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2007 TCH "Check Hybrid System" HV Battery code P0A7F?
So yesterday I'm sitting in my 2007 TCH in the parking lot at work and 'ding', the "check engine" light comes on with a "Check Hybrid System" message. I immediately dive it to the dealer, it drives a bit sluggish but ok. Today the dealer says it has a code P0A7F. I may have misunderstood as I can't find anything on this code. They tell me it is the Hybrid Battery reporting a couple of cells not holding a charge completely, like 17V and 16.9V, and the Hybrid Battery needs to be replaced ($4,090.02 for the battery and $252 for labor). So much for the price of batteries ever coming down. Earlier this year they replaced the ABS Accumulator, code C1391, and water pump (>$3,000.00) and a few days ago the A/C Evap. Coil (>$2,000.00) followed by the A/C Blower Motor ($185.00, dealer felt sorry for me and paid the labor). The Hybrid Battery is on backorder and is expected in a couple of weeks. They cleared the message and I am able to drive it until the battery comes in.
Since it has 118,000 miles and no warranty I figure I'm toast. Then the service manager contacted Toyota and to their credit and my great relief they agreed to pay for the battery if I pay the installation (YES!).
Almost all of my driving is highway/tollway here in Houston where it gets pretty hot, so maybe that contributed to the problem(s). I'm the original owner and have serviced this car on schedule and only by the dealer where I bought it new. I'm guessing they will want to take a closer look at the battery failure and I'm considering switching to a basic Camry or even Corolla. My budget can't handle more maintenance surprises on this TCH and I need a car that will go 200k+ without breaking the bank on maintenance.