2018 silverado voltage regulator Chevy GM Silverado and Sierra (RVC) Regulating voltage controller systems. Generally speaking, you don't want AutoZone offers Free In-store Pickup for Chevrolet Voltage Regulator. 2L, 22949467 84143540: Alternators - Amazon. The ratings and reviews for these aftermarket Chevrolet Voltage Buy 2014-2018 Chevrolet Silverado 1500 Voltage Regulator Autopart Premium for a low price of $42. Driving with a damaged voltage Jan 15, 2015 · So your battery is still going dead? Or is the alternator just high? If the battery is going dead of say you have a parasitic draw (a load when the vehicle is off and sitting). 2L 2008 2009, Compatible With Chevrolet Silverado 2500 3500 HD 6. But voltage regulators can (and do) fail on occasion. Order Chevrolet Silverado 1500 Voltage Regulator online today. com This is one video subject I haven't seen yet so here it is. 1 V. Recently acquired 2006 silverado with lq9 engine. To open with I didn’t get the extended warranty they were offering bc I was trying to keep my payment down. Mar 3, 2025 · A-Premium Alternator Voltage Regulator Compatible with Chevrolet Silverado 1500, Traverse, Impala, Tahoe, Colorado, Suburban & GMC Sierra 1500, Acadia, Yukon & Buick Enclave, LaCrosse & Cadillac SRX Get the best deals on an aftermarket 2018 Chevrolet Silverado 1500 Voltage Regulator. So Common Causes of P0641 2018 Chevrolet Silverado Faulty 5 Volt Reference Voltage Regulator: A malfunction in the voltage regulator responsible for providing the 5-volt reference signal can trigger this code. 2L 14-18 126600-3060 126600-3240 126600-3440 GC33060 GC33240 GC33440 AND6158 230-52127 May 25, 2014 · GM Charging system problems: Understanding the EPMS system Learn how to diagnose and fix charging system problems on GM vehicles The charging systems on late-model GM vehicles are quite different from older stand-alone alternators with internal voltage regulators in prior years. 14. 6L 2007-09: Voltage Regulators - Amazon. Discover 5 common bad voltage regulator symptoms, their causes, how to fix them, and more in this article. 8. Aug 31, 2023 · Buy OEG Parts New Voltage Regulator Compatible With GMC Yukon XL 1500 5. Aug 3, 2019 · Hi There, 2018 1500 4x4 with 67k miles. Had overcharging issue and replaced alternator after mechanic said issue was internal voltage regulator. 6-14. I was getting 12. Apr 21, 2021 · Coming up on 2000 miles on the new 6. So, enter the voltage regulator, acting like a surge protector to moderate power flow. FREE SHIPPING on most Autopart Premium APAVR157 orders. Hopefully this video w Nov 29, 2018 · Anyone been successful in lowering the max voltage output from the alternator? 2017 Silverado 1500 LT Z71, stock everything. Check out free battery charging and engine diagnostic testing while you are in store. 3L,6. 3L,4. Note: When checking voltage drop, the voltage drop should be performed with the fuel system disabled (or hold the accelerator WOT) and while cranking the engine. A weak battery or a faulty alternator can cause the voltage regulator to fail. Feb 1, 2021 · I'm wondering if there's another voltage regulator in the system other than in the alternator? This question stems from my issue with the truck showing low voltage, whilecold, and after warm up the volt meter slowly raises to operating voltage. Great deals. battery voltage directly corresponds to battery SOC. That said I have had the truck for 4 weeks and it keeps blowing the voltage regulator on the alternator. typically sits at around 4000 rpms for about 10 seconds or until you hit the accelerator. Watching this video will help you diagnose whether it is time to replace your voltage re Oct 14, 2025 · Raw power surges under your hood, with energy supplied by both battery and engine. Mar 14, 2023 · Do you suspect that your voltage regulator is bad? Here is a list of 6 common symptoms of a bad voltage regulator, the location, and replacement cost. I have confirmed this with DVM at the battery (15. Make sure to compare prices and take a look at the top user reviewed Voltage Regulators that fit your Chevrolet. com FREE DELIVERY possible on eligible purchases https://www. Free Same Day Store Pickup. So maybe the voltage regulator is going bad. 8-15 is a hair on the high side, but not dangerously high. 95 at PartsGeek. May 22, 2025 · The voltage regulator controls the amount of current that flows through the rotor’s field to regulate the alternator’s voltage output. 3L, H2 6. Do you have a 2014 2015 2016 2017 2018 Silverado Sierra Yukon Tahoe Suburban Denali and your Voltage keeps dropping?Are your amps not hitting as hard as they Shop Voltage Regulators for Chevrolet Silverado 1500 with eBay Guaranteed Fit. Learn how to remove the voltage regulator from the alternator in these free auto repair video instructions featuring a certified mechanic Dec 10, 2022 · Yesterday my Alternator went to dimming lights and charging from 12-16 amps back n forth. Massive selection from top brands on eBay. 5–13. 0L 2005-2014: Alternators - Amazon. Sep 7, 2022 · Alright guys I just purchased a used 2014 GMC Sierra. Order yours online today and pick up from the store. 3L 6. 3 5. Free 30-Day Returns. com/magazine-summary/are-you-smarter-than-a-smart-charging-system/In this video we go over Regulated Voltage Control/ ECM Controlled/ PCM C Replace the faulty voltage regulator of your Chevy Silverado with one of our units to prevent damage to the battery and other parts of the electrical system. 2L 2007-14, Compatible With Hummer H3 5. Has anyone had this issue and The voltage regulator is held down by several torx bits. 75–12. Oct 22, 2019 · Buy Voltage Regulator for Bosch Alternator Used on Chevrolet Silverado 1500,Suburban 1500,2500,Tahoe, GMC Sierra 1500,Yukon,Yukon XL 4. 3) I’m not going to delve into here, but they’ve all been fixed except one remaining thing: the dash lights (especially the gauge cluster) is noticeably dimming in brightness and I am having warnings like “Service Trailer Brake System” and “Service Stabilitrak” randomly and briefly pop up. The voltage drop should be monitored at a STEADY crank. Here are the most common symptoms of a faulty voltage regulator and its average replacement cost. Context is concern I'm overcharging my AGM battery (actually a 2nd auxiliary battery), since I'm seeing upto 15. Battery problems, illuminated warning lights, lighting issues, and other electrical oddities are the top symptoms of a bad voltage regulator. But while waiting on them to check for part, I was wondering why you can't buy a regulator anymore and replace it OEG Parts New Voltage Regulator Replacement For Chevrolet Silverado 1500 V8 6. Is this typical? Anyone have the parameters truck looks at to determine charging voltage? I have seen it vary a little lower and even Aug 27, 2019 · Hi, this is my first post to the forum. It didn't change much Dec 12, 2021 · A faulty voltage regulator is the most prevalent of these. If the voltage test fails, then move on to testing the alternator and its electrical connections. Its targeted generator output voltage is the open circuit voltage of the battery can be between 12. com Aug 9, 2021 · Regulated Voltage Control (RVC) is GMs' platform for computer controlled charging systems. If your GM vehicle has charging system problems, you must first understand how they work before you can diagnose the Shop GM Genuine Parts & ACDelco Parts for Chevrolet vehicles, including voltage regulators designed to meet rigorous standards and backed by General Motors. 05V). Find aftermarket and OEM parts online or at a local store near you. Also put in new battery at that time as. I know that a lot of Oct 12, 2021 · I have a 2017 Silverado 1500. At Advance Auto, we carry 15 different types of Voltage Regulators for your Chevrolet at competitive prices to fit your budget. So, I’ve had plenty of problems with this truck (2018 Silverado LT 5. Save on costs when you find your Chevrolet replacement Voltage Regulators with us. 6 gasser. also would not downshift correctly if the cruise control was active. Is your silverado or sierra showing low or high battery voltage? This video will explain why! Jun 28, 2022 · If you suspect the alternator is bad in your Chevy Silverado 1500, you should always start with testing the voltage at the battery when the engine is running. 3l randomly started throwing P00C8 and P0090. 8L,5. Smaller electrical systems can’t handle such uncontrolled current. Trying to figure out an alternator overcharging issue. Well The P00CA diagnostic trouble code (DTC) for a 2018 Chevrolet Silverado indicates an issue with the Fuel Pressure Regulator High Control Circuit High Voltage. Equip cars, trucks & SUVs with 2018 Chevrolet Silverado 1500 Voltage Regulator from AutoZone. Hooked the scanner up and deleted the codes, truck drove fine May 17, 2024 · Buy Jaxivo High Output Alternator Upgrade 170 AMP 12V For 2014-2018 Chevy Silverado GMC Sierra 1500, 2015-2020 Suburban Tahoe Yukon Denali Cadillac Escalade 4. Low prices on Voltage Regulators for your Chevrolet Silverado 1500 at Advance Auto Parts. This system is designed to raise and lower the alternator's voltage set point based on vehicle electrical needs. If the alternator is high, that should just be an issue with the alternator. Get Yours Today! We have the best products at the right price. Company provided Enterprise Fleet vehicle When the voltage gets down to the lower end of the volt meter shifts take a long time to happen. 9 volts. I very rarely see the volt gauge drop below 15V. Get the best deals on an aftermarket 2018 Chevrolet Silverado 1500 HD Voltage Regulator. Order today!. 3 6. so I stopped and seen if it was still under warranty. Wiring Issues: Damage to the wiring harness or poor connections can disrupt the flow of the 5-volt reference signal. Thank goodness it was . In this video, you will learn 5 symptoms of a bad voltage regulator. 3V on occasion, and AGM max is recommended 14. Order today! Find CHEVROLET SILVERADO 1500 Voltage Regulator and Rectifiers Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Shop Voltage Regulators for 2018 Chevrolet Silverado 1500 with eBay Guaranteed Fit. open circuit in high pressure fuel pump actuator high control circuit and fuel pressure regulator control circuit open. com FREE DELIVERY possible on eligible purchases Aug 2, 2023 · This bulletin applies to 2014 Chevy Silverado and 2015-2018 Silverado, Suburban and Tahoe vehicles. This maximizes charging system efficiency by reducing voltage output when higher voltages are not required. When the alternator generates power, the voltage regulator within the unit regulates the amount of electricity that is directed to the GMC Duramax’s charging system. Mar 4, 2023 · My dads '18 Sierra 5. motor. This code is triggered when the powertrain control module (PCM) detects that the voltage in the fuel pressure regulator control circuit is higher than normal. I pulled out my voltmeter and measured with the truck running (idling). Truck went into limp mode, he babied it home. Over the last month or so I've noticed that the voltage monitor in the dash is showing a voltage very near the bottom of the accepted range. While the engine is running, the system uses both the battery voltage and estimated battery temperature to determine the battery current in and out of the battery. com FREE DELIVERY possible on eligible purchases Nov 20, 2011 · These measurements of voltage are then compared to estimated battery temperature, as battery temperature vs. MIN/MAX on the Digital Multi Meter (DMM) should NOT be used. cams at6k fw5 vkvl aws1 3aghm xz vl0ra mjw k3npj