How bad is it?
Thread Starter
Intermediate
Joined: Jun 2021
Posts: 42
Likes: 9
From: Sw pa
How bad is it?
06 base here. Accidentally shorted my battery/terminals and now the car wont turn over. Has code b1235. Looked around the fuses and none were popped. How can i tell if the ecm is fried? Hp tuners still shows some inputs when trying to start and everything else still works just wont crank over with plenty volts. Car was running fine before this. Where should i start? Thanks fellas
Le Mans Master
Joined: Dec 2004
Posts: 5,493
Likes: 809
From: West coast CA
06 base here. Accidentally shorted my battery/terminals and now the car wont turn over. Has code b1235. Looked around the fuses and none were popped. How can i tell if the ecm is fried? Hp tuners still shows some inputs when trying to start and everything else still works just wont crank over with plenty volts. Car was running fine before this. Where should i start? Thanks fellas
Le Mans Master
Joined: Dec 2004
Posts: 5,493
Likes: 809
From: West coast CA
The positive cable contacted the positive terminal and made a little spark? It shouldn't have smoked your electrical system. Make sure your terminals are snug. What was going on that required disconnecting the battery?
Thread Starter
Intermediate
Joined: Jun 2021
Posts: 42
Likes: 9
From: Sw pa
i was hard wiring in the trickle charger to the terminals
Racer
Joined: Feb 2021
Posts: 290
Likes: 64
From: Lyon, France
2025 C6 of the Year Finalist - Modified
Without any blaming (i did so worse...). This case explains the reason why "Black (ground/negative) first off and red (positive) first on"
Last edited by Blackship; Feb 6, 2022 at 03:17 AM.
Le Mans Master
Joined: Dec 2004
Posts: 5,493
Likes: 809
From: West coast CA
Black off first and on last. You want the negative terminal disconnected before you put a metal wrench on the positive terminal. This prevents the wrench completing a circuit if it contacts the chassis. On a negative-grounded car of course.
Racer
Joined: Feb 2021
Posts: 290
Likes: 64
From: Lyon, France
2025 C6 of the Year Finalist - Modified
Great thank's for immédiat slip correction !
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Racer
Joined: Feb 2021
Posts: 290
Likes: 64
From: Lyon, France
2025 C6 of the Year Finalist - Modified