Test Procedure (Manual Test)
- With Code 12 or 13 still displayed, open all doors and turn steering wheel 1/4 turn in both directions. To pass test, control module must detect doors have been opened and steering wheel has been turned 1/4 turn in both directions.
- Release tester button to HOLD position. Wait 5 seconds then depress tester button to TEST position. Codes will be displayed within 20 seconds. If Code 11 is displayed, vehicle passes. Exit diagnostics by disconnecting tester and turning ignition switch off. If any other code is displayed, refer to ELECTRONIC SUSPENSION DIAGNOSTIC CODES table for proper test. DO NOT disconnect tester. DO NOT turn ignition or air suspension switch off.
ELECTRONIC SUSPENSION DIAGNOSTIC CODES
| Code | Test | Description | Priority |
|---|---|---|---|
| 10 | - | Diagnostics Entered | - |
| 11 | - | System Checked Okay | - |
| 12 | - | No Faults Detected. Perform Manual Input | - |
| 13 | - | Faults Detected, Perform Manual Input | - |
| 16 | - | EVO Error Code | - |
| 17 | - | EVO Error Code | - |
| 18 | - | EVO Error Code | - |
| 23 | - | Rear Vent | - |
| 26 | - | Rear Compress | - |
| 31 | - | Air Compressor Toggle | - |
| 32 | - | Vent Solenoid Toggle | - |
| 33 | - | Spring Solenoid Toggle | - |
| 39 | A | Compressor Relay Circuit Shorted | 2nd |
| 42 | B | Air Spring Solenoid Shorted Or Blown Fuse | 2nd |
| 43 | C | Air Spring Solenoid Shorted | 2nd |
| 44 | D | Vent Solenoid Shorted | 2nd |
| 45 | E | Air Compressor Relay Shorted Or Vent Solenoid Shorted | 2nd |
| 46 | F | Height Sensor Shorted | 2nd |
| 51 | G | No Rear Lowering Detected | 3rd |
| 54 | H | No Rear Raising Detected | 3rd |
| 68 | J | Height Sensor Output Short | 2nd |
| 70 | - | Replace Module | - |
| 71 | K | Height Sensor Open | 3rd |
| 72 | L | Door Position Signal Not Detected | 4th |
| 74 | - | EVO Error Code | - |
| 80 | M | Battery Voltage Too Low To Run Diagnostics | 1st |
| . | N | Unable To Enter Service Bay Diagnostics | - |