Steered tag axle failure.
â–¶ How to fix
• Check tag axle pressure sensor. • Check wiring (to tag axle pressure sensor). • Check connectors (to tag axle pressure sensor). • Check hydraulics, see workshop manual for details.
What you'll see
No driver-visible symptom recorded.
System reaction
Steering of tag axle will be impaired. Possible hydraulic oil leakage. Display of low pressure warning.
Diagnostic depth
Detection
Loss of pressure in tag axle steering circuit. Possible malfunction in tag axle steering system.
Possible cause
• Defect tag axle pressure sensor • Defect wiring - Open circuit - Short circuit to supply voltage • Defect connectors Hydraulic failure - External leakage - Internal power cylinder leakage - Hydraulic accumulator pressure to low