Symptom | Possible message | Other possible warnings | Possible reasons | Action |
Vehicle suspension reaches dynamic sag limiters | Suspension failure | Two regularly repeated beeps, the red indicator is constantly on | Visually inspect the wiring harness and electrical connectors for leaks. Visually inspect the system for air leaks. Check system dir and calibration using an approved diagnostic system. Check for unusual signs of a malfunction in the linkage system of the split sway bars, such as malfunction of the height sensor or air spring deflation linkage, insufficient tire pressure, etc. Be aware that uncommon symptoms of a split sway bar linkage failure may be caused by a lack of height sensor calibration Check for height sensor DTCs and refer to the DTC Index. If a module is suspected, refer to the warranty policy and procedures manual. | |
Vehicle not level | Suspension failure | Two regularly repeated beeps, the red indicator is constantly on | Visually inspect the wiring harness electrical connectors for water ingress. Visually inspect the system for air leaks and refer to the guided diagnostic program on the approved diagnostic system. Check system calibration using an approved diagnostic system. For front and rear cross member valve checks, refer to the guided diagnostic program on the approved diagnostic system. Check for height sensor DTCs and refer to the DTC Index. For reservoir and exhaust valve checks, refer to the guided diagnostic program on the approved diagnostic system. Check for valve angle DTCs and refer to the DTC Index. If a module is suspected, refer to the warranty policy and procedures manual. | |
Vehicle ground clearance is too low | Visually inspect the wiring harness and electrical connectors for leaks. Visually inspect the system for air leaks. Refer to the guided diagnostic program on the approved diagnostic system to test the air compressor temperature sensor, air filter, exhaust valve, and air compressor. For lost communication between the air suspension control module and the ABS module, refer to the wording of the communication lost codes at the end of this table. Check for ABS DTCs, refer to the appropriate section in the workshop manual If a module is suspected, refer to the warranty policy and procedures manual. | |||
Vehicle ground clearance is too high | Suspension failure | Two beeps, yellow indicator is constantly on | Refer to the guided diagnostic program on the approved diagnostic system for reservoir valve and exhaust valve checks. Check for valve angle DTCs and refer to the DTC Index. If a module is suspected, refer to the warranty policy and procedures manual. | |
System unreasonably registers extended mode when lowered | - | - | Refer to the guided diagnostic program on the approved diagnostic system. | |
Vehicle tilt after leaving overnight or for several days | - | - | Refer to the guided diagnostic program on the approved diagnostic system. | |
After leaving the vehicle overnight or for several days, the system regularly indicates "Suspension vehicle raising slowly" (Vehicle suspension rises slowly) | Vehicle suspension rises slowly | - | Refer to the guided diagnostic program on the approved diagnostic system. |
Table of fault signs (Discovery 3)
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Previous articles
Dynamic suspension specification
Location of Dynamic Suspension Components
Pneumatic scheme
Air suspension operating modes
Special air suspension modes
Air suspension control unit
Air suspension diagnostics
Air suspension switch
Valve blocks front and rear axles
Receiver valve block
Compressor block
Airbox receiver
Height sensors
Silencer and air intake filter
Air highway
Air suspension control scheme
Inspection and verification
Location of Dynamic Suspension Components
Pneumatic scheme
Air suspension operating modes
Special air suspension modes
Air suspension control unit
Air suspension diagnostics
Air suspension switch
Valve blocks front and rear axles
Receiver valve block
Compressor block
Airbox receiver
Height sensors
Silencer and air intake filter
Air highway
Air suspension control scheme
Inspection and verification
Current article
Table of fault signs
Next articles
DTC Fault Code Index
Exit air purge program
Releasing and raising pressure in the air suspension system
Air leaks
Ride height adjustment
Air suspension cylinder
Block of solenoid valves of air suspension tank
Rear air suspension solenoid valve block
Front air suspension solenoid valve block
Air suspension air filter
Air suspension silencer
Suspension height sensor
Air suspension pressure sensor
Rear shock absorber with air spring
Rear air shock absorber
Air suspension compressor
Air suspension control module
Air Suspension Compressor Dryer
Front shock absorber with air spring
Front air shock absorber
Exit air purge program
Releasing and raising pressure in the air suspension system
Air leaks
Ride height adjustment
Air suspension cylinder
Block of solenoid valves of air suspension tank
Rear air suspension solenoid valve block
Front air suspension solenoid valve block
Air suspension air filter
Air suspension silencer
Suspension height sensor
Air suspension pressure sensor
Rear shock absorber with air spring
Rear air shock absorber
Air suspension compressor
Air suspension control module
Air Suspension Compressor Dryer
Front shock absorber with air spring
Front air shock absorber
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