order. I know you shouldn't have to pay(warranty) but a quick battery switch *may* resolve the situation quickly.

 

[RickLightning]

I have to ask...is the 12v battery a normal, available 12v? If so a trip to the autoparts store may be in order. I know you shouldn't have to pay(warranty) but a quick battery switch *may* resolve the situation quickly.

It is not.

 

[RickLightning]

But guess what? You can't move it into neutral without starting the truck. It won't start with 5% battery and the 10 miles of range it dropped to just sitting there.

You do not need to start it, just follow the directions in Accessory mode which I posted.

 

[FlasherZ]

It is not.

Even so, the video is clearly noting a depleted traction battery pack, and no errors with the LVB. Disconnecting it for 30 seconds will reboot things and perhaps the car will let you attempt to drive on the traction battery again, but normally that's not the case. But I would bet a crisp Benjamin that the LVD isn't his problem right now.

 

[vandy1981]

DO NOT CLOSE THE FRUNK UNTIL YOU RESOLVE THINGS.

On the Mach-E, you can't open doors or frunk without power in the 12V. F-150L battery also in frunk. Leave it open until you resolve things.

That's not true for the Lightning.

 

[p52Ranch]

I have to ask...is the 12v battery a normal, available 12v? If so a trip to the autoparts store may be in order. I know you shouldn't have to pay(warranty) but a quick battery switch *may* resolve the situation quickly.

The 12v battery is smaller that the typical 12v ICE battery. It only has 380 CCA with very little reserve capacity. I don't think it would start my 31 hp mowing machine.
But temporarily, any 12v automotive battery could supply the power needed.

 

[greenne]

The 12v battery is smaller that the typical 12v ICE battery. It only has 380 CCA with very little reserve capacity. I don't think it would start my 31 hp mowing machine.
But temporarily, any 12v automotive battery could supply the power needed.

Interesting..wonder why they went with a small battery. I get that it isn't used to start the engine, but I had a Ford hybrid that always used the "big battery" 330v to start the ICE engine. It had a normal 12v battery...

 

[p52Ranch]

Interesting..wonder why they went with a small battery. I get that it isn't used to start the engine, but I had a Ford hybrid that always used the "big battery" 330v to start the ICE engine. It had a normal 12v battery...

I think it is the same size battery as the MME. I'm sure they went with the smallest possible size for two reasons: Cut manufacturing costs and reduce weight.

 

[greenne]

I think it is the same size battery as the MME. I'm sure they went with the smallest possible size for two reasons: Cut manufacturing costs and reduce weight.

Maybe..it was nice with then hybrid because I could run down to any Autozone/Advance Auto and pick up a new battery...

I can say as an aside that when the battery went dead in the hybrid it died quick and the car was DOA. No sliding scale of weak battery or anything...when it went dead NOTHING electrical worked.. even those ran off the big battery. I guess what I'm trying to say is the 12v battery is critical to the system, even if it isn't in use. At least that was the deal with Ford gen 1 & 2 hybrids.

 

[FlasherZ]

I think it is the same size battery as the MME. I'm sure they went with the smallest possible size for two reasons: Cut manufacturing costs and reduce weight.

It's simply because a big battery isn't needed to drive a huge starter motor. It's needed to provide safety mechanisms to disable HV from being active 100% of the time. And unlike your starter batteries on your typical ICE, which are used to start the engine then kept topped off, these batteries are deep-cycled more (but aren't necessarily designed for it).

Their job is to 1) enable contactors in the battery pack to enable HV energy to those systems that need it, and 2) keep regular systems alive so the vehicle can continue to operate while "off".

They're kept small because there's no need to make them huge and expensive, because the HV pack can kick on and power things.

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