chevy volt service high voltage charging system

turocy56679 June 22, 2022 charging , chevy , service , voltage Comment

The Hot weather causing a false trigger of the sensor or harness that got added to 2011-2012 Volts. GM never wanted to even have a lever sensor but were forced.

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Borrow the coolant sensor from my other Volt handy to have a spare.

. LOW coolant but most of us check that and that is NOT the reason -------------. 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. Ive been a happy Bolt owner since March when I bought a 2019 Chevy Bolt EV Premier -- until that ended yesterday evening.

Just low battery coolant. Quoted me 3500 for repairs and wont guarantee it will fix the problem. Its not a huge deal but it wi.

Discussion Starter 1 Apr 8 2019. I have a 2013 Chevrolet Volt 117k miles and the dreaded Service High Voltage Charging System message come on. Late fall of 2019 the reported range dropped precipitously to a max of 175 miles under ideal conditions.

Fixes it install the sensor defeat device 24kohm resistor for permanent fix. 6 Mar 3 2016 Edited If you can see coolant in all 3 tanks youre safe to drive. Took to local dealer today told me the issue is radiator and condenser.

SERVICE HIGH VOLTAGE CHARGING SYSTEM. If not its a broken wire. 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.

Chevrolet Volt Battery Components US. I took it in to the shop just before the holidays and they diagnosed a bad module which was. These conditions may be caused by a loss of HybridEV Battery Pack coolant or a loss of high voltage isolation within the battery.

I got the service high voltage charging system message. Just about every Chevy Volt and Cadillac ELR will get the Service High-Voltage Charging System error message at some point. 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.

They reprogrammed and recalibrated the modules and kept the car overnight to let it sit so. 2013 Volt- Service High Voltage Charging System. 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.

The low engine coolant wont cause the Service High Voltage Charging System message though. I also give a brief overview of how that system worksIf you find it helpful please. Old 12 volt batteries.

Just clearing the codes yourself will not work. Voltec Battery Warranty - 8 Years100000 Miles Canadian Voltec Battery Warranty - 8 Years160000 km. This is a POTENTIAL fix if you have this warning.

I too had a battery module replaced mine is an early 2017 Bolt 23000 miles. I recently had the Service High Voltage Charging System message on my 2013 Gen1 Volt come up. The system is now operating as designed.

Dealer service advisor states. Reset the codes and cross fingers. As many getting this - the trigger may be.

Needs a coolant reservoir for the battery and a pigtail for the level sensor and update the hybrid control power module and battery energy control module. Basically you can top off the High Voltage Battery Coolant reservoir and clear the error codes. I just had the Service High Voltage Charging System issue.

This is to prevent electrifying the vehicle chassis with high voltage. Unlike 12V systems however the potential within high voltage systems means that insulation breakdown is also a cause for loss of isolation. Joined Sep 8 2008.

2014 70k miles Voltec expires July 10th. I use my VCX Nano and GDS2 to clear the codes and fix the charging error. After taking it to the dealer they told me that the issue was caused by faults in the HPCM2 and BECM modules.

Similar to typical 12V vehicle systems loss of isolation can be as simple as a direct conductor-to-chassis short. Service High Voltage Charging System - Dropped from 170 miles range to 0 miles Hi everyone. A forum community dedicated to Chevy Volt electric.

Discussion Starter 1 Mar 3 2021. Normally charge it to 80. My two year old Bolt EV lost charging range over the winter so I took it to my local Chevy service dept.

And the cars battery will not charge on either the Blink 240V charger or the OEM 120V line charge cable. The Blink charging system has good self-testing and fault-finding capabilities and shows no problem. I actually took the Bolt on my first long distance trip last week but hadnt used it since Monday.

There is a service report on getting replacement NEW sensor and cable. If it looks OK at or above the mid-tank seam there can still be an issue with the sensor. Total out of pocket cost for me was 18618 155 for the fix and 1860 in shop fees 2.

July 22 2017. You need to get the HPCM and BECM reprogrammed at the dealership. Jump to Latest Follow 1 - 8 of 8 Posts.

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