OBD Guide

C1819

Air Suspension RR Air Compress Request Exceeded Max Timing

C1819 is an OBD-II diagnostic trouble code meaning: Air Suspension RR Air Compress Request Exceeded Max Timing. Common causes: air leak in air suspension, compressor wear or malfunction. Estimated repair cost: $111–556.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$111–556 (est.)

Symptoms

  • Uneven body height
  • Long compressor operation when adjusting suspension
  • The suspension fault light comes on

Causes

  • Air leak in air suspension
  • Compressor wear or malfunction
  • Clogged compressor air filter
  • Problems with the compressor wiring harness or connectors
  • Malfunction of the air suspension control unit

How to Fix

  1. Check the system for air leaks
  2. Check the condition of the compressor and its performance
  3. Replace the compressor air filter if necessary
  4. Check compressor wiring harness and connectors
  5. If necessary, replace the compressor or control unit

Related codes

FAQ

What does the C1819 code mean?

C1819 is an OBD-II diagnostic trouble code that indicates: Air Suspension RR Air Compress Request Exceeded Max Timing

What causes a C1819 error code?

The most common causes of C1819 include: Air leak in air suspension; Compressor wear or malfunction; Clogged compressor air filter; Problems with the compressor wiring harness or connectors.

How do I fix a C1819 diagnostic trouble code?

To fix C1819: Check the system for air leaks. Check the condition of the compressor and its performance. Replace the compressor air filter if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1819?

Limited driving only, diagnose soon

How much does it cost to fix C1819?

The estimated repair cost for C1819 is $111–556. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat