Range reading too optimistic after update and won't adjust

[tattar8]

After the most recent update hit my MME (4.1.3), the range estimate increased from the fairly realistic (in Michigan winter) 150-ish at full to close to the EPA estimated max range of 220 miles. I've read here that this is because the update probably reset my driving history and that it will come back down as it builds that history up again. The trouble is that it hasn't changed -- it continues to show 220 at full charge almost a month after that update was pushed. What gives? I'm planning a road trip and am concerned the nav won't accurately guide me to charging stations if it thinks the car can go a lot farther than reality.

Sponsored

 

[hybrid2bev]

After the most recent update hit my MME (4.1.3), the range estimate increased from the fairly realistic (in Michigan winter) 150-ish at full to close to the EPA estimated max range of 220 miles. I've read here that this is because the update probably reset my driving history and that it will come back down as it builds that history up again. The trouble is that it hasn't changed -- it continues to show 220 at full charge almost a month after that update was pushed. What gives? I'm planning a road trip and am concerned the nav won't accurately guide me to charging stations if it thinks the car can go a lot farther than reality.

I wouldn’t trust the onboard navigation trip planning even before the OTA update affected the GOM. Unless you want to end up at a random dealership 25kW “fast charger”.

After multiple 1,000 mile trips with 4-5 charging stops per day, I’ve found a method that works great for me.

1. Pre-plan
Use A Better Route Planner to determine where to stop and establish your SOC goals for each stop. Use PlugShare to validate the chargers and find backup locations. Save a screenshot of the ABRP plan to your phone, noting the SOC estimates.

2. Save each charger location in the onboard navigation.
Examples: Save Electrify America stops as ‘EA’ and the city name. And ChargePoint as ‘CP’ and the city name. That way when you click on the “Where to” button on the nav and type ‘EA’ or ‘CP’, your list of saved chargers will be automatically sorted out for you.

3. On the day before the trip validate chargers are working in PlugShare. Adjust your plan if needed.

4. On the day of the trip, navigate to each charger one by one.
Use your ABRP screenshots so you know what to charge to at each point. Adjust SOC goals if your consumption is too high or too low. I’ve found that only having one destination entered at a time will make the navigation system easier to deal with.

 

[Electric Goat]

I wouldn’t trust the onboard navigation trip planning even before the OTA update affected the GOM. Unless you want to end up at a random dealership 25kW “fast charger”.

After multiple 1,000 mile trips with 4-5 charging stops per day, I’ve found a method that works great for me.

1. Pre-plan
Use A Better Route Planner to determine where to stop and establish your SOC goals for each stop. Use PlugShare to validate the chargers and find backup locations. Save a screenshot of the ABRP plan to your phone, noting the SOC estimates.

2. Save each charger location in the onboard navigation.
Examples: Save Electrify America stops as ‘EA’ and the city name. And ChargePoint as ‘CP’ and the city name. That way when you click on the “Where to” button on the nav and type ‘EA’ or ‘CP’, your list of saved chargers will be automatically sorted out for you.

3. On the day before the trip validate chargers are working in PlugShare. Adjust your plan if needed.

4. On the day of the trip, navigate to each charger one by one.
Use your ABRP screenshots so you know what to charge to at each point. Adjust SOC goals if your consumption is too high or too low. I’ve found that only having one destination entered at a time will make the navigation system easier to deal with.

It's unfortunate that this is what we have to do. This is why I just tell everyone to just buy a hybrid and to wait to buy a BEV for as long as possible.

 

[hybrid2bev]

It's unfortunate that this is what we have to do. This is why I just tell everyone to just buy a hybrid and to wait to buy a BEV for as long as possible.

Yeah, it’ll be easier once the infrastructure improves. But I really enjoy the trip planning. I also enjoy the whole experience, it’s a fun game to see if my plans play out as expected.

 

[alexgorod]

2. Save each charger location in the onboard navigation.
Examples: Save Electrify America stops as ‘EA’ and the city name. And ChargePoint as ‘CP’ and the city name. That way when you click on the “Where to” button on the nav and type ‘EA’ or ‘CP’, your list of saved chargers will be automatically sorted out for you.

I saved the charging locations with names like "T1s2" for the first trip, and the second stop, with an additional description like "EA at Walmart", but at least all my stops were grouped together in the saved location list.

 

[Mach-Lee]

I’m guessing you have standard range battery. So yes 220 mi is too high. Try pulling the 12V battery terminal. I have steps at the bottom of this article: https://www.macheforum.com/site/threads/my-gom-is-actually-accurate-?.26292/

 

[meinhard57]

I wouldn’t trust the onboard navigation trip planning even before the OTA update affected the GOM. Unless you want to end up at a random dealership 25kW “fast charger”.

After multiple 1,000 mile trips with 4-5 charging stops per day, I’ve found a method that works great for me.

1. Pre-plan
Use A Better Route Planner to determine where to stop and establish your SOC goals for each stop. Use PlugShare to validate the chargers and find backup locations. Save a screenshot of the ABRP plan to your phone, noting the SOC estimates.

2. Save each charger location in the onboard navigation.
Examples: Save Electrify America stops as ‘EA’ and the city name. And ChargePoint as ‘CP’ and the city name. That way when you click on the “Where to” button on the nav and type ‘EA’ or ‘CP’, your list of saved chargers will be automatically sorted out for you.

3. On the day before the trip validate chargers are working in PlugShare. Adjust your plan if needed.

4. On the day of the trip, navigate to each charger one by one.
Use your ABRP screenshots so you know what to charge to at each point. Adjust SOC goals if your consumption is too high or too low. I’ve found that only having one destination entered at a time will make the navigation system easier to deal with.

Great advice - thanks.

Sponsored