Dash lights remain on & battery going flat

[SLeigh]

Hi all, I have had my 2014 SRT for 4 months now and have got my first issue.

An engine light showed, I garaged the car and the battery was flat the next day. Assuming the engine light was for low battery voltage I installed a new battery. Now the dash cluster lights remain on even when the car is turned off and locked and the battery drains if left connected.

I have been driving the car around with no issues at all, I disconnect the battery each night to prevent it from going flat.

Now I have taken my car to a Jeep dealer who reckons it is a Faulty Transmission Control Module causing the lights to stay on and battery to drain. They said I need to replace this TCM as well as the Transmission Valve Body for $10k.

This seems odd to me because I haven't had any issues with the gears or transmission. This car does have a history of loose wires being repaired under warranty back in 2016.

I'm thinking of taking the jeep to an auto electrician to see if they have any ideas.

[TR Laredo]

If you're located in Melbourne have a talk to these guys:

http://allgrandcherokee.com.au/

If they can't fix it it aint broke

Cheers

[SouthernComfort]

Originally Posted by TR Laredo

If you're located in Melbourne have a talk to these guys:

http://allgrandcherokee.com.au/

If they can't fix it it aint broke

Cheers

Spot on. And for heavens sake, don't let the dealer at it...

[drover]

Double ditto to all of the above .............. change the valve body be buggered, if that was a problem you wouldn't get it out of the shed........ stay away from dealers and have a good wander around this site, lots of info, good reliable info and links.....

Certainly a sparky who has played with these things is a good start, I wonder what the problems where and if its possibly what I think it is, the relay BS fix.

[OLMATE]

Its like there is a dead short somewhere, has there been any aftermarket elec accessories fitted such as a Hard Wired Dash Cam, has it got a trailer plug fitted thats been mangled due to being in contact with the ground, but for god sake DONT let the dealer have it, Listen to the boys above as a few have been stung by Dealers Gross Lack of problem solving abilities

[Treebreakerbob]

What gearbox does your srt have, the ZF 8 speed?

If your dash lights are on all the time then any auto electrical man should be able to trace where the fault is

[SLeigh]

Thanks so much for the replies everyone!

There's no aftermarket accessories on the car that I know of and I haven't fitted any.

I'm pretty sure it is the 8-Speed ZF 8HP70 Transmission.

I will definitely take your advice and go to an auto electrician. I'm located in Brisbane if you have recommendations but I'll have a search through the forum and see what I can find.