C6 service charging system

114 posts · Joined 2004. #1 · Nov 26, 2006. 07 z with 150 or so miles, driving on the freeway and this code pops up. Everything works fine and you can tell the charging system is working so I hit reset, wait about 5 min and it comes back on again this time with a ringer. I keep hitting reset as it kept popping up.

C6 service charging system. 2. once charged then check individual battery cell specific gravity. ( this will tell true condition of each battery cell, 6 cells at 2.2 volts = 13.2 vdc). allow battery to cool after charging. 3. The following shows the approximate state of charge at various specific gravities at 77ºF / 25ºC. Charged Specific Gravity.

Hi all. Periodically I'm getting a "Service Charging System" message on the dash and power steering cuts out. Seems to only happen at idle and only randomly and usually goes away quickly. Voltage meter on the dash appears to be low as well when it happens. Took it to the dealership and they replaced the alternator but that clearly didn't fix it.

C6 Tech/Performance - Service Charging System - Last night I started to hear a chirping sound from the alternator. On my way home I got the service charging system and voltage fell to 11.5V. I had to drive ~5 miles home and by the time I got there it was down to 11.1. Luckily I made it home but now I have to drop a...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...C6 Tech/Performance - Do we have a definative answer for "Service CHarging System"? - A couple of weeks ago the Service Charging System message displayed on my DIC. It goes away after a second or two. It has randomly come back a few more times since then. I can't seem to pinpoint any common characteristics as to when...High Output Intercooled Supercharger System. 2008-2013 Corvette C6 LS3. P-1SC-1 Supercharger, 45-50% HP @ 7 psi. Standard Straight Cut Gear Set. Satin Finish. View Details. $7,999.00. Estimated to ship direct from manufacturer on 05/13/24, pending manufacturer availability. Learn More.C6 Tech/Performance - '06 A6 - Service Charging System on DIC - I am getting the message Service Charging System on my '06 A6. Usually it happens when I first start it and the volts gauge is at 10v or so until the car runs for a few seconds then it jumps up to 13 or 14v. This morning on the freeway it came on twice...33 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.2. once charged then check individual battery cell specific gravity. ( this will tell true condition of each battery cell, 6 cells at 2.2 volts = 13.2 vdc). allow battery to cool after charging. 3. The following shows the approximate state of charge at various specific gravities at 77ºF / 25ºC. Charged Specific Gravity.C6 Corvette ZR1 & Z06 - "Service Charging System" warning & TR6/7 spark plugs - 3500 miles ago I did heads 'n cam on my 07. I'm running PRC 265 heads, Katech's Torquer cam and a host of other mods. Since the installation I received many and intermittent Service Charging System messages on the DIC. Often voltage would...

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 ... C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, ... #PIC4536B: Service Charging System Message on DIC and DTC P0621 - keywords charge fuse generator horn lamp light message open service system - (Jun 12, 2008)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 Tech/Performance - Service Charging System - Driving today, I get a message on the DIC Service Charging System . I notice the voltage is at 11.5. As I continue to drive, more electrical things begin to have problems - ABS, Traction Control. Voltage starts dropping and holds at 9 volts. Turn signals gone, lights...C6 Corvette General Discussion - Service Charging System - Hello, The Service Charging System has come up and gone a couple of times in last week (2011 C6 GS). I have in the meantime replace the battery and the alternator. It still gives me the message. Pretty disappointing. I'm thinking there is something in the fuse...C6 Tech/Performance - Service Electrical System - I just had a custom tune for my 2008 C6. The next day I was getting a message to Service Electrical System. ... "SERVICE CHARGING SYSTEM" "Press the RESET button to acknowledge that you have read the message and to remove it from the display. The message will reappear every 10 …

A6 / S6 (C6 Platform) Discussion - '06 Alternator/Battery Charging issues - Howdy AudiWorld! I've got a challenge that seems a little common after doing several searches here; Alternator that appears to charge well/Battery that won't charge. ... Electric System Malfunction. 1.3k 424.1k Dipstick in / out. 10 262 02-02-2020, 09:16 AM ...Service Charging System light came in my 2011 GS last night and wouldn't start up after i turned it off. Tested the battery and alternator today and they were good, any suggestions of what I should do next? ... Back in another C6 Z06 (with the Z07 Package) ... Check charging system light came on in car wash and immediately went back out.With the vehicle not running and the car sitting over night the battery voltage should be between 12.5 and 12.8 volts. With the car running the voltage should be in the 13.5 to 14.5 volts plus or minus a few tenths. If you are driving and you see a reading of 12.3, you better get it checked out. "Because of the one-pointed time awareness in ...Service Active Handling Problem Fixed. I too have had the message "Service Active Handling" which was preceded by the illumination of the air bag lamp (unrelated). I took it to my local dealer here in Lebanon, Oregon (Primasing Motors). They took about an hour to trace the problem to the left front shock absorber.2007 DTS w/ service charging system. Hello, So here is my issue, I know my battery is good, I have had it checked. Originally before I took it in to have it checked (before it was completely drained), the volts just completely kept dropping. Today after putting the battery back in and making sure the Alternator wire was secure, the volts have ...C6 Z06 Specific Topics. C6 Z06 - Tuning & Electronics bad electrical failure (08 Z06) Jump to Latest ... 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 ...

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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. 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 ...1. A Dead Alternator. If your alternator is bad or dead, your charging system will fail. Most features in your car will fail, and the battery can soon die. The alternator can die because it is old or has much damage. Its parts, like the generator, fuses, or cables, can have various faults.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 ...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 ...

1st time @ the dealership: New Battery. 2nd time @ the dealership: Software Update needed on the BCM. 3rd time @ the dealership: They found a short on the grounding wire (on the passenger's side). 4th time it happened: Connected the ST to my phone's hotspot, ran a software update. Warning Message went away & the battery icon on the right side of the fuel gauge disappeared too.I got the "Charging System Service Soon " message at 82 degrees so its not related to cold weather. It does seem to come on just after the first start of the day about 5 to 10 minutes after start . Dealer still has no idea what's going on. Reply Like. 05-08-2021, 02:00 AM.C6 Corvette ZR1 & Z06 - "service electrical system" - Just had this trouble code come up on my D I C :eek: It came and went 3-4 x at highway speed. The connections on the alternator seemed tight & OK Ran a scan and no codes came up. It is at the dealer will let everybody know what is up. The battery voltage when the...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...C6.6. 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.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 ...C6 Forced Induction/Nitrous - Service Charging system - Hi Guys, I have a Vortech supercharger and in the last few months I have Service Charging system display for about 1 sec and then it would disappear. It would usually happen at idle (stop light). I took the car to the dealership and they said it was because I am...C6 Tech/Performance - Criteria for "Service Charging System" - I have looked in different places but can not find what criteria needs to be met for the car to display the Service Charging System Message. I have been having this come up and have looked into all of the things that people say and have troubleshot...C6 Corvette General Discussion - "Service Charging System" - I just picked the car up from being shipped up from Texas. When they put it on the truck they failed to put it in reverse to the battery was dead. We jumped it and didn't have a problem all day. I guess, I must not have put the car into reverse myself when I...

Dead Battery Syndrome is a problem that can be managed. Read on to learn how. This article applies to the C6 Corvette (2005). Dead Battery Syndrome is something that has exclusively affected the manual transmission 2005 C6 Corvette. It isn't something that has been able to be replicated in any controlled settings by the folks at General Motors.

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 ...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 ...13 posts · Joined 2016. #1 · Oct 24, 2019. Ford has had my truck for four days now on the "Service Charging System Now" alert. Monday, codes were indicating the primary alternator was running way out of spec. They tried downloading a new software version to the ECM but that didn't solve the problem. They ordered a new alternator.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 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...#1 · Aug 7, 2009. I have 2006 Conv with 13,000 miles, 3 1/2 yrs old. Has Lingenfelter Cold Air, Melrose LT Headers with hi-flow cats hooked to Magnaflow Exhaust, HP tune. "Svc charging sys" msg has been coming on randomly for about two months now- most frequently, when at idle. Dropped car at Chevy dealer this morning to check out.

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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 ...Jun 12, 2014 · Finally it just hit and cranked. Charged in the low 12's then suddenly went into the 13's and 14's. I thought, maybe the charging system finally caught up. All last night and this morning it was at high 13's and 14's. After lunch it went to 12's and then to low 11's and flashed me with "service charging system". Interactive Voice Response (IVR) systems have become an integral part of customer service in various industries. These automated telephony systems are designed to interact with cal...Where does Norwegian Air fly? How much do they charge for baggage? Does Norwegian have business class? Here's an in-depth report of ticketing/fare options, added costs (like baggag...2005 corvette check charging system message 2005 corvette had new battery installed and is no. Messaging to chek the - Chevrolet 2005 Corvette question ... how to disable c6 corvette alarms Just replaced the battery and the rear alarm (thru the speaker) do not shut off. ... Service Active Handling, ABS and Traction Control Lights on.May 3, 2022 ... hey Kevin -- just ran into another issue where my 2005 C6 Corvette wouldn't start. When we would hit the starter button, all the gauges ...C6 Corvette General Discussion - Service Charging System - Hey guys, I have a 2007 Base LS-2 with 224,000 on the clock, and I have intermittent no start issues, but have been able to start the Vette by opening the hood and wiggling the wires. (Yep, I can sometimes be Mr. Goodwrench.) yesterday after about 250 miles on...2009 Corvette: Service Campaign: OnStar System Inoperative 267 July 15, 2014 Electrical and Ignition 1137 Below are 2 PDF documents consisting of an electrical schematic for the 2006 Corvette's starting - charging system. ….

C6 Tech/Performance - Service Electrical System - I just had a custom tune for my 2008 C6. The next day I was getting a message to Service Electrical System. ... "SERVICE CHARGING SYSTEM" "Press the RESET button to acknowledge that you have read the message and to remove it from the display. The message will reappear every 10 minutes until this ...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...Check all your fuses if you had a system failure it could have blown a fuse. I am not sure on your vehicle where the fuse is in the car or under the hood it could also have a relay. You can check your alternator by checking the voltage at the back of the alternator where the big wire bolts on. You should have 14+ volts at the alternator.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...10 posts · Joined 2011. #1 · May 2, 2011. So I have been having alot of trouble with my 06 Mustang V6 check charging system light coming on. recently I have noticed that when I start my car there is no light and after about 9 or 10 mins of driving the light comes on. I have read that the shaker 500 radio could be causing the problem but am ...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 ...Method 1: Disconnecting The Battery. To reset the Service Battery Charging System Light by disconnecting the battery, follow these steps: Open the hood: Find the hood release lever inside your vehicle and pull it to open the hood. Locate the battery: Take a look around your engine bay to find the battery.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... 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 ... C6 service charging system, C6 Corvette General Discussion - "Service Charging System?" - What is this? It came on at the track tonight. It sporadically comes on but only at idle. Nothing seems wrong with the car. ... 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 - Charge Service system when car started - Hello, I noticed a couple days ago when I start my car it tells me service charging system for roughly 10 seconds. It sits around 12V, and then goes to 14ish and fine the rest of the day., 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..., Nov 26, 2006 · 114 posts · Joined 2004. #1 · Nov 26, 2006. 07 z with 150 or so miles, driving on the freeway and this code pops up. Everything works fine and you can tell the charging system is working so I hit reset, wait about 5 min and it comes back on again this time with a ringer. I keep hitting reset as it kept popping up. , Service active handling/low voltage on dash C6, When your car’s battery light starts flashing, it’s a clear sign that there might be an issue with your alternator. The alternator is responsible for charging the battery and power..., Is your air conditioning system not functioning as efficiently as it used to? Are you experiencing inconsistent cooling or strange noises coming from your unit? These could be sign..., 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..., 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 ..., The battery charging system varies with cars depending on how old the car is. The charging system in most cars comprises the electronic control unit or the computer, the battery, the alternator, and the wiring. Cars made before the 1990s had charging systems that needed a voltage regulator to optimize the alternator's function., Service battery charging system. My 2013 Malibu has 14300 miles on it and it unfortunately died on me yesterday. As soon as I got to the McDonald's drive thru the power steering went out then the car did. After getting it pushed off to a parking spot, I attempted to turn it on. It began clicking and the screen said service battery charging ..., 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., 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..., Here’s a systematic method to diagnose a charging system problem: 1. Check the Dashboard Warning Lights. Battery Light or Alert: If the battery light or a specific alert like “Charging System Service Now” is illuminated on your dashboard, it’s a clear indicator of a potential charging system issue. 2., C6 Tech/Performance - Service Charging System message - This may be old news but When you get this message check the main 12V positive terminal on the STARTER MOTOR !!!! IF it has any looseness at ALL the solenoid housing it is most likely the source of the charging system problem. A good place to buy parts is Rock..., Then, tried OBD Eleven and tried clearing faults again, but they kept reappearing. Disconnected OBD Eleven. Turn Start on-off a few times and then, System Malfunction message went away. Plugger EA charger in again, but got Initialization message on VC and EA charger, but could not bypass. Re-scanned OBD Eleven again and there were new Battery ..., C6 Tech/Performance - Service Electrical System - I just had a custom tune for my 2008 C6. The next day I was getting a message to Service Electrical System. ... "SERVICE CHARGING SYSTEM" "Press the RESET button to acknowledge that you have read the message and to remove it from the display. The message will reappear every 10 minutes until this ..., Ok so pretty major issue popped up with the 4XE this afternoon. Driving on 95N in esave when the engine just cut out and RPM went down to zero. Display had the red electric charge symbol with a message "Service charge system now" and "Place car in park" with the Drive showing a flashing D. We coasted the JL over to the shoulder., Service charging system message came on took to the dealership they replaced alternator message will not go away codes were cleared reset button was pressed message still there. 2006 Chevrolet Corvette. Asked by btrudelle in Sarasota, FL on . February 07, 2016., 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. ..., 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 ..., The High Output Intercooled ProCharger supercharger system has been delivering ground shaking power for Chevy’s C6 Corvette since it was first released in August 2005. With the coolest charge air temperatures and lowest parasitic load in the industry, this ProCharger supercharger system produces over 600 horsepower on stock LS2 motors with ..., 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., 1st time @ the dealership: New Battery. 2nd time @ the dealership: Software Update needed on the BCM. 3rd time @ the dealership: They found a short on the grounding wire (on the passenger's side). 4th time it happened: Connected the ST to my phone's hotspot, ran a software update. Warning Message went away & the battery icon on the right side of the fuel gauge disappeared too., 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 …, 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..., Then, "vehicle speed may be limited". It finally settled on a check engline light and the dreaded "Service Charging System" message. If yours behaves the same as mine (Aug 20 build), these might go away after a few "good" restarts. By the time I got it to the dealer, no CEL or codes (they claimed) were evident., 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., 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., C6 Tech/Performance - Service Charging System - I'm getting service charging system message and voltage drops to 11.5 at idle when lights are on. I just change cam and UD pulley on the car on a 06 C6 MN6. Need some input :thumbs: Thanks in advance :thumbs:, C6 Corvette ZR1 & Z06 - Service Charging System - Yes, I know its a common issue once you change the spark plugs/spark plug wires, but is there any way to cure it with these mods. Seems like everytime I get up to temperature, and lay into it, my voltage gets way low, and then it goes back over 13 again. Weird thing is..., The Service Battery Charging System warning message is a common issue encountered in the Chevy Malibu, and many other modern GM vehicles. When this message appears, it indicates that there is a problem with your Malibu'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 powertrain control module (PCM) is responsible for handling the engine and transmission. If the PCM acts up, it might show random warnings on your dashboard like the "Charging System: Service Now" alert. You might also experience stalling, misfiring, transmission problems, or even lower fuel economy. Don't worry though, software ...