C6 service charging system

General F150 Discussion - 2016 F150 "charging system service now" - Hi, guys, I am new to this forum and now I hope somebody can help me with my 2016 F150. Last year I bought a 2nd hand 2016 ecoboost 2.7 supercab F150 and it is good until a few months ago. Now every time it fire up, the warning charging system service...

C6 service charging system. 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...

C6 Corvette ZR1 & Z06 - Service charging system - I put a new alternator from Napa and a brand new Optima yellow top and now I'm getting service charging system vette won't start unless I jump it starter bolts are tight all that. Is it true the voltage regulator in this alternator may not work I'm gonna return it in...

Sep 2, 2020 · C6 Corvette General Discussion - 2006 C6Z "Service Charging System" - Good afternoon, I picked up a C6Z last week and a Service Charging System banner showed up yesterday. The car threw a P0621 code. From what I've read from other users, a common fix is to switch back to OEM spark plugs, but it didn't fix it for mine.... C6 Corvette General Discussion - Service Charging System - My service charging system came on about a week ago, it took about two days for me to notice the negative feedback from this, I noticed the volts went from 14 to below 13 while driving. I took the vehicle to the dealership because I was getting a click after...2008 C6 One my second battery and second alternator. Cold start voltage is 14.4v w/accessories 14.1v to 14.2v @ idle After warming up I notice a voltage drop. Fully warm @ idle my voltage will drop down to 11.9v almost killing my car and go up to 12.6v- 12.9v roughly. So I instinctively thought alternator.LI, NY. Posts. 15. 07 08 c6 service electrical system message. so I have multiple 07 and 08 C6 A6 cars tuned with LT, CAI and mufflers. We have this problem after the vehicles are tuned they display a service electrical sysytem message intermittently on the DIC sometimes accompanied by a P0621. Put the stock tune back in and the problem goes away.C6 Corvette ZR1 & Z06 - Service charging system - I put a new alternator from Napa and a brand new Optima yellow top and now I'm getting service charging system vette won't start unless I jump it starter bolts are tight all that. Is it true the voltage regulator in this alternator may not work I'm gonna return it in...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.C6.6. Price: US$ 45.00. Sample: Caterpillar C6.6 Industrial Engines (p1121-p1124).pdf. Complete service repair manual with Electrical Wiring Diagrams for Caterpillar C6.6 Industrial Engines, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.Received 30 Likes on 27 Posts. Charging System Fault. My 2001 C5 keeps throwing up the charging system fault every 2 minutes or so and there is nothing wrong with my charging system at all it is really perfect and no charging issue at all. I keep watching for new places to look and other owners fixes and the systems so forth.

Thx for the info. New twist to my "service charging system" message:although Chevy says that one terminal of the alternator was defective and not putting out sufficient volts, the new alternator has not fixed the "sevice charging message" from coming on. Chevy dealer said that the idle, which is at 650, needs to go to 700rpm to eliminate this ...Charging System Failure Causes. The most common cause of a charging system failure is a bad alternator or a bad voltage regulator inside the alternator. It could also be due to a broken serpentine belt or something simple, like a blown fuse. Here is a more detailed list of the possible causes of a charging system failure: 1. Bad Alternator1 / 2. Forum Jump. C6 Corvette General Discussion - Service Charging System - OK, the damn car is dinging again. It seems to have an issue when I'm driving in the city and shifting gears a lot. It dinged all damn morning today while I was on a Corvette cruise down in central Florida. My voltage when it is dinging NEVER goes below 13v.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...Jun 6, 2008 · The alternator wires lay across the alternator bracket and one of them had worn through and was arcing on the bracket. When the wire made contact with the bracket it would send the service charging system message. I only had about 4000 miles on the Vette when the problem started. I replaced the worn wire and placed both alternator wires in a loom. LI, NY. Posts. 15. 07 08 c6 service electrical system message. so I have multiple 07 and 08 C6 A6 cars tuned with LT, CAI and mufflers. We have this problem after the vehicles are tuned they display a service electrical sysytem message intermittently on the DIC sometimes accompanied by a P0621. Put the stock tune back in and the problem goes away.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 ...

The Service Battery Charging System warning message is a common issue encountered in the Cadillac DeVille, and many other modern GM vehicles. When this message appears, it indicates that there is a problem with your DeVille's charging system that needs immediate attention.In many cases, you might also notice an amber, yellow, or red battery light accompanying the message on your dashboard.The Service Battery Charging System warning message is a common issue encountered in the Chevy Impala, and many other modern GM vehicles. When this message appears, it indicates that there is a problem with your Impala's charging system that needs immediate attention.In many cases, you might also notice an amber, yellow, or red battery light accompanying the message on your dashboard.C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, ... leaking out from one of them a couple nights ago. They were replaced with AC delco coils. After I got it done, I got a service charging system on the DIC. At first I thought it was a glitch and ignored it ...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.Vita contin git. Vive com eo! MSM '06 DTE Forged 415ci LS3 510rwhp/472TQ, RPS, DeWitts, Pfadt Coilovers, DTE 4.10 w Brace, MGW 35% Full GS Widebody C6Z Wheels and Brakes

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The maximum amount of money that a Notary Public can charge for his services in the state of New York is $2. However, many Notary Publics opt to provide their services for free. Fo...Oct 14, 2023 · C6 Corvette ZR1 & Z06 - Service charging system - I put a new alternator from Napa and a brand new Optima yellow top and now I'm getting service charging system vette won't start unless I jump it starter bolts are tight all that. Is it true the voltage regulator in this alternator may not work I'm gonna return it in... C6 Z06 - Grandstand. Service Charging System...AGAIN!! WTF!??? Jump to Latest Follow. 31K views 32 replies 15 participants last post by flacy1980 Aug 29, …4201 posts · Joined 2012. #4 · Jan 13, 2015. It may not be both. Just one could be faulty. One is primary and the other is secondary. If one is at fault it is recommended to replace both together, same as batteries. NOTHING WORKS LIKE A CHEVY TRUCK. 2007.5 Silverado 2500HD WT 4X4 LMM Victory Red.Some customers may comment of a "Service Charging System", "Service Electrical System" and/or a "Battery Voltage Low" message on the DIC accompanied by DTC P0621 in the PCM. This may be the result of a shorted wire on the generator bracket or a cut in the stator winding that is caused from high engine RPM, usually because the engine hit the rev ...

Diagnosing Alternator Problems. Service Charging System Fix. How to Test an Alternator. How to locate and fix problems with your charging system. Bad Alte...Jul 4, 2009 · C6 Tech/Performance - Service Charging System - I've seen it three times in three days, Service Charging System. When I first start it up, then see the DIC message. I then see the analog battery voltage down around 12 or possibly less, touch the gas a little and it'll jump up to 13 and appears that it starts charging.... 06 C6 service charging system. I have a 06 c6 with auto transmission with 35k miles. I went for a ride on monday and everything was fine, battery voltage was always around 14-14.2 (it's a month old battery). After I started the car the next day and drove it a couple of hundred meters, it smelled like there is an electrical burning somewhere and ...Charging the battery didn't help since I still got the service charging system warning upon starting the car. So, I tested the charging system and used my scanner to check the obd system and I attached the results as a PDF to this email and below.-My battery went up to a high of 13V and fluctuated between 12.7v- 12.8v at Idle.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;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;C6 Tech/Performance - Service charging system STILL - Alright guys 6 days ago I bought a new red top. 2 days ago my system was overcharging (maxed out volt gauge) and popped my battery (battery acid around battery, don't worry I neutralized it). That same night I got a new alternator and drove it with the popped...C0161 indicates an issue with the brake pedal position sensor, however, if you have that code the systems should remain functional. The IPM supplies a 5V reference to the brake pedal position sensor and could along with other things be the source of the C0161 but more than likely this code isn't the source of your Service Messages.

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.

Jul 4, 2009 · C6 Tech/Performance - Service Charging System - I've seen it three times in three days, Service Charging System. When I first start it up, then see the DIC message. I then see the analog battery voltage down around 12 or possibly less, touch the gas a little and it'll jump up to 13 and appears that it starts charging.... The Service Battery Charging System warning message is a common issue encountered in the Buick Lucerne, and many other modern GM vehicles. When this message appears, it indicates that there is a problem with your Lucerne's charging system that needs immediate attention.In many cases, you might also notice an amber, yellow, or red battery light accompanying the message on your dashboard.Preventing the 'Service Battery Charging System' Warning. Now that you know how to diagnose and deal with the "Service Battery Charging System" warning, let's talk about how to keep it from showing up in the first place. Here are some practical tips to help you avoid this pesky warning. Regular Maintenance and InspectionsRelay Fault. Power down stairlift, wait 5 minutes and power on, or call Stairlift Medics. F2. Fault. Brake Fault <18V. Power off/on stairlift to reset. Drive stairlift to charge point for 1 hour; or call Stairlift Medics. F3.I show how to troubleshoot and repair a 2004 Corvette Z06 Driver Information Center message "Charging System Fault". by froggy33 posts · Joined 2005. #16 · May 23, 2006. active handling TSB. For all of you having "Service Active Handling" warnings, there is a TSB addressing this issue (1749061) which results in the replacement of the steering wheel position sensor (code C0710). I had this done yesterday along with an oil change - took 2 hours.70 posts · Joined 2016. #1 · Jun 12, 2016. I've got an odd one that I can't solve. I am getting an intermittent battery light with the Check charging system warning. I have pulled the alternator off and had it checked, verified that the battery is grounded properly and has a full charge, the battery is a year old.C6 Corvette General Discussion - Service Charging System - Couple of days ago I got a Service Charging System message at a red light. By the next red light I had messages stating just about any other system you can think of were no longer working. ... The C6 does strange electrical stuff when the battery is weak. Reply Like 12-18-2019, 04:55 PM ...system to become hard; allowing them to crack and leak the pressurized. Freon. The easiest fix for a faulty air conditioning system in your. Chevrolet Corvette is to recharge the system. Modern air conditioning. systems use R-134a refrigerant as it is more environmentally friendly. than the older R-12 refrigerant.The battery charging system checks the health of your battery, alternator and voltage regulator. The voltage regulator is a simple device that regulates the amount of voltage going into your vehicle. If it senses too much or too little, it will adjust accordingly to maintain a 14.5-15.5V charge. A bad voltage regulator may cause all sorts of ...

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hexagod Discussion starter. 330 posts · Joined 2017. #1 · May 20, 2021. I was driving my G8 today and the display popped up with "Service Charging System" .. is there a way to scan this for specific code? I have a 2000 watt class D amp and 2 12s that drain the system pretty badly.Look on corvetteforum for some clues and diagnostic steps. It's almost always the battery. I replaced mine and lots of weird lights and behaviors went away. Traction control, ABS, …C6 Corvette ZR1 & Z06 - "Service Charging System" error - SOLVED - Hey guys, Haven't been active here for AGES, but just thought i'd chime in, as i recall this Service Charging System problem seems to be recurring for many people, and I recently finally solved this one.Drove 10 miles and my battery light came on and the DIC shows "service battery charging system." I check my volts and I am at 14.9 volts. Lights work, radio plays, car runs, and so on. Checked my connections at the alternator, plug and cable seem ok. Today I woke up and upon entering the vehicle and turning the key, DIC reads Stabilitrak ...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.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 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 - Service Charging System? - Hey folks, 2006 Corvette Z51, 3LT, manual transmission, 88,000 miles. About a week a go, I was driving and dropped the hammer to redline through 1st and 2nd gear and I noticed the volt gauge drop to about 11 volts, it went back to normal about 14.3...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 ... ….

Generally, police case numbers are not open to the public. Since police officers make arrests and investigate crimes, but only courts charge people with crimes, police records are ...Received 435 Likes on 372 Posts. While I would not run a larger charger through the lighter plug, a tender puts out very little current and will not stress the plug at all. An actual cigarette lighter draws many times more current through the plug and the plug is designed for that.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 takenHi, Just had the same issue with my Sahara, went to the dealer and in 1 minute the system has been reset. It turns out according to the engineer that something happened during charging out site the vehicle: power outage f.i. once this message appears on your dash there is nothing you can do yourselves the dealership has to reset the system. as said it is a 1 minute job but extremely ...With the Service Battery Charging System warning, you know there's something wrong with the charging system. Considering the charging system includes the battery, alternator, wiring and electronic control unit (ECU), the fault could be with any of these components. When the charging system doesn't function as it should, the battery could die.2008 C6 One my second battery and second alternator. Cold start voltage is 14.4v w/accessories 14.1v to 14.2v @ idle After warming up I notice a voltage drop. Fully warm @ idle my voltage will drop down to 11.9v almost killing my car and go up to 12.6v- 12.9v roughly. So I instinctively thought alternator.I would also have the system fully checked out at the Autoparts store. Have them do a full system load test and charging system check. I would also conduct this test. Use a Multimeter DCV on a scale that will read 0-20 VDC. Measure the BATT terminal on the back of the alternator TO the POSITIVE Battery terminal.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... C6 service charging system, Service active handling system and brake lights stay on for corvette.issue fixed for practically free!, The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Some customers may comment that the Service Charging System message displays on the DIC. Using the Tech2, DTC P0621 is stored. This may be a result of aftermarket spark plugs or an open in circuit number 2540., C6 Tech/Performance - Service charging system message - I am currently working on a 2007 Corvette Convertible, 6.0L, auto where the alternator went bad and was totally charred. Replaced the alternator, which repaired the charging rate, but it shorted out the ECM as well. Although charging fine, the check engine light..., C6 Corvette: General Information and Specs. Since 2005, every version of the C6 has included engineering changes affecting either the engine, drivetrain, brakes, or steering and handling. Read this brief history of C6 performance improvements. This article applies to the C6 Corvette (2005-2013). Production on the sixth generation of the ..., 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 ..., 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 …, 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 ..., Prev. C6 Corvette General Discussion - Service Charging System - OK, the damn car is dinging again. It seems to have an issue when I'm driving in the city and shifting gears a lot. It dinged all damn morning today while I was on a Corvette cruise down in central Florida. My voltage when it is dinging NEVER goes below 13v., Causes and fixes for a Chevy or GMC that has a "service battery charging system" message on the dashboard. Chevy and GM Battery Current Sensor on Amazon: htt..., C6 Tech/Performance - "Service Fuel System" & Check Engine Light - Yesterday, my gas gauge on my '05 C6 went to empty (actual 3/4) and the Service Fuel System message appeared on my dash. The gas gauge fluctuated from actual to empty and everytime the same message appeared.:ack: Later, my check engine light came on as..., The Service Battery Charging System warning message is a common issue encountered in the Buick Encore, and many other modern GM vehicles. When this message appears, it indicates that there is a problem with your Encore's charging system that needs immediate attention.In many cases, you might also notice an amber, yellow, or red battery light accompanying the message on your dashboard., C6 Corvette ZR1 & Z06 - Service Charging System - 2 days ago i took my car from the conteiner in the port. Tryed to start the engine but the batter was dead. we tryed with starter and it started. When i was driving home at night,the voltage was going down down down until the car stoped. So i decided to check the..., C6 Tech/Performance - Service Charging system?? - Got a 06. Just put new dry cell battery. Car runs good except when I accelerate I hear a slight whistle noise from alternator. Got home pop hood and smells like burnt hair. Anyone with alternator problems in new vette?, 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!, C6 Z06 - Tuning & Electronics. Service Charging system?? Jump to Latest Follow. 7K views 4 replies 4 participants last post by luweegy May 24, 2009. Darius …, The BCM and the ECM will send a serial data message to the driver information center for the BATTERY NOT CHARGING SERVICE CHARGING SYSTEM or SERVICE BATTERY CHARGING SYSTEM message to be displayed. It is commanded ON when a charging system DTC is a current DTC. The message is turned OFF when the conditions for clearing the DTC have been met., C6 Tech/Performance - Service charging system message - I am currently working on a 2007 Corvette Convertible, 6.0L, auto where the alternator went bad and was totally charred. Replaced the alternator, which repaired the charging rate, but it shorted out the ECM as well. Although charging fine, the check engine light..., Feb 16, 2020. #3. Charging system is managed by the computer my guess if you replaced it with the correct one then you clear the fault code and it comes back then something going on with your computer. Testing the output of the Alternator be a good starting point. Check your fusible links on the battery terminals ant burnt out., 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., 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..., 1 / 2. Forum Jump. C6 Corvette General Discussion - Service Charging System - OK, the damn car is dinging again. It seems to have an issue when I'm driving in the city and shifting gears a lot. It dinged all damn morning today while I was on a Corvette cruise down in central Florida. My voltage when it is dinging NEVER goes below 13v., C6 Tech/Performance - "service Charging System" - I did do a search before I posted.. But wanted to add a little more what mine is doing... on my 07 MN6, Last night some strange stuff started happening. When I Hit the LEFT Signal light or push the 4-way flashers the display reads SERVICE CHARGING SYSTEM on DIC.-- as..., Small businesses often struggle with providing quality customer service due to limited resources and a small staff. However, investing in a reliable phone system can greatly improv..., Jeep just came out with a software update on June 27, 2022 that attempts to fix the charging problem with the 4xe. The notes on the software update instruct the jeep dealer to first flash the software update. If the charging problem persists they are instructed to replace one of the charge modules., Alternator Problem solved! A while back there was a thread concerning a DIC warning about Service Charging System. Sorry but could not find it but I wanted to find out what others have had done to cure the problem. At high RPM the DIC would give a warning and the battery voltage would drop to around 10 volts. This would then go away …, 1. Make a Visual Inspection of the System. With the engine off, pop the hood open and visually inspect the different components of the charging system. Look for a worn-out or loose drive belt, alternator connection problems, loose alternator mounting bolts, and corrosion and dirt around the battery case and cables., 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 ..., C6 Corvette General Discussion - Service charging system - I have replaced the alternator with a ULTRA brand alternator from O'Reillys...the battery was purchased brand new from the dealer a month ago when I replaced the starter. The SERVICE CHARGING SYSTEM message still displaces and the Voltage guage does not go..., I recently had my engine rebuilt and i am now getting the message "service the battery charging system". I thought it was the battery, so i took it to autzone, were they told me it was no longer a good battery. I got the battery replace, however I am still getting the same message. I was reading on a forum that it could be that i need to update ..., 99 Deville Service Charging System. I've been working on my 99 Deville. One of the issues I'm facing is "service charging system". Now I have replaced the alternator, battery, tensioner, idler pulley and belt. Both the battery and alternator test good. They have both been tested at an auto parts store and with an ohm reader, performed by myself., Re: 2005 SRX - Display Reads "Service Charging System", Battery light on, check engin Updates: Since a day or so after my original post, the check engine light has not come back on, and no codes on the tester. However, the Service Charging System warning continues to display intermittently. I had a chance today to look as thoroughly as I could., 890 posts · Joined 2008. #1 · Aug 12, 2014. Had the "ALTERNATOR" warning light come on today followed by the aforementioned "Service Charging System" warning. Also, for a few minutes, the "Low Battery" light came on. Battery voltage reported anywhere from 11.2 when the car was first started to 14.4 while driving down the highway., After gathering information with the scan tool, it’s time to inspect the Chevy Corvette’s alternator and the voltage regulator. To do this, use a multimeter. Start your vehicle and measure the voltage at the battery terminals. A healthy charging system should provide approximately 13.5 to 14.5 volts.