32 90... Troubleshooting on electric steering gear (EPS)

WARNING: This page is about a different variant/trim than selected.

Read fault memory.

TROUBLESHOOTING CHART

Fault	Cause	Remedy
Failure of power-assisted steering / clear reduction of power-assisted steering when stationary	Contacts corroded	NOTE: Check insulation of connecting cable for damage, replace part if necessary Replace contacts and plug housing Clean contacts on steering gear, replace steering gear if necessary
	2. Insulation of connecting cable damaged	Check insulation of connecting cable for damage, replace part if necessary
	Replace components as necessary
Excessive steering wheel play/steering wheel shake	Screw connection, steering spindle to steering gear, loose	Replace screw and tighten down (refer to REMOVING AND INSTALLING STEERING COLUMN )
	Journal of tie rod end deformed	Replace steering gear and tie rod ends
	Tie rod end worn	Check steering gear rack; if necessary, replace steering gear
		Check tie rods , replace if necessary
		Replace tie rod end
	Steering gear rack damaged	Replace steering gear
	Replace components as necessary.
Steering wheel inclination	Tie rod end worn	Replace tie rod end
	Front axle alignment incorrectly adjusted	Carry out chassis/wheel alignment check , adjust toe/track if necessary
	Replace components as necessary.
Interference noise when steering through (under load)	Worm gear pair or bearing positions damaged	Replace steering gear

NOTE: In a warranty case you must always provide a fault memory printout, even where there is no fault memory entry, with the defective part.