C6 service charging system

C6 Tech/Performance - Service Charging system light... - So i saw a post on this but a diff problem then mine.. My batt volt at idle is about 13 and while driving at 14.. Checked alternator and batt and they are fine.. no check engine.. however this happened twice in one month where at a stand still the idle dropped...

C6 Corvette General Discussion - Service charging system message - Hi all, Firstly I would like to thank everyone on this forum for the awesome advise and tips. I have a question on my 2006 C6 (~91000 miles).Lately I have been noticing the service charging system message pop up when the car is idle which goes away...Aug 21, 2014 ... How To Change A Battery On A Car .. Chevrolet Chevy Corvette . How To Index Windows On a Vette . How To Enter exit a Corvette When the ...Failure to follow these warnings may result in safety system compromises which could result in serious injury or death. Acorn accepts no liability for property damage, warranty claims or personal injury, including death, in this circumstance. After installation reliable operation and continual safe operation requires regular service and inspection.C6 Corvette General Discussion - Message: Service Charging system - I have a 2008 LS3. Since I bought the car I've been getting a message that says Service charging system . The only thing is I've never had any issues with it charging, voltage, or anything like that. Does anyone know what this means and what I can do...C6 Forced Induction/Nitrous - Service charging system - Service charging system notice has been coming up intermittently lately. What troubleshooting steps can I take regarding alternater, starter, etc. Thanks. ... C6 Corvette, 2005 - 2013. C6 Corvette ZR1 & Z06; C6 Corvette General Discussion; C6 Tech/Performance; C6 Scan & Tune; C6 Forced ...We explain Chase Bank's notary services, plus the fees, if all locations notarize, ID requirements, membership requirements, and more. Chase Bank doesn’t charge a fee for notary se...2006 c6 coupe, 60K miles. Service charging system notice. 2006 c6 coupe, 60K miles. Service charging system notice came on the dash. Battery voltage slowly dropped down to 11 volts. Any suggestions as too cause? ...If your Ford shows you the “Charging System Service Now” warning or the battery light illuminates, call your mechanic ASAP. This warning means your charging system needs some attention—and it could lead to your car abruptly losing power. All gas-powered Fords run on engine fuel to make it go—but they also need electrical energy to …

C6 Corvette General Discussion - "Service Charging System"?? - When my vette is at idle for more than 60 seconds, I get Service Charging System message. Do you think my battery is going out? I only have 7500 miles on the C6 (2006) and she is 3 years old. Never had a DBA or other problems with her. I can see that the...SacCityCorvette has developed a BIG 2 upgrade kit prioritized for the C6 ZR1 that has trunk mounted battery. It is made from all high quality materials and designed so it will not look like an aftermarket universal kit. This kit looks like a factory install. For safety it has a 125 amp heavy duty fuse, uses highly flexible made in USA welding ...C6 Corvette Forums. C6 Corvette General Discussion. Service Charging System? Jump to Latest Follow 2K views 3 ...The service battery charging system message means there is a fault in the charging system. An amber/yellow or red battery light may accompany it to draw your attention to the problem. When you see the message on the dashboard, there is a problem that you should immediately address. It can be caused by a faulty alternator, damaged battery ...This wiring diagram manual has been prepared to provide information on the electrical system of the Audi A6, Third generation, C6 (Typ 4F, 2005-2011). Free Online 2005-2011 Audi A6 (C6/4F) System Wiring Diagram and Component Locations in Pdf. Detailed manual for Audi A6/S6/RS6.Service active handling system and brake lights stay on for corvette.issue fixed for practically free!The Charging System Service Now light started popping up at almost 4K miles about a minute after starting the truck. When I hooked up a multimeter to test the battery voltage, results checked out fine. When I hit ok, the battery light would stay on until I drove a few miles and the auto start/stop wouldn't activate. Disconnected aftermarket ...A Service Charging System message may be displayed on the DIC and/or a low voltage reading may be shown on the volt gauge during the first several minutes after a cold start on some 2007-2010 Silverado or Sierra models equipped with the 6.6L diesel engine (RPO LMM). Some modules may set DTC B1517, SYM 03-Battery Voltage below …

Mar 17, 2010 · Here are the readings. Max Output Power 2190 watts. Max Output under full load 171 amps. Voltage Regulator Set Point 14.45 Volts. Voltage Regulator Set Point (hot) 14.43. Turn On Speed 1083 rpm. Voltage Regulator Soft Start Delay 5 secs. Voltage Regulator Load Responce Control 2 secs. Leakage Current Tested @12 volts 1.20 mAmps. A handful of Marriott hotels have been charging "sustainability fees." Here's what we know. Editor’s note: This post has been updated with a statement and information from Innkeepe...jdunn. 13 posts · Joined 2018. #44 · Jan 28, 2020. I just had the "Service High Voltage Charging System" issue. I too had a battery module replaced (mine is an early 2017 Bolt, 23,000 miles). Late fall of 2019 the reported range dropped precipitously, to a max of 175 miles under ideal conditions.C6 Tech/Performance - P0621 - Service Charging - WTF - Got the SCS message on the DIC yesterday. EFI Live pulled code P0621. Got it home just in time at 10V. ... #PIC4536B: Service Charging System Message on DIC and DTC P0621 - keywords charge fuse generator horn lamp light message open service system - (Jun 12, 2008)C6 Tech/Performance - service charging system, tr6 plugs? - well I have almost 3k miles on my build so far, went to OCMD car cruise this week end and im still getting the DIC message service charging system. I have a trick flow head/cam kit and kit said to use tr6 plugs, what im running. wires and coils are still OEM...

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2014 Volt displays "Service High Voltage charging system". Hello all. I have had my Volt for 6 years now. No issues. Suddenly I am having 3 issues. I will post the issues in 3 seperate posts. This post has to do with the message I recieved. I went to the auto parts store and purchased a OBD2 reader.C6 Tech/Performance - C6 Alternator Charging Solution - After a lot of testing with several cars here, including the pair of APS TT C6Z's that are currently the two fastest Z's in the country, we needed to find a solution to the alternator issues that plagued these and other big-HP C6's. The problem - The fuel systems...A service desk ticket system is an essential tool for any organization that wants to provide top-notch customer service. It allows businesses to track and manage customer requests,...C6 Tech/Performance - Service Charging System? - I have been getting the Service Charging System message just recently, but no problems with a dead battery. The message only come occasionally. What is the cause of this message? Is it time for a new Optima, or do I need to clean the battery terminals? Thanks, JimmyC6 Tech/Performance - Service charging system - Anyone else with a moderate or more cam get this light on periodically at idle. Any way to get rid of it. Talked to my tuner and he didn't think there was a code to turn it off or change the threshold for notification.

How to Fix Battery Charging System. If you get a sensor reading that says "service battery charging system," there are several options to pursue. You can: Check the main battery and remove corrosion at the terminals so there's a clean connection. This can be done with a cleaning solution from an auto parts store.C6 Tech/Performance - Check out our C6 Big3 Charging System Improvment Kit - Hi All, SacCityCorvette has had many request from C6 owners for a Big3 kit like our very successful C5 kit. Our C6 kit is made of the same high quality materials as the C5 kit. We did make the C6 have more of a factory look by protecting the...C6 Corvette General Discussion - Message: Service Charging system - I have a 2008 LS3. Since I bought the car I've been getting a message that says Service charging system . The only thing is I've never had any issues with it charging, voltage, or anything like that. Does anyone know what this means and what I can do...C6 Tech/Performance - Help "service charging system" - My voltage keeps dropping badly I need to know why asap. Log In; Register; Forums. New Member. Intros; ... C6 Corvette, 2005 - 2013. C6 Corvette ZR1 & Z06; C6 Corvette General Discussion; C6 Tech/Performance; C6 Scan & Tune; C6 Forced Induction/Nitrous;Many Chevrolet Corvette ZR1, Z06 and GS models built between 2006 and 2013 are equipped with a dry sump engine lubrication system. This high-performance system operates differently than a standard engine lubrication system and requires a special procedure when checking the engine oil level. When adding engine oil to these vehicles, care must be takencybervette Discussion starter. 41 posts · Joined 2007. #4 · Nov 7, 2007. Replaced the battery and that seemed to work. I put a post already for this, but does anyone know how to replace front side turn signal bulbs? thanks. This is an older thread, you may not receive a response, and could be reviving an old thread.Audi A6 (C6/4F) Quattro 2005-2010 Service Repair Manuals + Wiring Diagrams. Manual contains step-by-step procedures, detailed illustrations, diagrams, and explanations that will guide you through your servicing and repairing of your motor vehicle. Contents. ENGINE TECH DATA 3.2L V6. ENGINE TECH DATA 4.2L V8. BODY COLLISION REPAIR - GENERAL INFO.May 28, 2007 · 2005 c6 displayed service charging system and car immediately overheated. did same three weeks ago. replaced the battery and it stopped overheating and eliminated the service charging system message. is there a connection between low voltage and the car overheating?

C6 Corvette ZR1 & Z06 - service charging system - Does any1 know how do I get this message to turn off without going to dealer? Log In; Register; Forums. New Member. Intros; ... C6 Corvette, 2005 - 2013. C6 Corvette ZR1 & Z06; C6 Corvette General Discussion; C6 Tech/Performance; C6 Scan & Tune; C6 Forced Induction/Nitrous;

I would not rule out a defective battery but at the same time, all cables, connections and sensors need to be checked as well as the other components of the starting and charging system to determine what is wrong. 2016 GMC Acadia Denali AWD, Quicksilver on Black, PEP wheels... 2014 Chevy Impala Limited LTZ, 2004 GTO, 2004 GMC Yukon SLT.C6 Corvette Forums. Service Charging System on 2005 Corvette. Jump to Latest Follow. 6K views 2 replies 2 participants last post by biggulp Mar 17, 2010. biggulp …May 30, 2022 · C6 Corvette General Discussion - service charging system - ok so a few weeks ago my alternator bit the dust so i replaced it with a vatozone version (yea i know i know) anyway i went ahead and bought a new battery as well so anyway a few days later a random service charging system light come on i just clear it and... A couple of thoughts on this. If you screw up something with the wheel speed sensors you cause all 3 functions of the ABS system to fail. So if you don't see 3 service messages the problem isn't caused by a wheel speed sensor. The recall with the comb prevented fretting of the contacts in the steering sensor connector.C6 Corvette ZR1 & Z06 - Service Charging system.... AGAIN!!! wtf - Had a NEW battery put in in Feb, got checked it out a couple of weeks ago and it was good. ... Only at initial start up is when the service charging system will come on and when I have the heater/heated seats on. Right when I start drivi g it goes away, and stays at 13v.C6 Corvette, 2005 - 2013. C6 Corvette ZR1 & Z06; C6 Corvette General Discussion; C6 Tech/Performance; C6 Scan & Tune; C6 Forced Induction/Nitrous; C6 Dealer Inventory; C6 Corvettes for Sale; C6 Parts for Sale/Wanted; C6 Vendor for Sale; C5 Corvettes, 1997 - 2004. C5 General; C5 Tech; C5 Scan & Tune; C5 Forced Induction/Nitrous; Performance ...The C6 charging circuit is somewhat different but has a couple similarities. BC Reply Like 02-02-2010, 04:54 PM # ... I too have been having intermittent "Service Charging System" warnings. I have a new alternator (Bosch) and a new Optima yellow top. I found the positive lug in my starter solenoid to be loose.If the battery itself is showing 10 volts or below--it is never going to start the car. A fully charged battery should read 12.6 volts. A clicking noise heard from the started means it is not getting enough current. That can either be due to a dead/weak battery or corrosion in the cables at the connections.C6 Corvette General Discussion - 2008 C6 Service Charging System/Driver Door Wont Open - Hello, I have a 2008 Corvette Coupe with a 6 speed. I bought the car in 2013 with 28K miles. The car now has 50K on it. Everything has been fine except for recently. About 9 months ago my driver door stopped opening and I was like...C6 Tech/Performance - Service Charging System? - I have been getting the Service Charging System message just recently, but no problems with a dead battery. The message only come occasionally. What is the cause of this message? Is it time for a new Optima, or do I need to clean the battery terminals? Thanks, Jimmy

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C6 Tech/Performance - Service charging system !!! Help - ok so last night my service charging system light came on while I was on the way home, I tried to make it home and that was a fail . After about 10 minutes the battery had started to drain and shut off some accessories until it completely died and left me...Pulled the starter and the post was loose in the solenoid housing, replaced the starter, replaced the alternator with a mechman, and made a bypass cable. Been great since and never a voltage issue or service charging system message. I put on headers at the same time so i also shielded the starter from the heat.C6 Tech/Performance - Service charging system - I did a search but did not find a thread with a similar problem. Here's what I have going on: Car is up to temperature and at idle in gear (A6). I'll get the three ding chime warning and Service Charging System message on the DIC. The voltage readout on the DIC is...Popular Answer. You say it is charging at 14 amps -- this is nowhere near enough. We were speaking voltage, 14 volts is fine. But amperage would be much much higher. You can't "clear" the message. The message is a direct result of measured output of your charging system. Either the alternator itself is a concern or the wiring associated is a ...C6 Corvette General Discussion - Service Charging system - Gm people, i was pushing my car yesterday little bit then i got error:Service Charging system My car if 08 70k milles, i was looking for voltage and it began drop from 11-10.1, also my side mirrors was going up so slow then after 3-4 min my all light came on...On the way home from the store, the DIC flashed the "Service Battery Charging System" message and the battery symbol light was on as well. I checked the battery terminals for voltage when I got home and the charging system showed 12.4 volts with the car running. I replaced the alternator with a Delco about 6 or so months ago and hope like hell ...Service Charging System. After I put my cam in (BTR stage 3) and 25% underdrive pulley in I noticed I occasionally get this alert on my dash. When it happens the doors will not open. It usually comes on and goes right back off.That being said it usually only happens at long stop lights or heavy traffic. My battery is a Brand new Optima yellow ...C6 Tech/Performance - Charging System Fault - Battery Not Charging - I had to replace my battery on my 2006 and I opted to put an optima battery in it. I accidentally hooked up the battery backwards, as the negative and positive terminals were on the opposite side on the new battery(yes, I know that I am extremely...Well, we are again trying to track down the Charging System Fault in the 2001 Corvette. Turns out, the remanufactured AC Delco alternator from RockAuto.com ...C6 Tech/Performance - Ongoing Electrical problems - So my friend's 06 would start occasionally, and throw a service charging system message. Got under the car, and saw the starter solenoid post broken. We changed it yesterday, and battery voltage was great. Today, it wouldn't start, and no lights. He moved the...C6 Tech/Performance - Alternator issue - So having an issue with my charging system. I always keep the battery hooked up to a charger when the car isnt being driven. When driving the voltage drops at times to 10.8 or so on the gauge and then EVERY system light pops on. Service charging system, service ABS, service...2007 C6 Corvette – Service Bulletins 2007 Chevrolet Corvette Service Bulletins Total Service Bulletins = 46 (Updated October 29, 2014 Make: CHEVROLET Model: CORVETTE Year: 2007 Manufacturer: GENERAL MOTORS CORP. Service Bulletin Number: 4357 Date of Bulletin: NHTSA Item Number: 10020850 Component: … ….

Received 15 Likes on 8 Posts. Help! Service Charging System. Hey Guys and Ladies I'm trying to fix the "Service Charging System" on my 2011 Grand Sport and I'm looking for helpful advice from those who have experience this issue and found the fix for it. My car (Red Lucy) is a 2011 Grand Sport A6 with a Procharger D1SC, 60lb inj, Boost-a-pump ...Step 2 - Check the battery and alternator. Either component could be going bad. The most common cause of charging issues is either a bad battery or alternator. You can have both tested for free at an auto parts store, or you can check them yourself using an alternator. If you have a VAG-COM cable, you can also use the software to see if you ...C6 Corvette ZR1 & Z06 - Service Charging System Warning - Brothers and Sisters I am in need of some help. This is going to be a long post. I have a 2011 Z06 Carbon Edition #21 with 10,875 miles on the odometer. It does have some mods, heads, cam, RPM transmission, Corsa exhaust with headers and and Fast LSX intake....2006 c6 coupe, 60K miles. Service charging system notice came on the dash. Battery voltage slowly dropped down to 11 - Answered by a verified Chevy MechanicDFRobot's FireBeetle 2 ESP32-C6 is an IoT Development Board with 802.11ax ( now called Wi-Fi 6 ), Bluetooth 5, Zigbee 3.0, Thread 1.3, and flexible power options including USB Type-C, 5V DC, and a CN3165 Lithium Ion battery charger for solar-powered systems. This isn't the first solar-based board we've covered.Jul 29, 2023 · C6 Corvette General Discussion - Message: Service Charging system - I have a 2008 LS3. Since I bought the car I've been getting a message that says Service charging system . The only thing is I've never had any issues with it charging, voltage, or anything like that. Does anyone know what this means and what I can do... C6 Tech/Performance - Service Charging System??? - Yesterday while driving I noticed a small red icon that showed up on the lower left side of the gauge cluster. Appeared to be a seated person with a small circle in front of him. The battery was putting out 16 volts and shortly after that the Service Charging System...The charging system has three main components: the alternator, the voltage regulator, and the batteries. The alternator generates electrical power to run accessories and to recharge the batteries. It is normally driven by a belt located off the crankshaft. Mechanical energy from the crankshaft is converted by the alternator into electrical ... C6 service charging system, Service charging system message. Hey y'all, 2008 3.7 z71 2wd here. I was having code p2135 and ended up replacing the throttle body after my truck was going into limp mode every 2 to 50 or so miles. Most frequently within ten or so miles after clearing the code. Put the new throttle body on and 200 or so miles later it's not having that problem ..., Service Charging System. After I put my cam in (BTR stage 3) and 25% underdrive pulley in I noticed I occasionally get this alert on my dash. When it happens the doors will not open. It usually comes on and goes right back off.That being said it usually only happens at long stop lights or heavy traffic. My battery is a Brand new Optima yellow ..., I have a Ford Mondeo Hybrid 2016. It has started to display red warning "charging system - service now" intermittently. Everything seems to be running fine otherwise. Had the voltmeter on the 12v battery and with the car OFF it reads 12.65 so normal and with the car turned ON (but the engine NOT running) it reads 14.55., This test will check if the charging system can service the different electrical systems in your vehicle while still being able to recharge the battery. Ask an assistant to start the engine and hold engine speed at around 2000 rpm. Turn on all the electrical accessories like wipers, air conditioning, blower motor, headlights, and radio. ..., C6 Tech/Performance - Service Charging System - My problem and Resolution - I acquired my '07 Convertible from the US last August. Since I am in Canada, the warranty won't take effect in Canada until the car gets 12,000 km and I have it in Canada at least 6 months. When I got the car it had about 8500 km on it. Since..., Charging System Problem!! Hey there new member, so id like to apologize before hand if im posting in the wrong forum (new to how this works). Anyways been having issues with my 2007 C6 Manual lately. When i accelerate up to 4000rpms, the voltage drops significantly to about 10 or 11v. Once the rpms drop it returns to normal 14 to 14.5.., C6 Tech/Performance - Service charging system - i know there have been a few threads concerning service charging system issues,however my situation seems to be different?the car starts no problem but if i run the a/c or turn the radio on my voltage reader drops to about 13,and during idle and stop and go driving my..., 2006 Buick Lucerne. Asked by Ran822 in Philadelphia, PA on November 23, 2015. Service battery charging system light came on and I experienced symptoms of a bad alternator. I had my alternator replaced (150 amp) and after installed, the light was still on. Then, about a month later my starter went and I had it replaced., Scheduled Maintenance. Intervals for replacing wear items vary depending on how you use the vehicle. Dashboard lights will alert you to symptoms of poor performance, such as low to no fluids or system failure. Change air filters and radiator coolant every five years or 50,000 miles and spark plugs every 100,000 miles., C6 Corvette General Discussion - High Voltage/Service Active handling - Just got back from Carlisle, car ran fine during the trip. Took car out this morning, ran fine again. Parked, did some shopping, got back in and wierd things strated to happen. Noticed HUD was blinking, looked at volt gauge, was briefly at 17,..., Martin. on October 11, 2016. I have a Base C6 Corvette that is currently giving me "Service ABS, Service Traction Control, and Service Active Handling" messages on my Drivers Information Center. I have taken it to a repair shop and they claim its the right rear wheel speed sensor. Occasionally when applying the brakes, I feel a pulsation from ..., C6 Corvette ZR1 & Z06 General info about GM's Corvette Supercar, LS9 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track. ... SERVICE CHARGING SYSTEM The DIC displays the SERVICE CHARGING SYSTEM message when the ECM detects a malfunction with the generator output. The IPC receives a serial data message from the ..., Buick Lucerne service battery charging system light. 120. Asked by TheDA Jan 31, 2016 at 01:59 AM about the 2009 Buick Lucerne. Question type: Maintenance & Repair. The battery service charging message came on, engine in. reduced power light came on, traction control light, AC off. Engine hot all came on., C6 Tech/Performance - C6 Alternator Charging Solution - After a lot of testing with several cars here, including the pair of APS TT C6Z's that are currently the two fastest Z's in the country, we needed to find a solution to the alternator issues that plagued these and other big-HP C6's. The problem - The fuel systems..., C6 Corvette ZR1 & Z06 - Service Charging System Warning - Brothers and Sisters I am in need of some help. This is going to be a long post. I have a 2011 Z06 Carbon Edition #21 with 10,875 miles on the odometer. It does have some mods, heads, cam, RPM transmission, Corsa exhaust with headers and and Fast LSX intake...., This 2006 Citroen C6 Service And Repair Manual (CA039396) is an electronic format that allows you to print out the pages you need and dispose of them when you have completed your task. ... Cigarette Lighter Assy, Charging System, Charcoal Canister, Chain Sub-Assy, Center Stop Lamp Assy, Center Cluster Module Switch, Manual, Toyota, Toyota ..., Apr 29, 2011 · Subject: Service Charging System P0621 DTC Stored - keywords alternator battery charge dic generator gauge light low ls2 ls7 voltage #PIC4402A - (04/11/2007) Models: 2007 Chevrolet Corvette -----This PI Supersedes To Include Looking For Short On Generator Bracket. Please Discard PIC4402. , Customer service is a crucial aspect of any business, and having an efficient ticketing system can greatly enhance your ability to provide top-notch support to your customers. As y..., C6 Corvette General Discussion - Service charging system & service active handling - Hey guys i have 05 c6 with around 80,000miles on it. I recently got 2 warnings first one is Service charging system which comes constantly and goes away for few mins second is service active handling which only came couple of times..., C6 Tech/Performance - Service charging system - Anyone else with a moderate or more cam get this light on periodically at idle. Any way to get rid of it. Talked to my tuner and he didn't think there was a code to turn it off or change the threshold for notification., ls1 ls2 ls3 ls7 ls9 service charging system, The Design Guide is a simplified training guide which enables the reader to develop a fundamental understanding for the Combined Charging System. The Guide explains and clarifies the system architecture, system activity, charging communication and safety measures of the Combined Charging System. These information are based on relevant Standards ..., C6 Corvette General Discussion - C6 Service Charging System - i looked into this on here and keep seeing this issue related to the horn fuse...however in my case, my horn works fine from what i can tell :)... what im noticing on mine is two different things 1)voltage meter is only around 9-10v when its usually around..., Jun 10, 2013 · 1. Check for aftermarket spark plugs. Plugs that are designed with a "Pulse" technology may interfere with this circuit and cause the Service Charging System message to illuminate on the IP and/or P0621 DTC store in the ECM. If aftermarket plugs are installed, replace plugs with OEM parts. , C6 Corvette General Discussion - Probable Cause: Service Charging System - Ok gents, I've been having subtle problems with my charging system that came to a head today. About three weeks ago I got a P0621 code (Alternator warning lamp - circuit malfunction) that went away after clearing and never came back. At that..., Similar thing happened to my c6 when the blower went on. I would get service charging system all the time when sitting at idle. Turned out to be the TR6 plugs were the problem. They are known for causing low voltage. Something with the copper causing higher resistance or something. The fix was to put in the colder OEM ZR1 plugs., A misdemeanor battery charge is the illegal use of force that results in physical harm to another individual. This charge can also include objectionable touching. In the court syst..., A bad voltage regulator can also trigger the "Charging System: Service Now" warning in the dashboard of the vehicle. To diagnose the cause of the problem, start by ensuring that the battery and alternator are all working well. With no other parts possibly triggering the charging system issue, proceed by assessing the quality of the voltage ..., I picked up the car and everything seems good so far. Interesting side note: The service ticket has a section for recommended service at 30,000 miles: oil & filter change, tire rotation replace wiper blades, replace air filter,perform fuel injection service, service battery and cables and check charging system - estimate cost $326. no comment!, 2005 Chevrolet Corvette. As for the charging system fault: Check the battery connections for clean and tight and properly torqued battery terminal connections. Also check the terminals on the starter solenoid for proper tightness. The alternator charges the battery thru the main terminals on the starter solenoid., When you start your C6, the voltmeter should be in the 13.4 area. As you drive, the voltmeter reading should rise to the 14.0-14-6 area. This indicates that the battery has topped off and is fully charged. The rule of thumb is that an alternator’s voltage output is lower when it is charging higher amps., C6 Tech/Performance - Alternator issue - So having an issue with my charging system. I always keep the battery hooked up to a charger when the car isnt being driven. When driving the voltage drops at times to 10.8 or so on the gauge and then EVERY system light pops on. Service charging system, service ABS, service..., C6 Corvette General Discussion - service charging system message - I have an 05 coupe A4, I got a service charging system message the other day. I took it to the local dealership and they troublshot it down to an inoperative low frequency horn and blown horn fuse. They said after replacing the fuse the message no...