Sponsored

Stop Safely, vehicle will shut off soon...

First Name
Tawnya
Joined
Oct 24, 2023
Threads
1
Messages
6
Reaction score
1
Location
Pennsylvania
Vehicle(s)
2021 Jeep Wrangler JL
So battery light and "stop safely vehicle will shut off soon" error message comes on. It's inconsistent, comes on and off randomly. Dealership said, replace aux battery, done and didn't solve the issue. Replaced can bus star connector, didn't fix it. Replaced the N3 fuse (entire panel), nope. Replaced main battery and aux (2nd time) at the same time, nope didn't work either. Someone said to replace the "power control relay"...Im at a loss. Dealership has no idea and wants to keep charging and charging me without a fix. So much wasted time and money and no "fix". Just waiting to break down while driving...HELP PLEASE.

Codes are:
P2AF5 Starter Relay 3 Stuck On
U012D Lost Communication with Generator "A" Control Module
B1A11-00 RKE fob battery low
Sponsored

 
Last edited:

Terrymo

Well-Known Member
First Name
Terry
Joined
Jun 17, 2022
Threads
48
Messages
10,896
Reaction score
33,611
Location
SoCal
Vehicle(s)
2023 JLURXR 3.6 ET
Clubs
 
Can you list the codes that have been present throughout all these problems? That could help people give better answers. Otherwise you’ll probably just get a lot of speculations,
 

Sponsored

OP
OP
Ultimatechaos_JLU
First Name
Tawnya
Joined
Oct 24, 2023
Threads
1
Messages
6
Reaction score
1
Location
Pennsylvania
Vehicle(s)
2021 Jeep Wrangler JL
Can you list the codes that have been present throughout all these problems? That could help people give better answers. Otherwise you’ll probably just get a lot of speculations,
Yes I can, thank you.
 

58Willys

Well-Known Member
First Name
Geoff
Joined
Jan 2, 2022
Threads
6
Messages
1,167
Reaction score
1,456
Location
Western Washington
Vehicle(s)
2018 JL Sport
Run a voltage drop test, check grounds; eliminate that as an issue. The U code indicates you may have a CANBUS continuity issue somewhere. Get a wiring diagram and methodically check all CANBUS connectors.
 
OP
OP
Ultimatechaos_JLU
First Name
Tawnya
Joined
Oct 24, 2023
Threads
1
Messages
6
Reaction score
1
Location
Pennsylvania
Vehicle(s)
2021 Jeep Wrangler JL
Run a voltage drop test, check grounds; eliminate that as an issue. The U code indicates you may have a CANBUS continuity issue somewhere. Get a wiring diagram and methodically check all CANBUS connectors.
Thank you
 

alphawolff

Well-Known Member
Joined
Jul 31, 2023
Threads
1
Messages
3,413
Reaction score
5,741
Location
california
Vehicle(s)
2021 JLU
Voltage drop test between engine block and negative terminal while cranking the engine. It should not go over 0.5v, and honestly anything above 0.1v is a cause for concern. I've seen quite a few that have had bad block grounds causing this intermittent issue.
 
 







Top