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WCM + Door lock Low Voltage

2K views 3 replies 2 participants last post by  Sandstone 
#1 · (Edited)
Hi folks,

Still chasing electrical issues with my jeep. First issue is the fused B wire from the TIPM to the wcm/skreem module. It’s only being fed 1.2v direct from fuse 17 in the TIPM. I believe this is the reason I’m having ignition issues and remote issues.

Secondly the door locks are only being fed 4v rather than 12v as they are meant to be. This results in none of the central locking working although you can hear the actuators trying to move.

Any suggestions as to where it what the issue could be?

I’ve looked for a pin out diagram from the TIPM but had no luck so far
 
#2 ·
#3 ·
For anyone interested. The fuse 17 feed wire to the wcm was broken. It’s a small red and green wire. It was broken in the front left wheel arch.

It’s symptoms it solved were constant warning chime stating key in ignition when that wasn’t the case. Also the remote locking wouldn’t work.

Cheers
 
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