Possible
Causes for High and/or Low Fluid Pressure
Transmission Installed
· Emergency program activated?
· Check transmission fluid level
· Check engine load signal from engine control unit using TECH 1
(F0:Data List no. 03)
· Check all electrical plug connections, wiring harness connections
and wiring harness Druckregler auf routings to the pressure regulator for
interruptions or loose contacts
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Transmission Installed
 Main housing fluid pan removed
 · Check for
blocked, detached or damaged transmission fluid filter
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Transmission Installed
Main housing fluid pan removed
· Check for
jammed pressure regulator solenoid valve (1) (remove and shake - must move
audibly in solenoid valve).
· Check for jammed pressure regulator valve in
manifold valve body
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Transmission Removed
· Check for loose
fastening bolts
· Use new gaskets for transmission housing/
converter housing and converter housing/fluid pump.
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Fluid Pump - Transmission Removed
· Check for jammed pressure regulator valve (1)
· Check for defective/ damaged fluid pump gears
(2/3) and fluid pump intermediate plate.
· Check manifold valve body for missing balls or
defective gasket
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