No start after telemetrics battery change
Thread Starter
|
2nd Gear
Joined: May 2023
Posts: 2
Likes: 0
No start after TCU (telematics) battery change
My 2017 RR L405 had sos limited functionality. The battery was on back order for months. Finally JLR suggested a Jaguar equivalent which seemed to be a good cross over. I replaced the battery and the light never reset from the dash. I went back to check that the battery was plugged in good and ended up unplugging the cable to have better access. After this i ended up replacing the main battery as i received a low battery warning for leaving the car open for a period of time. The battery tested bad and would not hold a charge. Now only the dash and all accessory lights come on. When you place your foot on brake and press start/stop nothing happens except the dash goes black and shows the mileage, date and a P. The shifter does not come up and the car does not start. The actuator for the air intake on the engine moves and then the instrument cluster goes blank. I checked all fuses and can not see an issue. Looking for any suggestions. I assume the configuration might have gotten changed or something. Any help is appreciated.
Last edited by Hotjava69; Jun 5, 2023 at 04:24 PM.
Recovery Vehicle
Joined: Dec 2011
Posts: 1,157
Likes: 463
From: USA
My 2017 RR L405 had sos limited functionality. The battery was on back order for months. Finally JLR suggested a Jaguar equivalent which seemed to be a good cross over. I replaced the battery and the light never reset from the dash. I went back to check that the battery was plugged in good and ended up unplugging the cable to have better access. After this i ended up replacing the main battery as i received a low battery warning for leaving the car open for a period of time. The battery tested bad and would not hold a charge. Now only the dash and all accessory lights come on. When you place your foot on brake and press start/stop nothing happens except the dash goes black and shows the mileage, date and a P. The shifter does not come up and the car does not start. The actuator for the air intake on the engine moves and then the instrument cluster goes blank. I checked all fuses and can not see an issue. Looking for any suggestions. I assume the configuration might have gotten changed or something. Any help is appreciated.
Some newer Land Rovers require the battery to be coded into the vehicle. Check with your dealer.
8th Gear
Joined: May 2013
Posts: 8
Likes: 0
I can't speak for wcc18999, but I can confirm I changed my battery myself. The dealer confirmed the vehicle should start and the system will "learn" the new battery on its own within a few drive cycles. Thank you.
Last edited by Keith SandyEggo; Jul 22, 2024 at 01:24 PM.
8th Gear
Joined: May 2013
Posts: 8
Likes: 0
I had checked all fuses and re-checked the Telematics one just now to be sure. Thank you for the suggestion.
Thread
Thread Starter
Forum
Replies
Last Post