C0355moderate severityChassis
Load Leveling System Malfunction
on 2010 Cadillac Escalade 6.2L V8 · 4WD
What this code means
Fault in the automatic load-leveling suspension system that maintains ride height under varying loads.
Symptoms
- Rear sagging under load
- Compressor running excessively
- Ride height warning
- Vehicle nose-up attitude when loaded
Common causes
- Air spring leak
- Compressor worn
- Height sensor fault
- Leveling valve stuck on mechanical systems
Diagnostic steps
- Check ride height at all four corners
- Inspect rear air springs for leaks
- Test compressor output
- Check height sensor operation
- Inspect leveling valve on mechanically leveled vehicles
Repair notes
Repair leaks and replace worn components. Adjust leveling sensor linkage if needed.
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Bluetooth code reader (~$25)
Veepeak OBDCheck BLE →
Pairs with your phone — reads and clears codes, live data.
Serious DIY (~$100)
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.
Other Chassis codes on this vehicle
C0021
LF Wheel Speed Sensor Range/Performance
C0021
LF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0022
RF Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0023
LR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0024
RR Wheel Speed Sensor Range/Performance
C0025
LF Wheel Speed Sensor Circuit Intermittent
C0025
LF Wheel Speed Sensor Circuit Intermittent