Prius (2004-09) :: Error Codes P1121 And P3000 - Not Enough Coolant
Jul 18, 2010
So I received the P1121 and took it to the dealer. They told me I also had a P3000. I called another dealer and they said the P3000 could be caused by the P1121 not giving it enough coolant. So I brought it back to the house, bought the valve listed in the forums, and I spent all day changing that + the coolant. I drained the coolant and between the reservoir and the radiator cap itself I refilled about 4 QT, and I saw that my inverter coolant was just below the low line, so I filled it up to the full line. Afterwards, I tried to get the coolant to flow, and it seems like I won't flow. The check engine light immediately came back on and the car said, "Problem." So I immediately shut it off and let it set for a few days. How do I get it so that the coolant starts flowing again. I haven't seen any of the levels move whatsoever on the radiator.
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Yesterday I got the "red triangle" and check engine light along with these 3 codes:
P0A80 - replace hybrid battery pack
P3019 - battery block 9 becomes weak
P3000 - battery control system
In April of this year I have the entire battery replaced, in September I got the triangle again and one cell was replaced under warranty. My warranty is good through April 2016, however I'm afraid that this new code P3000 is going to be something not included in my warranty.
What could potentially be wrong? This is a 2006 Prius with approximately 208,000 miles. I'm not sure this is worth it anymore especially if I have to keep putting in more money.
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I need assitance on the following diagnostic report. My prius shows:-
1. Red triangle with exclamation mark,
2. On the LCD red car with exclamation mark,
3. ABS sign - on and off.
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I have a 2006 prius whose check engine light just came on 1 hour ago. I had it diagnosed and it is giving me the p1121 code, or the coolant flow control valve. I checked the coolant level and it was very low. I added fluid, but the CEL is still on. I have to make an 11 hour trip tomorrow.
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The P1116 and P1121 codes have shown up on my 2009 Gen II Prius about a month ago. The CEL is intermittent - it will disappear on its own within a few drive cycles to a week, only to come back again. I'm not sure what to do next - should I go ahead and replace the three-way coolant valve or water pump or both?
Of note I also hear a "push-pull" noise from the engine compartment. Sometimes it persists through an entire drive (my trips are usually short, under 30 minutes) or sometimes it will only happen upon a cold start then stop after a few minutes of driving. What the noise indicates? It sure sounds like some sort of valve or piston opening and closing. It's faint so I've "enhanced" it to make it louder.
Apparently I can't upload .wav's here, so I placed it on dropbox. And since I only have one post, I can't directly link to it. So I will post three replies in order to paste in the link.
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What is the to cause to check engine light go off. I will take my car to auto zone tomorrow morning to hopefully get a code and see if I can fix it myself... if not, then I am going to have to go to the dealership.
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Just last week I bought a 2007 prius from a local dealership in Houston. The check engine light recently turned on and had it checked out by an auto parts store. The codes they read were the p1116 and p1121 (issues with the coolant valve). I know it would cost much to replace the valve, and I am not wanting to pay that much, especially since i just bought the car. I'd also be willing to fix it myself if i had some guide or step by step instructions...
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i have a 2005 Toyota Prius that the air conditioner wont work in. it has Freon in it the compressor wont kick so I did some research and my cooling fans aren't kicking on so I did a by pass test and the cooling fans motor is good they just wont kick on. I just replaced my 2 cooling fan relays and they still wont kick on. the check engine light was on in the car when I got it. it throws the code P1121 coolant valve control. I got the part just got to get it put on. Could this part stop my cooling fans from kicking on or my ac compressor from coming on.
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So I drive a 2008 and a couple months ago I started getting the Check Engine Light. Codes P1121 & P1116. Found out it was most likely related to a faulty Coolant Control Valve or Electric Water Pump. Since the pump was just recently changed I went ahead and got the valve changed.
The light is still coming and going but now when I go on the expressway that red triangle with the exclamation pops on with a little beep. Only pops on for a couple seconds and keeps coming back until I drive a bit slower.
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The check engine light on my '05 Prius has gone on and off a couple of times and is giving me a P1121 code, which I found out means "Coolant Flow Control Valve Position Sensor Stuck". Does this have anything to do with the hybrid electric coolant pump that was replaced under recall a while back?
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My check engine light was throwing the code P1121 for the coolant flow valve. Toyota replaced it under a warranty enhancement (I have 134k on it), and since then my mpgs have gone from 46 to 50.
My AC is working much better now, too. My theory is that the valve can be in a semi-failure mode for a long time before throwing a code. Now that My coolant is flowing the way that it should, heat is being dissipated more efficiently.
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It's been a long week for me and my 2007 Prius. Brought it to the dealer after receiving my first ever CEL. I have 222,000 miles on the vehicle. The a/c was also blowing warm when the CEL came on. They checked that and told me that the compressor was "breaking up." Then they call me back to tell me that my 12V battery died. They asked me if I had problems with starting the vehicle. I said never. Never had any issues with the car in 222,000 miles.
Well, told them to replace the battery (no choice) and the car is 5.5 years old in Florida heat so it was ready to die. Very suspicious that it died while they had the vehicle, but what can I say. Told them to not repair the coolant flow valve or the a/c until I could investigate further on my own. CEL is now off. The a/c is blowing cool again.
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2001 Prius
I was able to pull codes this evening ( no subcodes).
The codes are as follows:
P3000, Battery Control System Malfunction
P3030, Battery Voltage Detective Line Snapped
Will the P3030 cause a P3000 to pop up since it appears I have one of the 19 voltage detect lines corroded or broken?
Once I fix this issue, is there a chance that the P3000 will disappear?
I was just getting the triangle and the Main Battery error on the MFD up until yesterday. Yesterday, the ! with the car came on (Hybrid system) on the MFD. I did not check any codes until today. Car will currently not start at all.
Aux battery voltage is confirmed to be 12.3 volts via the MFD in the diagnostic mode so it's good to go.
No one around has a scan tool that will also pull the subcodes.
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I've got our beloved 2005 Prius giving us the dreaded CEL with these two codes: p1116 and p1121.
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I am working on a 2003 Prius with 120k. It died when the owner was coming to a stop. He had it towed to the dealer who told him it needed an inverter and quoted $4600 to replace it. I replaced the inverter with a used unit from a wrecked car. After clearing the codes the car starts and runs but after a few minutes the triangle of death comes back and codes P3000 and P3009 are set.
Battery voltages are as follows.
Where the best place to start diagnosing the leak is ?
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I would like to understand what this reports mean.
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I have a 2001 Prius with about 110K which I have owned since new. It displayed the hybrid warning light (as well as check engine) 2 weeks ago and I took the car in to the local dealer.. After a little muddling around they came up with codes indicating that the computer for the battery was going. I purchased that Part Number: 8989047030 Part Description: electrical, battery, computer H.V. SUPPLY. and the dealer installed that part a couple of days ago.
Now the following codes (and only these codes according to the dealer) are displaying and indicating faults in the main battery: P3006 and P3000.
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01-d5 190-45-c
01-dc 190-75-5
01-dc 1c6-0f-f
01-de 1c6-2b-1
The aux battery was changed about 9 months ago and the only problem I currently have is the tag lights are not working.
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I have a 2005 Toyota Prius with about 150K miles on it. After work one night i hit a pothole and my ABS and BRAKE lights came on. I took it to a garage and they could t find anything wrong with it so they reset the light. It came back on about a week later (no potholdes this time) and i took it back. They hooked it up again this time it said there was an issue with the computer coding. So i took it to a Toyota dealership. They hooked it up to all their scanners and could find nothing wrong with my vehicle. They recalibrated the sensor and the light went off. Now a week later it is back on again. Brakes work fine and we get no error codes.
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The red triangle warning on my dash recently came on so I am taking it to the nearest dealer on Monday. I think all of this is covered under recalls/warranty. Am I right?
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I just bought my 2006 Toyota Prius about a year ago in 2009. About a month or two ago, the check engine light came on and stayed on along with a big red triangular warning light.
I brought the vehicle into my local Toyota dealership so they can diagnose it.They told me that they had 3 or 4 different "codes" coming from the machine when getting the signals from the check engine light. All the codes were related to the cooling system. They said that they felt that there was "debris" clogging the pathway for the coolant flow throughout the engine. They had recommended a "coolant flush" for the hybrid side as well as the mechanical side.
So I had them perform the coolant flushes. After leaving the dealership that 1st time, the check engine light came back on the next day. I called the same dealership and explained it to them. They asked me to bring it in again.
SO I brought it to them a 2nd time. They diagnosed it again. They told me they came up with 2 of the SAME "codes" and 1 that was different, but ALL the codes were STILL related to the cooling system. They explained to me that something was preventing the clear flow of coolant throughout the engine. And since the thermostat was the only major obstacle, they recommended that I replace it. Well, I did. And after I left the dealership that 2nd time, I was praying that this was the last of my Prius issues !
The check engine light came back on the next day. The service person invited me back and did not charge me this time because it was the same issue. I told them that I am not in the business of randomly changing parts on my car unless I am absolutely sure I know exactly what the problem is. HOWEVER, this time they kept my vehicle for a good week or two. Running it through various diagnostics tests overnight here and there.
They finally came out and said that they feel that I have a coolant system leak coming from my engine and that I need to replace my head gasket which is responsible for sealing the engine.
During my 1st visit, the codes were P0117 and P1150
During the 2nd and 3rd visits , in addition to those, there was one additional one that came up that I will post as soon as I find it !
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