P0400 OBD Trouble Code
1 result found
| Type | Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled |
|---|---|
| Description | EGR Flow Fault Conditions |
| Cause | Engine running in steady state driving conditions (closed loop), then the PCM detected insufficient EGR flow |
Try also: https://www.obd-codes.com/p0400
