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Main cause for charging system malfunction - Cars & Trucks

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Bad alternator.

Posted on Oct 31, 2012

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Posted on Jan 02, 2017

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04 model starts ok battery charge light appears then ABS malfunction I drive short distance turn engine off when I turn on just clicks I can try again and starts no bother then same thing happens


Your battery charging system is defective, the battery is going dead and that is the cause of the other issue like the ABS light. Get the charging system diagnosed.

Jul 05, 2017 | Cars & Trucks

2 Answers

2011 dodge grand caravan engine malfunction light keeps coming on. Dealer traced it to a bad battery, had a new one installed and codes disappeared. Now light is back on. Codes P0740/P0562 show up


P0740 torque converter malfunction
Possible causes
Low or dirty transmission fluid
Faulty torque converter clutch solenoid valve
Torque converter clutch solenoid valve harness is open or shorted
Torque converter clutch solenoid valve circuit poor electrical connection

P0562 charging system voltage low
Possible causes
Low battery charge
Defective battery
Faulty alternator
Problem with belt
Open or shorted system voltage circuit

Jul 04, 2016 | 2011 Dodge Grand Caravan

1 Answer

2004 Mazda 6,,,,4cyl,battery sounds like it's boiling, very hot,,,automatic transmission won't shift,,it stays in 3rd,even blew the main fuse ,the one that you need to start car,


If the battery is very hot and the electrolyte is "boiling", then there is a serious issue with the voltage regulator. You are seriously overcharging the battery and this can lead to a battery explosion. Stop using the vehicle immediately and have the charging system check out for malfunctions. It is not safe to operate the vehicle in this condition and the overcharging can cause additional damage to the vehicle electronics.

Feb 14, 2016 | Mazda Cars & Trucks

1 Answer

2002 Kia Rio , high voltage reading undefined


A malfunctioning voltage regulator inside the alternator, or possibly a bad battery with a dead cell (causing the alternator to work too hard). You need to have the charging system checked.

Oct 30, 2014 | Kia Rio Cars & Trucks

1 Answer

1999 pontiac grand am not charging


Diagnostic Test Code (DTC) U1000 has a generic description of "Class 2 Serial Data Link Malfunction".
DTC U1064 has a description of "Loss Of Communication With Body Control Module (BCM)"
These codes can be caused by a malfunctioning charging system and should be ignored for now.

DTC P0562 has a description of "System Voltage Low". So this code basicly is only verifying that you indeed have a no-charging problem and that the other codes are most likely also caused by low system voltage.

Although these codes do verify that you have a charging system problem, they are useless in finding out exactly what is wrong with your charging system.

You will need a scan tool that is capable of 2-way communications with the PCM and performing system tests. you will also need a digital multimeter to test the system as you command the generator circuits on with the scanner. If your scanner can do this, let me know and I will get you the troubleshooting instructions for your vehicle. Otherwise, you will have to take it to someone who is properly equipped to diagnose your charging system.

Dec 21, 2011 | Cars & Trucks

1 Answer

I HAVE 1999 OLDS INTRIGUE V 6 CAR SHUT DOWN WHILE YOU AR DRIVING


1.) Check Battery Voltage at least 12.5v or above anything less can cause the ECU to malfunction.2.) Check fuel pressure if within normal range go to step 33.) Check fuel pressure switch3.) Check main power voltage going to ECU if not at least 12.5v or above check for faulty wiring or battery/charging system.5.) Check for any other leaks in the system gas cap etc.4.) Check Oil pressure & Oil level.

Nov 17, 2011 | 1999 Oldsmobile Intrigue

1 Answer

I have already checked the fuses & banged on the motor to no avail...what next?


You could try diagnosing and repairing whatever problem you are having by using methods prescribed by automobile repair industry standards. (Which, incidently, do not include "banging on motor")

1. Define the nature of the problem: What is the vehicle doing or not doing that indicates that the vehicle is malfunctioning?

2. Isolate the system: Which major system is malfunctioning? Is the problem being caused by the ignition system, The fuel delivery system, The fuel charging system, the brake system, Suspension system, etc.

3. Pinpiont the cause: What is wrong with the system that is causing it to malfunction?

4. Repair the malfunctioning system: Perform repairs to correct the cause of the system malfunction.

5. Verify the repair: Retest system to verify that the repairs performed were effective in correcting the malfunction that the vehicle was experiencing.

Apr 26, 2011 | 2003 Ford ZX2

2 Answers

1994 cutlass supreme 3.1. headlight flicker


bad fuse panel.or loose main wire in fuse panel

Apr 28, 2010 | 1994 Oldsmobile Cutlass Supreme

2 Answers

Engine won't start. Turns over just fine. 12 engine codes P0141,0422,0562,0201,0202,0203,0204,P1553,P1403,P0444 and P0135. P0141 is a repeat.


CODE PO562 SYSTEM VOLTAGE LOW.THIS COULD BE THE PROBLEM.YOUR ALTERNATOR NOT CHARGING.NOT ENOUGH POWER TO RUN THE PCM.HAVE YOUR CAR CHARGING SYSTEM CHECKED.

Oct 01, 2009 | 2000 Hyundai Accent

1 Answer

Engine light


The "rotten-egg" smell is caused indirectly by the catalytic converter. The main cause is a rich mixture condition from the engine. Your SUV is equipped with a computer controlled engine management system. You can scan your computer for fault or error codes. The information should pinpoint the malfunctioning components. There is an alternate reason for the rotten egg smell. this also can be caused by a over charged battery. if so, make sure the alternator isn't overcharging the battery cell. it will boil the contents causing the egg smell. I recommend a diagnostic run to make sure what this problem is.


please rate and god bless.

Mar 17, 2009 | 1999 Dodge Durango

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