Aug 30, 2016 · Once completed, (following the special instructions) it "mimics" a properly operating sensor at the correct coolant level, PERMANENTLY mitigating the possibility of ever getting the …

Nov 6, 2021 · I brought my 2012 Volt (143k miles) in today, sporting the Service High Voltage Charging System message/code. I had already topped off the battery coolant in the reservoir and replaced the …

Nov 8, 2021 · common problem on having to reprogram the BECM and HPCM2 ( because of lock out code ) is low battery coolant level or float switch problem ( the switch or the wires ) or the sensor has …

Dec 28, 2023 · The P1E00 is a generic "there's a problem with battery things" code - basically it'll be triggered whenever the P0AA6 is triggered. And, the P1FFF is also a generic "service high voltage …

Apr 24, 2023 · When driving, the high voltage battery charges the 12 volt, so its really 14.5 volts or so. (Windshield washers are probably only checked while the car is turned on, so its also using a higher …

Aug 17, 2017 · Kudos to WOT for developing his battery coolant level reservoir sensor replacement/defeat plug. This device essentially mimics the electrical characteristics of a properly …

Oct 13, 2024 · Heated oxygen sensor (HO2S) 2, bank 1 - low voltage General Electrical Failures [0x00] Status: GM failure record ---------------------------- U183E [0xD83E] Lost Communication with OnStar …

The temperature sensor is a variable resistor that measures the temperature of the hybrid/EV battery cell groups. The hybrid/EV battery interface control module supplies 5 V to the signal circuit and a …

Jul 3, 2022 · Also see measuring the coolant sensor resistance 2012 "Service High Voltage Charging System &quot... Making a coolant sensor defeat: 2012 "Service High Voltage Charging System &quot...

Oct 16, 2023 · I’d check for any loose connections in the harness or possible corrosion that could be affecting the voltage reading. If the dummy plug isn’t providing a consistent signal, even slight …