2007 Camry Hybrid Battery Problem or Electrical Issues?

Asked by Jun 27, 2016 at 05:03 PM about the 2007 Toyota Camry Hybrid

Question type: Maintenance & Repair

I have a 2007 Toyota Camry Hybrid with approximately 134K miles.  The
"Check Hybrid System" comes on along with "Check VSC system".  The
VSC system always comes on a second or two after the check hybrid system
turns on.  Lately, I have been getting anywhere between 32 and 34 MPG
with my car.  I drive approximately 1000 miles a week.  The light usually
turns on immediately after I start the car and while I'm backing up.  They
came on several times before and I usually go to the 12 volt battery in the
trunk and disconnect it to reset the whole system.  Then everything runs
smooth again for about a week.  The hybrid battery charges up to about 90%
or level 7.  For some reason, I never see it up to level 8 which is the highest.  
Do you think the hybrid battery needs replacement or the car has an
electrical problem.?  I live in FL and it's really hot nowadays.

5 Answers

810

Sounds like you need to have the computers on this vehicle scanned with the appropriate SCAN TOOL. I suspect a wheel speed sensor failure. There are some Auto Parts Stores which provide scan services for free. Is there an "AUTO Zone" in your area?

1 out of 1 people think this is helpful.

Thank you Tony for your insight. Yes I do have Advanced Auto Parts and AutoZone nearby to have it scanned. Also, I had it read at Toyota Dealership a while back and they told me I needed to replace my whole Hybrid Battery pack. I can never trust these guys which is why I am seeking others opinion on this.

810

Understand your concern about Toyota .....unfortunately the diagnosis of your Battery Pack requires the detailed data stream a Factory Scan Tool provides. Did Toyota write on the repair order the ID of the codes they found which led them to their diagnosis? They should have. The ID of the codes being set when that warning light comes on is key. Make some phone calls to various INDEPENDANT garages. Some...do invest in a Factory Scan Tool. They usually charge about $100.00 for a Scan diagnosis vs...What was the estimate for a Battery Pack from Toyota?

I actually never thought to look for a code that led Toyota to this conclusion. However, I pulled my receipt and there is no code shown. See attached photo. The battery pack is estimated at $4,920.00 before labor.

810

IMO...I would want a second opinion including the rational...eg..trouble codes stored in the computer....and the labor charge. Toyota used to claim these batteries would last 100,000 miles or 10 years. Since you are over this mileage....It might be interesting to do some shopping around for a "good used" battery pack. There should be some wrecked hybrids in the junk yards. Keep in mind there is a huge safety issue associated with this battery replacement. High Voltage stored in this battery could kill.

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