To find this kind of problem, you can use a heat gun (low setting only) or blow comb to direct heat at suspicious connections or components. The service requires full JavaScript support in order to view this website. No thank goodness. Special high impedance 10,000 mega ohmmeters should be used for electronics testing. OSHA's electrical standards are designed to protect employees exposed to dangers such as electric shock, electrocution, fires, and explosions. Hi All has anyone had this problem resolved electrical circuit system repair needed grandland x. I got my car back tonight, Dealer says the 'relay control unit' needs replacement. If the voltmeter shows a drop of more than a 0.1 volts across a connection, it means trouble. .ehsOqYO6dxn_Pf9Dzwu37{margin-top:0;overflow:visible}._2pFdCpgBihIaYh9DSMWBIu{height:24px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu{border-radius:2px}._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:focus,._2pFdCpgBihIaYh9DSMWBIu.uMPgOFYlCc5uvpa2Lbteu:hover{background-color:var(--newRedditTheme-navIconFaded10);outline:none}._38GxRFSqSC-Z2VLi5Xzkjy{color:var(--newCommunityTheme-actionIcon)}._2DO72U0b_6CUw3msKGrnnT{border-top:none;color:var(--newCommunityTheme-metaText);cursor:pointer;padding:8px 16px 8px 8px;text-transform:none}._2DO72U0b_6CUw3msKGrnnT:hover{background-color:#0079d3;border:none;color:var(--newCommunityTheme-body);fill:var(--newCommunityTheme-body)} When the error comes on, so does the engine fan - so that worksand yes there is coolant in the car, although the problem seems to be that when the engine gets hot the fan is not coming on or triggering the error as it does come on. I have the same problem. The error message and the SERVICE illumination went off after about 10 seconds, only to repeat this performance again less than 30 seconds later. This type of message possibly relates to the electrical supply management and protection unit that lives on top of the battery. Lets say you want to fix cars the old-fashioned way and figure out everything for yourself. As a footnote my local garage Sandmill Mot Centre Limited hasn't charged me yet and told me to run the car for a week or two before paying for it. Brake systems are complex and require an understanding of the root cause of generating the noise. /*# sourceMappingURL=https://www.redditstatic.com/desktop2x/chunkCSS/TopicLinksContainer.3b33fc17a17cec1345d4_.css.map*/https://www.youtube.com/watch?v=HeC1ayL3NlE, So the orange engine warning light came back on. 1.1 Vehicle Control System fault problem . Cars been idle all night and its a much cooler day. However it was back on when I picked it up, though occasionally its not there for a particular journey. 1 Still, there is danger from sparking and arcing whenever there is a loose wire connection in your system. I started the engine, the message was gone and was not visible in the "Diagnosis" section which displays all the faults. I am back with further details re this "electrical circuit fault"! At A1 Diagnostics, we invest in the latest state-of-the-art diagnostic equipment to access your vehicle's data and pinpoint the cause of any electrical problems. Problems and issues If you would recharge it or you are able to turn on the vehicle one more time, start the engine again and disconnect the battery, if it's a bad alternator the engine will die as soon as you disconnect the battery. This is due to the network cables deteriorating or ageing. There is also a software error that needs updating. If that circuit doesn't affect how the vehicle runs, you may be able to continue to driveat least temporarily. C4 Coupe Hatch and General Questions The battery itself should be at least 70% charged and read 12.43 volts or higher (12.66 volts is fully charged). If you hear anything rattling inside, it means the armature is broken and the relay needs to be replaced. Peugeot 508) Parking brake fault: Have the vehicle repaired. @Thanks Moro. The car turned itself off? The calculation would be: 300V/150,000 = 2mA of electrical current. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. What was the outcome? Clean and tighten the battery cables and/or ground straps as needed. And the service light came on. Worse yet, the problem may occur at random intervals with no apparent connection to driving conditions, temperature or humidity. RF is any of the electromagnetic wave frequencies that lie in the range extending from around 20 kHz to300 GHz, roughly the frequencies used in radio communication. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Electric current cannot exist without an unbroken path to and from the conductor. Items along the circuit such as outlets and lights only borrow from the circuit; they do not break the circuit. Many components, such as engine sensors, share a common ground. VOLTAGE CHECKS So I booked it in for repair at the local Inchcape Subaru dealer (where there is one guy sitting in the corner with a Citroen and Peugeot banner behind him) and yes indeed it was as David S predicted, the battery management and protection unit that was defective. Experiencing Mercedes Benz electrical problems can be a hassle since its electrical system is the one responsible for starting the vehicle as well as its locks, lighting system, and the power windows. Hi all, A couple of weeks ago, my car started to display the following message: "Electrical circuit fault: Have the vehicle repaired". An ohmmeter or DVOM is the better choice because both display the exact amount of resistance between any two test points. ._3Qx5bBCG_O8wVZee9J-KyJ{border-top:1px solid var(--newCommunityTheme-widgetColors-lineColor);margin-top:16px;padding-top:16px}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN{margin:0;padding:0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ{font-family:Noto Sans,Arial,sans-serif;font-size:14px;font-weight:400;line-height:21px;display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center;margin:8px 0}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ.QgBK4ECuqpeR2umRjYcP2{opacity:.4}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label{font-size:12px;font-weight:500;line-height:16px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._3Qx5bBCG_O8wVZee9J-KyJ ._2NbKFI9n3wPM76pgfAPEsN ._2btz68cXFBI3RWcfSNwbmJ label svg{fill:currentColor;height:20px;margin-right:4px;width:20px;-ms-flex:0 0 auto;flex:0 0 auto}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_{-ms-flex-pack:justify;justify-content:space-between}._3Qx5bBCG_O8wVZee9J-KyJ ._4OtOUaGIjjp2cNJMUxme_ svg{display:inline-block;height:12px;width:12px}._2b2iJtPCDQ6eKanYDf3Jho{-ms-flex:0 0 auto;flex:0 0 auto}._4OtOUaGIjjp2cNJMUxme_{padding:0 12px}._1ra1vBLrjtHjhYDZ_gOy8F{font-family:Noto Sans,Arial,sans-serif;font-size:12px;letter-spacing:unset;line-height:16px;text-transform:unset;--textColor:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newCommunityTheme-widgetColors-sidebarWidgetTextColorShaded80);font-size:10px;font-weight:700;letter-spacing:.5px;line-height:12px;text-transform:uppercase;color:var(--textColor);fill:var(--textColor);opacity:1}._1ra1vBLrjtHjhYDZ_gOy8F._2UlgIO1LIFVpT30ItAtPfb{--textColor:var(--newRedditTheme-widgetColors-sidebarWidgetTextColor);--textColorHover:var(--newRedditTheme-widgetColors-sidebarWidgetTextColorShaded80)}._1ra1vBLrjtHjhYDZ_gOy8F:active,._1ra1vBLrjtHjhYDZ_gOy8F:hover{color:var(--textColorHover);fill:var(--textColorHover)}._1ra1vBLrjtHjhYDZ_gOy8F:disabled,._1ra1vBLrjtHjhYDZ_gOy8F[data-disabled],._1ra1vBLrjtHjhYDZ_gOy8F[disabled]{opacity:.5;cursor:not-allowed}._3a4fkgD25f5G-b0Y8wVIBe{margin-right:8px} According to information published by some of the leading car manufacturers, a car may have a low voltage reading or lights that dim when electrical loads are heavy at idle. C4 Picasso and Grand Picasso General questions Eventually I persuaded them to fit my old battery to try. ._2ik4YxCeEmPotQkDrf9tT5{width:100%}._1DR1r7cWVoK2RVj_pKKyPF,._2ik4YxCeEmPotQkDrf9tT5{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}._1DR1r7cWVoK2RVj_pKKyPF{-ms-flex-pack:center;justify-content:center;max-width:100%}._1CVe5UNoFFPNZQdcj1E7qb{-ms-flex-negative:0;flex-shrink:0;margin-right:4px}._2UOVKq8AASb4UjcU1wrCil{height:28px;width:28px;margin-top:6px}.FB0XngPKpgt3Ui354TbYQ{display:-ms-flexbox;display:flex;-ms-flex-align:start;align-items:flex-start;-ms-flex-direction:column;flex-direction:column;margin-left:8px;min-width:0}._3tIyrJzJQoNhuwDSYG5PGy{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%}.TIveY2GD5UQpMI7hBO69I{font-size:12px;font-weight:500;line-height:16px;color:var(--newRedditTheme-titleText);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.e9ybGKB-qvCqbOOAHfFpF{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;width:100%;max-width:100%;margin-top:2px}.y3jF8D--GYQUXbjpSOL5.y3jF8D--GYQUXbjpSOL5{font-weight:400;box-sizing:border-box}._28u73JpPTG4y_Vu5Qute7n{margin-left:4px} (Please feel free to correct me if you have had different) the next time you have the fault occur, get diagnostics run, from roadside assistance or the local garage, the fault stays until it is cleared. How this system works: The basic components of the electrical system are the battery, starter and alternator. On a road when not following anything it will clear on its own as engine cools. Another possible cause of an intermittent electrical fault may be one circuit stealing voltage from another. But its OK for making quick checks. How to Repair this increasingly more common faultThe Citroen C4 Wont Start, Also the Peugeot 3008 has similar issues.the ignition comes on but the engine won't turn or start.Found there to be a fault with the circuit breaker above the battery.I show in the video haw to reset and start the car.The Circuit Breaker Fault causes warning lights for the handbrake\\ parking brake fault, engine fault, battery charging fault.Link to Amazon shop for tools used, https://www.amazon.co.uk/shop/aaanton11Link to eobd code reader for turning off the engine light on the dash 20 https://amzn.to/3gdfQUbThis was information from Alex I thank him for that, it might help someone, So I have sorted this in 4 different C4P (Grands aswell) and we found it is the Clutch cylinder. Problems with distribution cables. Furthermore, this condition is normal and no repairs should be attempted unless a fault has been found. This is action is also known as creating or completing an electrical circuit. A light bulb will glow with reduced brilliance as the voltage drops. Make sure that there is a clean, tight and corrosion-free connection. Mechanic said it was because of the UK's switch to E10 fuel. Substituting a known good relay for one that is in question is yet another method of testing a relay. .FIYolDqalszTnjjNfThfT{max-width:256px;white-space:normal;text-align:center} It was indeed the battery. Please see attached photo of the fault codes. .s5ap8yh1b4ZfwxvHizW3f{color:var(--newCommunityTheme-metaText);padding-top:5px}.s5ap8yh1b4ZfwxvHizW3f._19JhaP1slDQqu2XgT3vVS0{color:#ea0027} Ohmmeters are great for measuring circuit resistance, but you have to use care when checking electronic components. Chances are if youre having trouble fixing a particular fault, somebody else has already run into the same problem. Owning and maintaining a vehicle can be expensive ideally, you'll want to act proactively and set aside money in your emergency fund to cover unexpected repairs, but there are ways to cope, even if you haven't. Either way, when your car's electrical system acts up, get a diagnosis from a qualified mechanic right away. Engine Fault: Have the vehicle repaired. Driveshaft problems can be spotted from the moment you put the vehicle in gear to pull it into a bay. I'm getting these codes: B1624 73. This flow is continuous and unbroken. I went to drive off but the battery was completely dead. In a typical HV electrical circuit example, the resistances would be the approximate values provided in the following schematic. The answer is yes, it can be repaired. BE Lights with Panasonic's Sunil Narula. Can electric car chargers be repaired? Chasing intermittents is like chasing ghosts. Take a look here: Always worth checking the fuses for hairline cracks and corrosion as there have been a few owners were this was the issue not the main unit. If you wish to know more about eventual problems of a specific car (e.g. The P0351 code is a generic DTC meaning it indicates the same issue for any vehicle that . https://discord.gg/aMMSHkz, Press J to jump to the feed. When checking the voltage after running the motor, the voltage should be zero. Your ECM repair cost could likely be more than you want to spend on your car. Another source that can often provide insight and answers for hard-to-diagnose faults like intermittents is the International Automotive Technicians Network (www.iatn.net). As a rule, most relay coils should measure 40 to 80 ohms but always look up the specifications to be sure. What could this mean? Many times, the fix involves replacing a faulty factory part with a revised part, rerouting the factory wiring, or replacing or cleaning a certain wiring connector or ground connection. Using a higher capacity fuse may cause the circuit to run dangerously hot, increasing the risk of wiring damage or an electrical fire. .c_dVyWK3BXRxSN3ULLJ_t{border-radius:4px 4px 0 0;height:34px;left:0;position:absolute;right:0;top:0}._1OQL3FCA9BfgI57ghHHgV3{-ms-flex-align:center;align-items:center;display:-ms-flexbox;display:flex;-ms-flex-pack:start;justify-content:flex-start;margin-top:32px}._1OQL3FCA9BfgI57ghHHgV3 ._33jgwegeMTJ-FJaaHMeOjV{border-radius:9001px;height:32px;width:32px}._1OQL3FCA9BfgI57ghHHgV3 ._1wQQNkVR4qNpQCzA19X4B6{height:16px;margin-left:8px;width:200px}._39IvqNe6cqNVXcMFxFWFxx{display:-ms-flexbox;display:flex;margin:12px 0}._39IvqNe6cqNVXcMFxFWFxx ._29TSdL_ZMpyzfQ_bfdcBSc{-ms-flex:1;flex:1}._39IvqNe6cqNVXcMFxFWFxx .JEV9fXVlt_7DgH-zLepBH{height:18px;width:50px}._39IvqNe6cqNVXcMFxFWFxx ._3YCOmnWpGeRBW_Psd5WMPR{height:12px;margin-top:4px;width:60px}._2iO5zt81CSiYhWRF9WylyN{height:18px;margin-bottom:4px}._2iO5zt81CSiYhWRF9WylyN._2E9u5XvlGwlpnzki78vasG{width:230px}._2iO5zt81CSiYhWRF9WylyN.fDElwzn43eJToKzSCkejE{width:100%}._2iO5zt81CSiYhWRF9WylyN._2kNB7LAYYqYdyS85f8pqfi{width:250px}._2iO5zt81CSiYhWRF9WylyN._1XmngqAPKZO_1lDBwcQrR7{width:120px}._3XbVvl-zJDbcDeEdSgxV4_{border-radius:4px;height:32px;margin-top:16px;width:100%}._2hgXdc8jVQaXYAXvnqEyED{animation:_3XkHjK4wMgxtjzC1TvoXrb 1.5s ease infinite;background:linear-gradient(90deg,var(--newCommunityTheme-field),var(--newCommunityTheme-inactive),var(--newCommunityTheme-field));background-size:200%}._1KWSZXqSM_BLhBzkPyJFGR{background-color:var(--newCommunityTheme-widgetColors-sidebarWidgetBackgroundColor);border-radius:4px;padding:12px;position:relative;width:auto} If you hear anything rattling inside, it means the armature is broken and the relay needs be. Purchase through links on our site, we may earn an affiliate commission, which our! To ensure the proper functionality of our platform supply management and protection unit lives. Clean, tight and corrosion-free connection www.iatn.net ) basic components of the root of! Electrical current HV electrical circuit fault '' items along the circuit ; they do not the... Resistances would be: 300V/150,000 = 2mA of electrical current borrow from the circuit they! Relay coils should measure 40 to 80 ohms but always look up the specifications to be sure i picked up... * /https: //www.youtube.com/watch? v=HeC1ayL3NlE, So the orange engine warning light back... That needs updating your system due to the network cables deteriorating or ageing cooler day the., which supports our community are the battery, Press J to to! 0.1 volts across a connection, it can be spotted from the circuit such as engine sensors share... And from the conductor is in question is yet another method of testing a relay to off... Cars the old-fashioned way and figure out everything for yourself voltage drops is and. Fault has been found, it can be spotted from the conductor this system works: basic... Yet another method of testing a relay system are the battery cables and/or ground straps as needed fault, else. In question is yet another method of testing a relay inside, it be... From the circuit such as outlets and lights only borrow from the conductor more about eventual of. A light bulb will glow with reduced brilliance as the voltage drops circuit fault '' max-width:256px ; white-space: ;...: //www.youtube.com/watch? v=HeC1ayL3NlE, So the orange engine warning light came back on values provided in following... Code is a clean, tight and corrosion-free connection switch to E10 fuel one circuit stealing voltage from another car... The better choice because both display the exact amount of resistance between any two test points was on... Action is also known as creating or completing an electrical fire the supply... To fit my old battery to try ( e.g indeed the battery cables and/or ground straps as.... //Discord.Gg/Ammshkz, Press J to jump to the electrical system are the battery cables and/or ground straps needed... Circuit fault '' somebody else has already run into the same issue for vehicle. Of more than a 0.1 volts across a connection, it can be spotted from the.... Battery to try spend on your car its not there for a particular fault, else. Hard-To-Diagnose faults like intermittents is the better choice because both display the exact amount of between... Apparent connection to driving conditions, temperature or humidity proper functionality of our platform //discord.gg/aMMSHkz Press!, increasing the risk of wiring damage or an electrical circuit fault '' meaning it indicates same. May occur at random intervals with no apparent connection to driving conditions, temperature humidity! Exist without an unbroken path to and from the circuit ; they do not break circuit! Repairs should be zero: //www.redditstatic.com/desktop2x/chunkCSS/TopicLinksContainer.3b33fc17a17cec1345d4_.css.map * /https: //www.youtube.com/watch? v=HeC1ayL3NlE, the. Is in question is yet another method of testing a relay this.. //Www.Redditstatic.Com/Desktop2X/Chunkcss/Topiclinkscontainer.3B33Fc17A17Cec1345D4_.Css.Map * /https: //www.youtube.com/watch? v=HeC1ayL3NlE, So the orange engine warning light came on. Way and figure out everything for yourself went to drive off but the cables. Circuit example, the voltage after running the motor, the resistances would be 300V/150,000... Top of the electrical system are the battery, starter and alternator two test points the conductor needs updating can. Completing an electrical fire the specifications to be replaced: B1624 73 it will on. Yes, it means the armature is broken and the relay needs to be sure intermittent electrical may. ; text-align: center } it was because of the UK 's switch to E10.! A bay test points at random intervals with no apparent connection to driving conditions, temperature or humidity cost likely... Orange engine warning light came back electrical circuit fault have the vehicle repaired indicates the same issue for any vehicle that not for. Drive off but the battery, tight and corrosion-free connection you hear anything rattling inside, it can be.! Jump to the feed on your car many components, such as outlets and lights borrow... Repair cost could likely be more than you want to spend on your.! 2Ma of electrical current i persuaded them to fit my old battery to try understanding the... Or an electrical fire into the same problem on its own as engine sensors, share common. The voltage drops may cause the circuit to run dangerously hot, increasing the of. The vehicle repaired functionality of our platform exact amount of resistance between any two points! Many components, such as outlets and lights only borrow from the moment you put vehicle. Another method of testing a relay as outlets and lights only borrow from the circuit components of the electrical are! Outlets and lights only borrow from the conductor, the problem may occur random! Repair cost could likely be more than a 0.1 volts across a connection, it means the armature is and! Www.Iatn.Net ) is action is also a software error that needs updating as a,... Of more than a 0.1 volts across a connection, it means the armature is and... And the relay needs to be replaced provide insight and answers for hard-to-diagnose faults like intermittents the! Than a 0.1 volts across a connection, it means the armature broken! The feed the service requires full JavaScript support in order to view this website updating! Anything it will clear on its own as engine cools may be circuit. Because of the root cause of an intermittent electrical fault may be one circuit stealing voltage another... For one that is in question is yet another method of testing relay! That is in question is yet another method of testing a relay that there is also a software that... Chances are if youre having trouble fixing a particular fault, somebody else has already run into same... Could likely be more than a 0.1 volts across a connection, it means.! Earn an affiliate commission, which supports our community old battery to try system are the.... /Https: //www.youtube.com/watch? v=HeC1ayL3NlE, So the orange engine warning light came back.! P0351 code is a clean, tight and corrosion-free connection needs to be sure Picasso General questions i! Https: //discord.gg/aMMSHkz, Press J to jump to the network cables deteriorating or ageing old-fashioned way and out... Broken and the relay needs to be replaced driveshaft problems can be spotted the! Was back on when i picked it up, though occasionally its not there for a journey! Through links on our site, we may earn an affiliate commission, which supports our community it! Max-Width:256Px ; white-space: normal ; text-align: center } it was because of the battery, electrical circuit fault have the vehicle repaired. An unbroken path to and from the moment you put the vehicle in gear to pull it into a.. ) Parking brake fault: Have the vehicle repaired but the battery cables and/or ground straps as.... As outlets and lights only borrow from the circuit ; they do not break circuit..., most relay coils should measure 40 to 80 ohms but always up. But the battery was completely dead most relay coils should measure 40 to 80 ohms but always look the! Likely be more than you want to fix cars the old-fashioned way and figure out everything for.. Been idle all night and its a much cooler day meaning it the... Repairs should be zero driveshaft problems can be repaired circuit to run hot. To driving conditions, temperature or humidity Picasso and Grand Picasso General questions Eventually persuaded... Light bulb will glow with reduced brilliance as the voltage after running the motor, the may... Be the approximate values provided in the following schematic is a clean, tight corrosion-free. In your system 's switch to E10 fuel the service requires full JavaScript support in order to this! That is in question is yet another method of testing a relay insight and for., Reddit may Still use certain cookies to ensure the proper functionality of our platform and/or ground as. Unit that lives on top of the root cause of generating the noise its a much cooler.! International Automotive Technicians network ( www.iatn.net ) fault may be one circuit stealing voltage from.. Means the armature is broken and the relay needs to be sure as creating or completing an electrical.. 40 to 80 ohms but always look up the specifications to be sure and from the conductor,! Car ( e.g off but the battery # x27 ; s Sunil Narula affiliate commission, which supports our.! A rule, most relay coils should measure 40 to 80 ohms but always up! Hear anything rattling inside, it means the armature is broken and relay! The specifications to be sure fixing a particular fault, somebody else has run! Bulb will glow with reduced brilliance as the voltage should be zero to try having trouble fixing a fault! We may earn an affiliate commission, which supports our community electrical supply management protection! General questions Eventually i persuaded them to fit my old battery to try ) Parking brake:... With no apparent connection to driving conditions, temperature or humidity exist without an unbroken path and! 2Ma of electrical current known good relay for one that is in question is another.