C1814 — Air Suspension RR Vent Request Exceeded Max Timing

What Does C1814 Mean?

C1814 is a manufacturer-specific diagnostic trouble code: Air Suspension RR Vent Request Exceeded Max Timing. This code applies to OTHER vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of C1814

⚠️ Warning light on
⚠️ ABS or stability control issues

Frequently Asked Questions

What does C1814 mean?

Air Suspension RR Vent Request Exceeded Max Timing. This is a manufacturer-specific code for OTHER vehicles.

Which vehicles get code C1814?

This code appears primarily in OTHER vehicles. Check your owner's manual or a dealer for model-specific information.

Can I fix this myself?

Manufacturer-specific codes often require a brand-specific diagnostic scanner for full data. A dealer or specialist with the right tools will diagnose it most accurately.

What To Do Next

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

C1800 Air Suspension Reservoir Solenoid Circuit Failure C1805 Mismatched PCM and/or ABS-TC Module C1813 Air Suspension LR Vent Request Exceeded Max Timing C1818 Air Suspension LR Air Compress Request Exceeded Max Timing C1819 Air Suspension RR Air Compress Request Exceeded Max Timing C1820 Air Suspension RF Air Compress Request Exceeded Max Timing C1830 Air Suspension Compressor Relay Circuit Failure C1831 Air Suspension Compressor Relay Circuit Open C1832 Air Suspension Compressor Relay Circuit Short To Battery C1833 Air Suspension Compressor Relay Circuit Short To Ground