Question about 2000 Subaru Outback

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The ABS,Brake Light,Battery light go on and off sporadically while driving.Does this indicate an Alternator failure or a sensor/computer problem?

2001 Subaru Outback ABS, Brake light and Battery light go on and off spoardically while driving. Noticed the temperature guage got a little hotter too. Does this indicate an alternator failure or a sensore/computer problem?
2000 Subaru Outback, battery dies overnight for no reason. ABS Light comes on with acceleration. Yesterday, the E-Brake and Battery lights were coming on intermittently.

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Yes it's most likely a alternator problem,usually the internal diode bridge breaks causing all lights you mentioned to come on,if this happens at a idle open the hood and remove green connector on alt.if lights go out you've found the problem

Posted on Jul 19, 2009

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Posted on Jan 02, 2017

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Red spanner warning light


Brake Light. Make sure you are not driving with hand brake on. Check brake-fluid level. Top off brake fluid if low and make appointment to check brakes. Driving with brake light can be dangerous; deal with this soon. Call tow truck or drive carefully and slowly to shop.
ABS (antilock brake system) Light. Indicates either low brake-fluid level, stuck brake caliper or faulty ABS. Check brake fluid and make appointment to get brakes checked. Call tow truck or drive carefully and slowly to shop.
Oil Light. Either engine is very low on oil or there is no oil pressure. Pull over and turn off engine immediately. Check oil level and add oil if low. Turn engine back on to see if light has gone off. If oil light is still on, bad oil pump (no oil pressure) is likely. Call tow truck.
Check Engine Light. Car's computer senses engine problem. Difference in performance may not be noticeable, but make appointment to have car diagnosed. This usually cost around $65-$75 to do. OK to drive. If problem is serious, computer may switch to limp-home (low-power) mode and you won't have option of waiting to bring car into shop.
Air Bag Light. Get air bags checked. Problem could prevent them from activating in accident. OK to drive, but not safe in accident.
Battery Charge Light. Alternator is not charging. OK to drive, but turn off any unneeded electrical devices (radio, heater, defroster) and avoid starting engine more than necessary. Bring car into shop soon to avoid getting stranded. When alternator is not charging, battery loses charge and car stops working.
Emissions Lights (O2 sensor, EGR, check emissions). Depending on car model, these lights may indicate problem with emissions sensor or may light up at certain mileage, usually 60,000 miles (100,000 km). Get sensors checked. OK to drive. If problem exists, car might get poor gas mileage.
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Aug 14, 2014 | Cars & Trucks

1 Answer

Battery and emergency brake light flash car loses power.


your alternator is going. have charging system checked, but sometimes the test will pass but barely. your alternator is on its way out

Sep 14, 2017 | 2005 Nissan Murano

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The battery light and brake light are flashing simultaneously. the brakes feel fine and the car starts with no problems.


Hi Crystal,your brake master cylinder fluid may be low sitting the sensor off in there,.

Jan 05, 2013 | 2008 Suzuki Forenza

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The battery light keeps coming on sporadically


Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS, TPMS and BCM faults and others) as long as the light is on. You must now have the dealer hook up a special electronic diagnostic tool and "scan" the system for the fault code that is stored for the problem(s)

Legend of Abbreviations. ABS Anti-lock brake system. TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module. TPMS Tire Pressure Monitor System

Nov 02, 2012 | 1996 Ford Taurus

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2001 Chevy Cavalier computer problem


A red light on the dashboard can mean you should stop driving right away, or you may have a little time before you have to bring your car into the shop. Know what's what so you don't get stuck.
  1. Critical Warning Lights
    • 1 Brake Light. Make sure you are not driving with hand brake on. Check brake-fluid level. Top off brake fluid if low and make appointment to check brakes. Driving with brake light can be dangerous; deal with this soon. Call tow truck or drive carefully and slowly to shop.
    • 2 ABS (antilock brake system) Light. Indicates either low brake-fluid level, stuck brake caliper or faulty ABS. Check brake fluid and make appointment to get brakes checked. Call tow truck or drive carefully and slowly to shop.
    • 3 Oil Light. Either engine is very low on oil or there is no oil pressure. Pull over and turn off engine immediately. Check oil level and add oil if low. Turn engine back on to see if light has gone off. If oil light is still on, bad oil pump (no oil pressure) is likely. Call tow truck.
    Maintenance Lights
    • 1 Check Engine Light. Car's computer senses engine problem. Difference in performance may not be noticeable, but make appointment to have car diagnosed. This usually cost around $65-$75 to do. OK to drive. If problem is serious, computer may switch to limp-home (low-power) mode and you won't have option of waiting to bring car into shop.
    • 2 Air Bag Light. Get air bags checked. Problem could prevent them from activating in accident. OK to drive, but not safe in accident.
    • 3 Battery Charge Light. Alternator is not charging. OK to drive, but turn off any unneeded electrical devices (radio, heater, defroster) and avoid starting engine more than necessary. Bring car into shop soon to avoid getting stranded. When alternator is not charging, battery loses charge and car stops working.
    • 4 Emissions Lights (O2 sensor, EGR, check emissions). Depending on car model, these lights may indicate problem with emissions sensor or may light up at certain mileage, usually 60,000 miles (100,000 km). Get sensors checked. OK to drive. If problem exists, car might get poor gas mileage.

Oct 31, 2011 | 2001 Chevrolet Cavalier

3 Answers

Electrical power system service required.....ABS warning light, generator warning light, brake failure...car stalled and wont't restart


usually caused by failed generator. Fix the generator and other lights will also extinguish. The car should jump start, but will not stay running without a charged battery. Recommend removing the generator and take to parts store for testing. Would you like instructions for removing generator?

Oct 17, 2010 | 2001 Volvo V70

1 Answer

The brake and battery light came on? I changed battery and the lights didnt go off?


Battery light usually indicates alternator failure. Check alternator.
Brake light indicates brake issue. Brakes must be inspected for leaks, check reservoir fluid level, etc.

Aug 30, 2010 | 2001 Hyundai Santa Fe

1 Answer

TCS light & ABS Light on/off intermitent


usually when there is an interuption in current flow you will get flickering indicator lights on the dash. This means one of two things, either the sensors that control those indicator lights are becoming faulty or the alternator may be on its way out. One thing you need to keep in mind if you ABS unit is on its way out you will not notice any difference in drivability. ABS is just a brake assist(Antilock Brake System) when it fails you don't lose your brakes you just stop like a regular brake system would without an assist.(ABS) Maybe the unitis on its way out as well.. I would ge it checked as well.. Good Luck

Dec 07, 2009 | 2001 Honda Accord

1 Answer

2001 Mercury Grand Marquis brake and ABS dash lights on and off


The red brake light is the key here. That usually indicateds a hydraulic problem. Check you fluid level in master cylinder and see if it is low. Also the level indicator sensor there in the master cylinder maybe sticking or corrioded. If ABS sees the red brake light it will shut off and turn on the ABS light,also traction control would be disabled as well.

Feb 04, 2009 | 2001 Mercury Grand Marquis

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