HELP Battery draining 2017 SS

v8 enthusiast · 02-04-2021, 04:20 PM

Hi everyone!
Last Sunday I got a CEL on in my 17 SS with only 10k miles.
Car was starting kind of heavy on Saturday but got OK on Sunday.
Went to dealership the next day and put on a new battery.
After that, they checked and found some codes claiming that Body Module Control and some other modules were not OK and also the front fuse box. It said high voltage on those modules.
The new battery drained off early the next day.
I've heard abt some other SS with similar electronic issues.
Car presents no failure in perfomance though.
The mechanic intends to ask for a new front fuse box to start with.

Has anyone experienced that too?
I am about to lose confidence in the car which I like the most.
Very disappointed...!
Thank for your support.
Adelmar

MackSteelPrivateEye · 02-04-2021, 04:40 PM

See recent post for adding additional 4 Gauge Ground cable.

v8 enthusiast · 02-04-2021, 06:51 PM

They found codes P2534 P2535

MackSteelPrivateEye · 02-05-2021, 12:38 AM

Quote:

Originally Posted by v8 enthusiast

They found codes P2534 P2535

A P2534 trouble code indicates that the PCM has detected a problem in the ignition switch run position circuit

P2535 is a diagnostic trouble code (DTC) for "Ignition Switch Run/Start Position Circuit High"

Looks like bad ignition switch.

ctrlz · 02-05-2021, 10:25 AM

Quote:

Originally Posted by MackSteelPrivateEye

Looks like bad ignition switch.

My first thought, too...
But this thread indicates the actual trouble may be rooted in the TCM.
https://www.duramaxforum.com/threads...m-help.149678/

The fuse box swap... sounds like a reach.

Racerman27410 · 02-05-2021, 10:37 AM

Its not unusual to get random voltage codes after a battery swap.

I've seen those exact codes after disconnecting my battery for various reasons.

ctrlz · 02-05-2021, 10:43 AM

Quote:

Originally Posted by Racerman27410

Its not unusual to get random voltage codes after a battery swap.

But... battery drain on top of the codes.

02-04-2021, 04:20 PM	#1
v8 enthusiast Drives: Camaro 2SS 2017 Join Date: Dec 2018 Location: - State -Brazil Posts: 19	HELP Battery draining 2017 SS Hi everyone! Last Sunday I got a CEL on in my 17 SS with only 10k miles. Car was starting kind of heavy on Saturday but got OK on Sunday. Went to dealership the next day and put on a new battery. After that, they checked and found some codes claiming that Body Module Control and some other modules were not OK and also the front fuse box. It said high voltage on those modules. The new battery drained off early the next day. I've heard abt some other SS with similar electronic issues. Car presents no failure in perfomance though. The mechanic intends to ask for a new front fuse box to start with. Has anyone experienced that too? I am about to lose confidence in the car which I like the most. Very disappointed...! Thank for your support. Adelmar

02-04-2021, 04:40 PM	#2
MackSteelPrivateEye Banned Drives: 6 on the Flo' Super Sport Join Date: Jan 2011 Location: md Posts: 1,925	See recent post for adding additional 4 Gauge Ground cable.

02-04-2021, 06:51 PM	#3
v8 enthusiast Drives: Camaro 2SS 2017 Join Date: Dec 2018 Location: - State -Brazil Posts: 19	They found codes P2534 P2535

02-05-2021, 10:37 AM	#6
Racerman27410 Drives: 2016 SS 2SS Join Date: Dec 2016 Location: Greensboro NC Posts: 268	Its not unusual to get random voltage codes after a battery swap. I've seen those exact codes after disconnecting my battery for various reasons.

User Name		Remember Me?
Password