Replacing the Hybrid Battery!
Has anyone else out there had to replace their hybrid battery?
We have a 2001 Prius w/ 145,000 miles. Last week the Master Warning Light came on along with the check engine light. This had happened once a few months ago and the dealership was not able to give us a good explanation of why. This time when the lights came on they said the codes indicated that the computer controlling the battery needed to be replaced and most likely the hybrid battery as well. The full cost of the replacing the computer and hybrid battery is $5000!!! :(
I knew someday we were going to be hit with this cost, but I really had no sense of how much it would be as no one was ever able to tell us. In fact, we will be the first Prius in our area to have the battery replaced because it actually wore out (as opposed to being warrantied).
I checked w/ an independent mechanic on the wholesale cost of a new hybrid battery and he said just the battery alone w/ no markup is $3500.
Anybody out there have any experience with having their hybrid battery replaced? If yes, what did you pay for it? Anybody try using a salvaged battery and computer?
For the rest of you Prius owners, you might want to start up your battery replacement fund now! This repair is not cheap.
It might not be the Battery
NC .... back up a Minute .... you said that they need to change the Computer controlling the Battery . The ECM ( Electric Control Modular ) that controls the battery flow is known for failing between 140,000 and 150,000 miles. Have them replace the unit and you should get an additional 50,000 to 80,000 miles out of your Prius......... I would not say that your Battery has gone bad (Per-say, Maybe a Little worn out) ........ unless you based out the unit ( Driving without the 4 cly ......... using up all the energy in the battery ). Talk with DAN on www.Priusonline.com he is a True Mechanical and Battery GuRu.....
My HV battery nightmare….
OK, here we go. I can’t get help from customer support, so I need the support OF customers.
I bought my 2001 Classic from Carmax on March 31st, 2007 and drove it over 500 miles in 3 days. It easily averaged 50 mpg overall, up to 60 mpg at times, with no problems or warning symbols that I could detect. Then I took it to a the largest Toyota dealer in the state, at about 60K miles, for a full checkup, and now it’s been in their shop for 3 weeks.
At first they said they found a stored trouble code and it needed new spark plugs, gasket, injectors, and a new computer, all for free under Toyota warranty. They loaned me a new free Camry and did the work, and replaced the aux battery, too, and then it wouldn’t start.
I’ve talked with 4 levels of the dealer’s mechanics and managers, and they say the HV battery is basically dead, and they’ve been trying to start it every day, but the ICE won’t start. They’ve been trying to get the only HV battery charger in the region to try charging it, and if it can’t be, they’ll replace it free, but they may not get the charger until May 2nd.
I trust this dealer because a friend has been satisfied with their service on her Corolla for 15 years, but I need my Prius back and running, and the dealer isn’t making any progress. They don’t know, or won’t say, if the HV battery was drained during their work. I want to be driving my Prius when I’m making loan payments and buying an extended warranty this month. The Carmax 30-day warranty runs out soon, but Toyota seems to be struggling with its responsibility to fix the hybrid system. They just say, “We’ll make it right. Keep driving that free Camry. You’re going to have a great car.” But WHEN?
I have a document of the crankshaft position sensor recall repair, but from reading internet posts, I think it has missed out on a number of recalls, such as the steering box item.
Here is data from a live laptop printout of the HV battery that the mechanic did for me April 19th. The printout says “2003 Prius 1NZ-FXE.” It may say 2003 because that’s the latest ECM-reading program for the 2001. Some values were cleared when disconnecting and connecting the 12V battery. The charge indicator on the Energy touch screen showed maybe ¼ charge. He showed me that the ICE would not start. He said the ICE will start once the HV battery is charged, because he has charged several others.
Battery SOC 0.0 %
WIN -20.0 KW
WOUT 0.0 KW
Delta SOC 20.0 %
IB Main Battery 0.00 A
Battery Blck Min Voltage 8.07 V
Min Battery Block No 8 #
Battery Block Max Voltage 14.06 V
Max Battery Block No 19 #
Battery Temperature 1 68 F
Battery Temperature 2 64.4 F
Battery Temperature 3 66.2 F
Battery Temperature 4 68 F
Battery Inside Air Temp 66.2 F
Normal Status Yes
Pre Onboard Charge No
Onboard Charge Status No
Outer Charge Status No
Cooling Fan Lo OFF
Cooling Fan Mid OFF
Cooling Fan Hi OFF
VMF Fan Voltage 0.000 V
SBL Fan Stop Request OFF
Auxiliary Battery Voltage 10.937 V
EQTR Charge Start Sig OFF
EQCO Front Relay OFF
Estimat of Ex Charg Hour 0.0 Hr
Battery Blck Voltage 1 13.48 V
Battery Blck Voltage 2 12.11 V
Battery Blck Voltage 3 10.31 V
Battery Blck Voltage 4 9.70 V
Battery Blck Voltage 5 9.21 V
Battery Blck Voltage 6 8.56 V
Battery Blck Voltage 7 8.63 V
Battery Blck Voltage 8 8.09 V
Battery Blck Voltage 9 9.14 V
Battery Blck Voltage 10 8.51 V
Battery Blck Voltage 11 8.73 V
Battery Blck Voltage 12 10.12 V
Battery Blck Voltage 13 10.47 V
Battery Blck Voltage 14 10.80 V
Battery Blck Voltage 15 11.65 V
Battery Blck Voltage 16 12.72 V
Battery Blck Voltage 17 12.76 V
Battery Blck Voltage 18 13.51 V
Battery Blck Voltage 19 14.06 V
Inside Resist 1 0.024 ohm
Inside Resist 2 0.022 ohm
Inside Resist 3 0.022 ohm
Inside Resist 4 0.023 ohm
Inside Resist 5 0.023 ohm
Inside Resist 6 0.022 ohm
Inside Resist 7 0.023 ohm
Inside Resist 8 0.021 ohm
Inside Resist 9 0.022 ohm
Inside Resist 10 0.023 ohm
Inside Resist 11 0.022 ohm
Inside Resist 12 0.024 ohm
Inside Resist 13 0.022 ohm
Inside Resist 14 0.022 ohm
Inside Resist 15 0.022 ohm
Inside Resist 16 0.022 ohm
Inside Resist 17 0.022 ohm
Inside Resist 18 0.021 ohm
Inside Resist 19 0.022 ohm
Onboard Charge Time 0 times
Battery Low Time 0 times
BC Inhibit Time 0 times
Battery HI Time 0 times
IG OFF Hour 0 Hr
IG ON Hour 0.04 Hr
The Stored DTC Num 0
ECU Code 47030A
The mechanic says he’s charging the small battery, and Toyota won’t let him replace the HV battery without trying the charger. The charger may actually even out the voltage variation after a while. He says if the charger doesn’t work, they can get a new HV battery overnight. The charger should be in on May 2nd. He says he’s doing everything he can for me, but still has no theory on what happened to the HV battery.
So far Prius enthusiasts have expressed opinions on both sides - that the dealer really doesn’t know how the HV battery died and I should be glad they’re treating me so well, or that they goofed and won’t admit it and I should keep investigating. The fact that I brought in a Prius running fine and it “shortly” became a Prius that won’t start doesn’t add up. It appears that they started out trying to perform work according to EG006-02, “M.I.L. ‘ON,’ Misfire,” and somehow goofed. I’m not accusing anyone, I just want to involve and inform as many enthusiasts as possible so I won’t feel so alone without my Prius.
I’d appreciate any advice you guys can provide, and I’ll keep you posted.
Day 29, HV battery “repair”
Folks offered both cautionary and encouraging comments on my service concerns, but after nearly a month, I finally turned in the loaner and picked up my 2001 Prius… done just right!
The dealer started out doing an injector repair required by a code stored in the ECM, and they explained that the delay was due to the coincidental occurrence of 3 problems: the fuel pump died while finishing injector replacement; the HV battery died while repeatedly trying to restart the car; then Toyota management in Georgia squabbled over the only HV battery charger in the southeast.
So still, I am "The Luckiest Dog In The Known Universe” because I got a lot of free stuff, including a thorough inspection, a service history review, valve adjustment check, labor, loaner, and materials. With new injectors and associated materials, engine computer, fuel tank with fuel pump, and small battery, my Prius is completely up-to-date, for free! The tech even says all the HV pack cells vary by 0 volts.
The upshot is, if Toyota takes away your Prius for repairs for a long time, it REALLY pays to be patient.
And, I think we all learned that Toyota needs to have more than one HV battery charger in the southeast.
So if your Prius needs work in the Charlotte NC area, the best place to take it is Scott Clark’s Toyota on Independence Boulevard. They certainly went out of there way to satisfy me, considering how extremely impatient I was.
My Check engine diagnostic - Replace Catalytic Converter
I have 140K miles on my 2001 Prius. Check engine light came on and I thought the worse, the Hyrid battery pack. Turns out dealer says the Catalytic Converter will cost $2,500.
I did replace the main computer a few years back (under warranty). Between this, and other warranty replacements along with 4 windsheilds replaced and 5set of tires (I followed all the rules with the tires), I will not buy another Hybrid unless I can be guarenteed the replacement cost for major items is much more reasonable.
I am all for the electric
I am all for the electric car, however hybrids are not the answer to our future cars, nor is Hydrogen. An Engineer in San Diego.