Prius (2004-09) :: 2005 - Battery Drains Fast And The Car Running Rough / Code P1121

Code says P1121 Accelerator Pedal Position Sensor Range/Performance Problem. I heard that was wrong and its really coolant control valve? The battery drains fast and the can runs like crap. Would this code be doing that to the car?

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Prius (2004-09) :: When Does HV Battery Cooling Fan Come On

My inverter over heated. Looked at reservoir for motion of water saw none. Took car to toyota for pump recall. When I got it back I heard the pump. Never heard it before. I don't think it ever worked. & water is flowing in reservor now. Now I am thinking about the HV bat. fan because I never never ever heard it working. When does it come on and how could I test it?

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Prius (2004-09) :: Battery Cooling Fan Comes On 1st Time In 56,000 Miles?

First time I've ever noticed it at least. And she's been on 2 huge x-country road trips with much hotter temps than the other day.

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Prius (2004-09) :: Code P0A93 - Inverter Cooling System Performance

I have a 2007 Prius, and bought it used about 4 months ago. I have not had any issues with it until last night. Last night I was driving home and the red triangle with the “ ! “ in the middle and check engine light came on. The car seems to be running fine, but it scared me to see the lights come on...so this morning I called my local Toyota dealership.

NOTE: I recently went to them for an oil change and they informed me that I had three recalls on my vehicle that needed replacing, but I did not get them replaced because I was told it would take 5-6 hrs (which I didn’t have at the time).

Anyway, they told me that it would cost $70 to have the codes read...and that did not include parts that may need replaced... I thought that sounded a little high for just having the codes read so I went to my local Autozone and they gave me this code:

P0A93 - Inverter Cooling System Performance

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Prius (2004-09) :: 2005 - AC Stopped Cooling If Stop For Long Periods Of The Time

I am having issues with my air conditioning on the 05 prius. For some reason when I leave to go somewhere its fine, but if I stop for long periods of the time the a/c stops cooling, the fan is still blowing. Once i take off it cools somewhat better but still not cold as it should be.

I have already had the car checked for DTCs and there are none, plus I had the a/c vacuumed down and recharged to factory specs, it still has the same problem.

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Prius (Gen 2) :: 2005 Hybrid Battery Installed, Engine Code 2102 / Bars Dropped

I just bought 05 prius from a dealer I don't know the history was told all it needed was a hybrid battery.

Now I have a 05 that I drive with known good parts so I pulled my hybrid battery and installed it in the new car the monitor showed engine charging inverter then going to the battery. However the bars on the battery graph start dropping. only code is a engine code 2102.

I also noticed the old A/C condenser in the back.

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Ford F-150 (2004-2008) :: 2005 - P0172 Code Keeps Coming On

I have a 2005 F150 Fx4 5.4 that keeps throwing a p0172 code. I've replaced all spark plugs, C.O.P's, fuel injectors, Mass airflow sensor, 1 o2 sensor, checked all vac lines and there ok.

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Dodge - Neon :: 2005 - Overheating / Cooling Fans Are Not Coming On

2005 Dodge Neon SXT 206XXX

Long story short on a trip (about a 1 hr. drive) got about a block away from destination and gauge showed it was over heating. Stopped the car started up after five min. just fine. Got home replaced the thermostat and cap (old cap was junk). New cap was junk aftermarket so yesterday I took the same car on a half hour drive to get a Mopar cap ran just fine up again until a block away, pulled off the road turned it off let it set a few min. then didn't even show it was over heating. Let the pressure off and replaced the cap and added in a bit more coolant ran fine all the way back (even pushed speed in a few spots).

The above is just what seems to be the mechanical side of the issue. After noticing the gauge was going a bit above the normal spot I noticed my cooling fans are not coming on. Checked fuse and tested relays out to be fine. First thought is to check voltage to the fans but also tempted to check coolant temp sensor with bench test. Will be going over to my dads to do voltage testing later today.

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Prius (Gen 3) :: Battery Cooling Fan Comes On Way Too Late

Prius OEM fan control - EAA-PHEV It seems like at least in the Gen II, the battery fan is quite "lazy" and comes on way too late just like most variable speed fans in electronic equipment.

In the Gen III, does the fan have the same problem? If so, is there an easy way to perform the mod that can be easily undone?

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Prius (2004-09) Fuel :: 2005 - Bad MPG - Need A New Battery?

I have a 2005 Prius that I purchased in 2010 as the second owner. When I first got it, I would average 50-65 MPG depending on city vs. interstate (per trip computer). After about a year, I was usually in the 40's. However, in the past 6 months or so, the MPG has dipped drastically. Based on the trip computer, I average about 30 MPG on the interstate and 15-20 MPG in the city. I have read that often times, a dip in MPG signals a need to change the 12V. I tested the 12V, and it's usually around 12.4V after sitting unused for 12+ hours.

More info: -The poor MPG is consistent whether it's 95, 65, or 35 degrees outside.

-Flat terrain (Washington, DC)

-Usually shorter trips of about 20-25 minutes.

-75% city, 25% highway. Highway driving is pretty smooth, little traffic, average of 55 MPH. City driving is incredibly stop and go due to traffic, constant stop signs and red lights, etc., with probably an average of 15 MPH when I'm actually driving.

-No overfilled oil.

-Had an alignment maybe 8 months ago - nothing unusual about the drive or tire wear.

-Goodyear Viva 2 Tire P185/65R15, maybe 15k miles put on them. Tire pressure unknown at the moment.

-I drive like a grandma in D mode.

-I don't warm up the ICE.

-HVAC is off.

-In terms of whether any significant changes occurred around time I noticed the drop: none. I was living in Florida at the time, doing a highway commute of about 2 hours roundtrip every day with a small bit of city driving when the mileage drop occurred. I have since relocated to DC, and the problem is the same.

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Prius (2010-12) :: Traction Battery Cooling Fan Come On

How often should the traction battery cooling fan come on? It started to be warmer here in FL, and I hear this fan more often now. I bought my 2011 in December and up until now almost never heard this fan working. Now it comes on at least couple of times a day, mostly under heavy acceleration in Power mode.

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Prius (2004-09) :: P0AA6 Code / Aux Battery Died

I've got a 2006 Prius that was a model car--no problems at all--until it turned 4 years and 1 week old in April 2010. Then my aux battery died on 22 April, with just 31,583 miles on the car, and was replaced at Downtown Toyota in Oakland, CA. My dashboard lighted up after hours, and since my regular mechanic (Art's Automotive) was already closed for the evening, I had it towed to downtown Toyota. No huge deal, except for the cost of the battery/labor. The codes were: C2318, b1421, b1200, b1207, and b1271.

4 weeks later, on 22 May, I pulled into my driveway, and 4 lights came on: the MIL, the VSC, the yellow ! inside the circle, and the Hybrid System Failure icon on the MFD.

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Prius (2004-09) :: Code P0A85 - HV Battery Is Overheating

I have a 2006 with 188,000 miles. We replaced the hv battery at 155000 miles. the car has been getting lower mileage than usual, around 36 mpg, we usually get 43 to 45 on the trip to work and back. the red triangle appeared and all the other lights a couple days ago. Borrowed a code reader, not a scan gauge, and the code came up P0a85, and says the HV battery is overheating. I checked the 12v battery and it is low, at 11.7 volts. So I am replacing the 12v battery, should be here in a couple days, already replaced it once, about 4 or 5 years ago.

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Prius (2004-09) :: 2005 - New Battery Installed Now Car Will Not Start

My mechanic installed a new Hybrid battery in my 2005 Pruis using the repair manual and a video that showed him how to do it. He also replaced the harness and the ECU battery. When he tries to start the car all of the lights light up on the dash but no ready light on the start button and the car will not start. The instructions did not say anything about this issue so he is lost! He thinks the smart key and the ECU have to be synced in some way but doesn't know how to do it.

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Prius (2004-09) :: 2005 - 12v Battery Not Charging While Driving

195k miles.... I have charged the battery, I have bought a new battery, I have Charged the new battery... All with no avail.. Slowly but surely one at a time the abs trac control and stability control lights come on and eventually the triangle of death... Meaning when I shut it off its not going to restart.. If i drive it sparingly it might take a week if i drive it all day then it takes one day... when fully charged there is no warning or sign that there is a battery issue or draining untill the voltage is starting to get low. I have an ultra gauge hooked up and shows 14.14 while driving, I am lost as to whats the issue. also no codes or pending codes... I have taken the new battery to auto zone and had a functional test done.. said checked good... signed befuddled

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Prius (2004-09) :: 2005 - Gas Unnecessarily Charging Battery

The MFD on my 2005 prius shows that every time the gas engine kicks in, it trys to charge the batt. even when it doesn't need to be charged. This has been happening for about 2 weeks, and not one time has the gas engine kicked in without showing the arrow going to the electric motor, even when the batt is completely full. I know it's not just a problem with the MFD because my MPG average has clearly gone down since this started.

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Prius (2004-09) :: 14 Blink Code On Hymotion LED - 12V Battery Replacement?

I'm getting the 14 blink code on my Hymotion LED indicating that my 12v battery is needing replacement. My question is that the car seems to run fine with the exception of my mileage is low. I'm ordering the Optima replacement. Can I still drive around for another week without worry?

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Prius (2004-09) :: 12V Battery Does Not Crank Car - Code P0A80 And P3021

I had a 12v battery issue that I see common. 12V battery does not crank car. Jump car and works fine for a few days. I had this issue and it went away. Dealer said replace 12v battery, or just carry my charger pack with and use that unless it gets worse.

Jump ahead 2 months. I drive 50 miles each way to work 5 days a week. No issues. Yesterday, after my car sitting all day, I am backing out of driveway and get the red triangle. Code was P0A80. I looked it up. I cleared the code and was going to dealer if it came back. Today, after driving 50 miles into work, no issues, I get the red triangle. Code P3021. Fan started running back there too

My question : Would replacing the 12v battery useful for this issue?

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Prius (2004-09) :: P3024 Code After Reconditioning Battery Pack

Back in November/December I discharge/charge-cycled each module in my battery pack 3+ times after replacing 3 bad modules. I didn't get to reassemble everything and drive the car until the holidays. On short trips around town, everything seemed okay, but on longer trips (limited data here, but say 40-45 miles) I got the red triangle and some other lights (see photo). I read the code as P3024 which from what I find means Battery Block 14 Becomes Weak. I can clear the code and the car is happy until the next trip...

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