Prius (2004-09) :: ICE Not Turning On - Code P3000

My 2006 Toyota Prius with 130k miles i had the 12v battery replaced 4 months ago because I had the dashboard not turning on when starting the car. I drive about 200 miles everyday for work (deliveries) so the car basically is turned on all day.

Last week when I got home turned off my prius when I turned it back on later that night the dashboard would not turn on. Tried disconnecting the 12v battery and still no dashboard. Drove around like that for two days until Friday when suddenly the dashboard turned on and everything was fine.

Later that night I turned on the prius and the dashboard didn't turn on again, shut it off and turned it back on, dashboard turned on.

Now the big issue: The ICE does not want to turn on. Vsc and abs lights with the triangle of death are on. Code reader wasn't showing any codes.

I towed the prius to my mechanic so I wouldn't get stranded with only the electric motor running, he checked the 12v battery, fuses and relays. Moving the car around on his lot they discharged the hybrid battery. At first there were still no check engine light and no codes. Now the prius is throwing the p3000 code.

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Prius (2004-09) :: 2005 - Lights Came On - Not Much Acceleration - P3000 INF 123 Code?

I was driving my 2005 Toyota Prius and all of a sudden some lights came on the dash. The orange check engine light, The big red Triangle with an exclamation mark on it, the orange VSC symbol, and the orange exclamation mark all at once. I also heard the fans in the back seat kicked in which I never heard before. It felt as though the car didn't have much acceleration. I took it to the dealer and they had it a whole week trying to figure out what it was wrong. They said they got the P3000 INF 123 code from the car which they said the HV control ECM for $2000. Needless to say I don't want to pay that! I found used ECM on ebay for $85 and I bought a scangauge 2 . I pulled 2 different codes out with the scan gauge 2 P0A80 and P3021.

Do you think the dealer diagnosis is right? What does the codes I read out mean?

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Prius (2004-09) :: Getting Code P3000 Sub 123 / Abnormal Signal From The Battery?

I have a 2004 prius with p3000 sub 123 this is the only code. This happen after a replace a cell. Now I check every cell all of them are around 8 V.

P3000 subcode 123 is abnormal signal from the battery...

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Prius (Gen 2) :: 2003 - Code P3000 / High Voltage Leak

I bought an 03 with 58K miles on it. shortly after I bought it the check main battery light came on, the local Toyota dealer told me I needed a new main battery.

I had a P3000 code, a high voltage leak. It turned out to be corroded buss bars and cables, with 2 leaking cells, $1,450.00 latter the onboard computer said the problem was fixed and my display read normally for about 1,500 miles before I started getting that code and the check main battery light again.

I took it back to the shop tat did the work and they ran the diagnostic's on it again, checking the main power cables that led from the main battery under the car to the Toyota Hybrid system, inverter? under the hood they checked all of the high voltage connections, they all checked out fine. The shop then took several days to do an online search for possible causes.

This led to the CV trans axle with its electric motors and generators as the possible culprit. The car is running and driving fine, so I did the 60,000 mile transmission oil change, suggested by my mechanic ( apparently the fluid becomes conductive with age) the check battery light will go off if I remove the secondary battery terminal for a minute or so and stayed off for 2 tanks of gas after the fluid change but it did come back on.

I can reset the computer easily enough and it will stay off for 3 to 400 miles but I'm looking to get the damn light to stay off. I'm going to change the trans fluid again. Changing drive motor or generator?, can this be done in the car? or at all? It may be that if this is the problem it may end up making sense to just put in a new CV transaxle.

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Prius (2001-03) :: Fault Code P3000 / Main Battery Bad

I have a 2003 Prius with a hard falt code of P3000 main battery bad! But there is not anything wrong with the batt or how it runs. I cleared the code and in 10 miles or so it comes right back? I was thinking of a reflash on the computer, what to do?

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Prius (2001-03) :: Warning Symbols Come On Frequently - P3000 Code / High Voltage Leak

I bought an 03 with 58K miles on it. shortly after I bought it the check main battery light came on, after the local Toyota dealer told me I needed a new main battery. I had a P3000 code, a high voltage leak. It turned out to be corroded buss bars and cables, with 2 leaking cells, $1,450.00 latter the onboard computer said the problem was fixed and my display read normally for about 1,500 miles before I started getting that code and the check main battery light again.

I took it back to the shop tat did the work and they ran the diagnostics on it again, checking the main power cables that led from the main battery under the car to the Toyota Hybrid system, inverter? Under the hood they checked all of the high voltage connections, they all checked out fine. The shop then took several days to do an online search for possible causes. This led to the CV trans axle with its electric motors and generators as the possible culprit. The car is running and driving fine, so I did the 60,000 mile transmission oil change, suggested by my mechanic ( apparently the fluid becomes conductive with age) the check battery light will go off if I remove the secondary battery terminal for a minute or so and stayed off for 2 tanks of gas after the fluid change but it did come back on.

I can reset the computer easily enough and it will stay off for 3 to 400 miles but I'm looking to get the damn light to stay off. I'm going to change the trans fluid again. Changing the drive motor or generator?, can this be done in the car? or at all? It may be that if this is the problem it may end up making sense to just put in a new CV transaxle.

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Prius (2004-09) :: Error Codes P1121 And P3000 - Not Enough Coolant

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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Prius (2004-09) :: 2006 - Got Error Codes P0A80 / P3019 / P3000?

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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Prius (Gen 1) :: 2001 Car Stalled And Ran On Battery Only - P3000/123 And P3125/287

Car stalled and ran on battery only. Set code P3125, and depleted aux battery. So, I replaced the inverter and recharged aux battery.

Drove it 20-30 miles test driving it, when the MIL came on.

Drove home and found 2 codes set, 1st was set while driving, 2nd was set after parking.

P3000/123 - MPH=22 MG2.RPM=1280 SOC=65% Position=D
P3125/287 - MPH=1 SOC=60% Position=P

Any TSB on this issue?

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Prius (2001-03) :: Loud Hum During Regen Breaking / Low Mpg - P3000 And P3009

Bought a used 2002 Prius in December of last year. When I got it home the hybrid system warning light and the check engine light came on, but after reading through priuschat for a few hours I thought to take a look at the engine air filter, which turned out to be utterly filthy. Replaced it and the car ran fantastically for the next 8 months, which was plenty of time for me to fall utterly in love with how quiet it is and how smooth a ride it is.

The carfax report for the car showed that its battery was replaced shortly before I bought it and that its transmission fluid was changed approximately 20k miles before that, so I thought (apparently mistakenly) that I didn't have to worry too much about either.

During these 8 months the car saw my regular mechanic for oil changes twice, had a bad CV axle replaced and I was told the serpentine belt was glazing and may need to be replaced with the next oil change, but neither I nor my regular mechanic noticed any other issues.

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Prius (Gen 1) :: 2011 Getting Triangle And Main Battery Error On MFD / P3030 / P3000

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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Prius (Gen 1) :: 2003 Died When Coming To A Stop - P3000 And P3009 Codes

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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Prius (Gen 1) :: 2001 - Codes P3000 And P3006 Freeze Frame Data Uploaded

I would like to understand what this reports mean.

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Prius (Gen 1) :: Codes P3006 And P3000 Displaying And Indicating Faults In Main Battery

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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Prius (2001-03) :: Got Error Codes P3001 / P3009 / P3000 / P3004 / P3140

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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Prius (2001-03) :: Severe Vibration When Turning Hard Right Followed By PS Error Code

This summer my power steering went out. I replaced the steering rack with a remanufactured rack, which failed. I got the replacement rack replaced by the remanufacturer and installed by a different shop. Same problem: SEVERE vibration when turning hard right followed by the PS error code, or just little twitchy motions when driving. I'm having the second shop take a look at it again this monday as I suspect that this is a data processing issue.

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Toyota - Sienna :: 2004 - Code P0793 / Hard Shifting Between 2nd And 3rd Gear In Traffic

I have a 2004 Sienna LE with 169,500 miles. It started to shift hard between 2nd and 3rd gear in traffic (it had previously never had ANY hard shifting). A few minutes later the CEL came on along with the VSC and Traction Control lights. Both Advance Auto and a Toyota dealer confirmed that the codes showed the speed sensors on the rear wheels (both sides) were bad. The Toyota dealer also declared that the low gear solenoid in the transmission was bad and the transmission would need to be replaced soon. I found it strange that the transmission started shifting hard at the exact same time the speed sensors went bad. Is it possible that simply replacing the speed sensors would fix my hard shifting issue? I am a shade tree mechanic that does brake work and other intermediate tasks. Is speed sensor replacement an easy job on this Sienna?

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Jeep - Wrangler :: 2004 - Hard Start - Rough Idle - Getting P0505 Code?

My 2004 Rubicon has been having some idling issues. It idles kind of rough (+- 200 RPM) and is hard to start. I tried to start it recently and after 4 cranks, it started then the CEL came on, and has been on ever since. I have recently moved from Washington state to Houston Texas, and the problem starterd here in Texas. I checked the code and am getting a P0505 code. I had a mechanic replace the IAC valve, Checked for vacuum leaks, and cleaned the throttle body. The mechanic says the output from the main computer appears to have burned out, and needs to replace the main computer(for $1000). The mechanic can clear the CEL, but after turning the jeep off then back on it reappears. The mechanic says he verified the computer was the problem by installing a known good computer and it cleared the problem. Does this sound right to you? If my computer is bad, wouldn't my whole operation be affected?

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Ford F-150 (2004-2008) :: Rough Idle And Hard Miss Under Load - CEL Code P0306

2005 f150 5.4.

I have a slightly rough idle and can feel a miss at 1600 to 2000 RPM. Sometimes running about 65 MPH up a slight grade I can slowly press the gas pedal and the engine will begin to miss much worse, causing the truck to shake pretty bad. When it gets this bad it will slowly flash the CEL and I get a P0306 code (Cyl 6 missfire).

The truck has 148000 Miles on it and the plugs were replaced at approx 120000 by the dealer.

In the last week I have replaced the plug in cylinder 6 (looked ok) and have replaced all the COP's along with the fuel filter and the injector on #6.

I haven't been able to get it flash the CEL light or throw a code since replacing the COPs though and I am at a loss at to what to try next.

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