"Normal Height Only" Fault after Removing Johnson Lift Rods??
#1
"Normal Height Only" Fault after Removing Johnson Lift Rods??
My rig came with the Johnson lift rids, but I have Gap IID and drive in the city when I'm not on trail so I recently swapped them back the original sensor arms.
Now though, I am getting the Normal Height Only suspension fault. I've cleared the codes (they come back within 5 min of every start up), reset to default/stock ride height with Gap tool and the car rides fine.
I do also have a slow front valve block leak/driver side eas leak (working on replacing valve seals and hunting down the culprit if it's the actual suspension) but it's not lowering any worse than it was before overnight and it never threw a fault code before either - the code only popped up after fully deflating the EAS and changing out the lift rods.
This is the suspension fault I get:
Now though, I am getting the Normal Height Only suspension fault. I've cleared the codes (they come back within 5 min of every start up), reset to default/stock ride height with Gap tool and the car rides fine.
I do also have a slow front valve block leak/driver side eas leak (working on replacing valve seals and hunting down the culprit if it's the actual suspension) but it's not lowering any worse than it was before overnight and it never threw a fault code before either - the code only popped up after fully deflating the EAS and changing out the lift rods.
This is the suspension fault I get:
C1A20-64 (2E) Pressure increases too slow when filling reservoir - Algorithm based failure - signal plausibility failure.
Thoughts?
#2
Probably a coincidence since removing the rods would not change anything as far as EAS is concerned. The sensor arms will still position themselves in the same spot for each ride height selected. The code you are getting is implying a leak in the gallery or underperforming compressor. Check for leaks in other places. If a Hitachi compressor check the dryer end cap - black round thing, two air line - on the compressor. They crack between the two lines which causes a good leak.
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KH406 (11-26-2023)
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