chevy volt service high voltage charging system

selby70011 July 01, 2022 charging , chevy , system , voltage Comment

It is the 1 leading cause of the Service High Voltage Charging System error. Fixes it install the sensor defeat device 24kohm resistor for permanent fix.

Volt Guide Repair Service High Voltage Charging System 2012 Chevy Volt Solar Socket Forums

The high voltage battery coolant reservoir is located on the passenger side of the engine compartment.

. The high voltage battery coolant reservoir in the vehicle is filled with a 5050 mixture of DEX-COOL engine coolant and deionized water. This caused the Service High Voltage Charging System SHVCS warning to appear on the. Borrow the coolant sensor from my other Volt handy to have a spare.

Put the car into service mode by pressing Start for about 10 secs without pressing the brake pedal and connect the dongle and test the connection with VX Manager. Install the javascript program. Total will be 200ish and youll be able to read all of the codes and clear the service high voltage charging system yourself.

If it looks OK at or above the mid-tank seam there can still be an issue with the sensor itself that the dealer will have to check out. The system is now operating as designed. And after 2 weeks got the car back with a replaced front section of the battery pack and 186 mile range previous weather was cold so I assume it doesnt recover until I drive longer in warm weather.

You need to get the HPCM and BECM reprogrammed at the dealership. Unlike 12V systems however the potential within high voltage systems means that insulation breakdown is also a cause for loss of isolation. SERVICE HIGH VOLTAGE CHARGING SYSTEM Message Displayed on Driver Information Center DIC HybridEV Charging System Disabled DTCs Set Revised HV Battery Surge Tank Coolant Fill Level.

A video about how fix service. So my first Chevy Volt dealer experience. General Motors is offering to perform free battery-pack inspection and repairs for owners of its range-extended electric Chevrolet Volt to correct a.

Basically you can top off the High Voltage Battery Coolant reservoir and clear the error codes. Chevrolet Volt Battery Components US. Chevy Volt P1FFF System Isolation Coolant Level Sensor Fault is a common fault that can caused by various things.

Discussion Starter 1 Apr 8 2019. Its not a huge deal but it wi. Reset the codes and cross fingers.

Total out of pocket cost for me was 18618 155 for the fix and 1860 in shop fees 2. Discussion Starter 1 Mar 3 2021. 2011-2014 Chevrolet Volt and 2014 Cadillac ELR models may not charge and have DTC P0AA6 HybridEV Battery Voltage System Isolation Lost set in the HybridEV Powertrain Control Module 2 HPCM2.

SHVCS Service High Voltage Charging System This is a 2013 with about 58k miles. I parked it Friday and put it on charge Saturday I drove it around to the back of the house and adjusted the tire pressures then returned it to the charge position but since it was fully charged I did not plug it in. These conditions may be caused by a loss of HybridEV Battery Pack coolant or a loss of high voltage isolation within the battery.

It takes a while to install 20 mins and there are lots of screens to click yes and install to. Ive been a happy Bolt owner since March when I bought a 2019 Chevy Bolt EV Premier -- until that ended yesterday evening. I also give a brief overview of how that system worksIf you find it helpful please.

I use my VCX Nano and GDS2 to clear the codes and fix the charging error. Just about every Chevy Volt and Cadillac ELR will get the Service High-Voltage Charging System error message at some point. If not its a broken wire.

I do wish the error would simply say. After taking it to the dealer they told me that the issue was caused by faults in the HPCM2 and BECM modules. Stephen Edelstein June 21 2014 Comment Now.

Hopefully this will reduce the of trips to the dealer to have the charge system reset. Had a small leak in battery coolant radiator and the coolant levels dropped below the threshold acceptable by the sensor in the reservoir tank. GM never wanted to even have a lever sensor but were forced.

They do now fill the coolant tank a bit higher than before. Normally charge it to 80. Get a vcx nano from Amazon and a tis2web programming subscription.

GMChevy Vehicle Models That Usually Have The Problem with Service Battery Charging System Message. To clear it you reprogram hpcm2 with the latest software then it gives you a clear DTCs option after it flashes. Since it was a safety thing for battery fires they had to lock it down so it trips from even the smallest level sensor blip and it would trip a secured code to prevent people from just clearing it.

July 22 2017. This test will tell you if the batterys low voltage is responsible for the service battery charging system message. I recently had the Service High Voltage Charging System message on my 2013 Gen1 Volt come up.

This is a POTENTIAL fix if you have this warning. If using this mixture nothing else needs to be added. Voltec Battery Warranty - 8 Years100000 Miles Canadian Voltec Battery Warranty - 8 Years160000 km.

Just clearing the codes yourself will not work. Just low battery coolant. The low engine coolant wont cause the Service High Voltage Charging System message though.

Coolant low instead of the cryptic Service High Voltage Charging System. Service High Voltage Charging System - Dropped from 170 miles range to 0 miles Hi everyone. Similar to typical 12V vehicle systems loss of isolation can be as simple as a direct conductor-to-chassis short.

This is to prevent electrifying the vehicle chassis with high voltage. They reprogrammed and recalibrated the modules and kept the car overnight to let it sit so. I actually took the Bolt on my first long distance trip last week but hadnt used it since Monday.

My two year old Bolt EV lost charging range over the winter so I took it to my local Chevy service dept. Heres the screen.

Service High Voltage Charging System Error Message Fix And Reset Youtube