C1819: Air Suspension RR Air Compress Request Exceeded Max Timing
MediumChassisSuspension
What does C1819 mean?
C1819 is a diagnostic trouble code indicating "Air Suspension RR Air Compress Request Exceeded Max Timing". This code relates to your vehicle's suspension and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.
Symptoms you may notice
- Check engine light (MIL) illuminated on dashboard
- Possible issues with suspension operation
- Vehicle may enter reduced power mode (limp mode)
Estimated repair cost
Typical range in Australia (parts + labour)
$100 – $600 AUD
Common causes
- Faulty suspension component
- Wiring or connector issue in the related circuit
- Failed sensor providing incorrect readings
- Software/calibration issue requiring ECU update
- Related component causing secondary fault
What should you do?
This code sits in the suspension or ride height control. Handling and ride quality can change, especially on air suspension where the car may sag or refuse to raise. Get it diagnosed before loading the car up or towing.
Get a diagnosis for YOUR car
Code C1819 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.