Replaced Hybrid Battery - Won't Start

marksongs · Jun 10, 2022

Does anyone have a picture of how that aluminum strip is supposed to be placed over the 2 orange cables as they connect from the vehicle to the hybrid battery terminals? That would be very helpful to me!

Thanks in advance!

Longinus876 · Jun 14, 2023

dolj said: ↑

Any time you have disconnected the 12 V battery, the first time you attempt to start the car (foot on the brake press Power button once) after reconnecting the 12 V battery, it will light up the dash as if you pressed the Power button twice with your foot off the brake. You need to press the Power button a second time (with your foot still on the brake) to get the car to go READY.

C1241 means that at the point the code was set voltage was sensed low inside the skid control ECU. It does not necessarily mean the battery is too low as indicated by that 'one person.' 12.2 V while is low, it should not have a material effect on what is going on. It wouldn't hurt to monitor the voltage when you start the car, and as long as it remains above 10.5 V it is not going to cause a problem in and of itself. However, if the voltage is dropping low, (less than 11.5 V) you might be needing a new battery. They don't do well when deeply discharged.
C1259 can mean that the orange service plug grip is not actually connected. Although you said you 'pulled the lever up, and slid it down into place', did it actually click when you pressed it firmly down?
C1310 is a feedback code set by the VSC/TRAC system to acknowledge that it heard there was a problem in the hybrid vehicle control system.
U0293 means communication between hybrid vehicle control and battery ECU has been lost.

So I'd go check that the orange service plug is indeed firmly connected. That would explain all but the U0293.

BTW, Your posts are moderated until you've posted 5 or more times. We cannot see your posts until they are released by a mod, Go find another few posts and post a comment on each to get up passed 5 posts.
Click to expand...

The advice on the orange safety plug is important. I found that last click this morning after trying for so long to find the problem.

Replaced Hybrid Battery - Won't Start

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Replaced Hybrid Battery - Won't Start

marksongs New Member

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