Obd port issues

G

Gtstorey

Goblin Guru
Power Steering module is built into the electric power steering motor assembly.

Have you run through the tests that Ross linked in post #4? Especially checking for 60ohms?
 
P

PHENDERSON

Well-Known Member
I'll try that next. I'm guessing I have the dreaded gmlan wire issues. Does someone have a gmlan for dummies diagram (preferably in crayon :) )showing how these green wires run around the vehicle for an lsj? I have the cobalt shop manuals but the electrical diagrams make my head hurt.
 
A

ah.b.normal

Goblin Guru
PHENDERSON said:
I'll try that next. I'm guessing I have the dreaded gmlan wire issues. Does someone have a gmlan for dummies diagram (preferably in crayon :) )showing how these green wires run around the vehicle for an lsj? I have the cobalt shop manuals but the electrical diagrams make my head hurt.
Click to expand...
Crayon always makes tech seem more down to earth and accessible! ;)
 
Ross

Ross

Goblin Guru
The GM high speed LAN sends data from the engine PCM, thru the power steering, to the BCM. The BCM takes that data and sends it on the low speed LAN to the instrument cluster. If there is a break anywhere, then data won't flow. Power steering is just one possibility.
 
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