Hafei fault codes
5,198 codes · 12 vehicle records · 0 ECU records · 0 live-data parameters
Codes 5,198
| Code | Description | Brands | System |
|---|---|---|---|
| P2A10 | O2 Sensor Negative Voltage Bank 2 Sensor 2 | 19 | Powertrain |
| P2A11 | O2 Sensor Negative Voltage Bank 2 Sensor 3 | 19 | Powertrain |
| P2BA7 | NOx exceedance - empty reagent tank | 26 | Powertrain |
| P2BA8 | NOx exceedance - interruption of reagent dosing activity | 22 | Powertrain |
| P2BA9 | NOx exceedance - insufficient reagent quality | 27 | Powertrain |
| P2BAA | NOx exceedance - low reagent consumption | 22 | Powertrain |
| P2BAB | NOx exceedance - incorrect EGR flow | 19 | Powertrain |
| P2BAC | NOx exceedance - deactivation of EGR | 18 | Powertrain |
| P2BAD | NOx exceedance - root cause unknown | 22 | Powertrain |
| P2BAE | NOx exceedance - NOx control monitoring system | 20 | Powertrain |
| P3400 | Cylinder Deactivation System (Bank 1) | 26 | Powertrain |
| P3401 | Cylinder 1 Deactivation/Intake Valve Control Circuit/Open | 25 | Powertrain |
| P3402 | Cylinder 1 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3403 | Cylinder 1 Deactivation/Intake Valve Control Circuit Low | 26 | Powertrain |
| P3404 | Cylinder 1 Deactivation/Intake Valve Control Circuit High | 26 | Powertrain |
| P3405 | Cylinder 1 Exhaust Valve Control Circuit/Open | 22 | Powertrain |
| P3406 | Cylinder 1 Exhaust Valve Control Circuit Performance | 24 | Powertrain |
| P3407 | Cylinder 1 Exhaust Valve Control Circuit Low | 21 | Powertrain |
| P3408 | Cylinder 1 Exhaust Valve Control Circuit High | 23 | Powertrain |
| P3409 | Cylinder 2 Deactivation/Intake Valve Control Circuit/Open | 23 | Powertrain |
| P3410 | Cylinder 2 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3411 | Cylinder 2 Deactivation/Intake Valve Control Circuit Low | 25 | Powertrain |
| P3412 | Cylinder 2 Deactivation/Intake Valve Control Circuit High | 25 | Powertrain |
| P3413 | Cylinder 2 Exhaust Valve Control Circuit/Open | 22 | Powertrain |
| P3414 | Cylinder 2 Exhaust Valve Control Circuit Performance | 22 | Powertrain |
| P3415 | Cylinder 2 Exhaust Valve Control Circuit Low | 22 | Powertrain |
| P3416 | Cylinder 2 Exhaust Valve Control Circuit High | 22 | Powertrain |
| P3417 | Cylinder 3 Deactivation/Intake Valve Control Circuit/Open | 24 | Powertrain |
| P3418 | Cylinder 3 Deactivation/Intake Valve Control Circuit Performance | 23 | Powertrain |
| P3419 | Cylinder 3 Deactivation/Intake Valve Control Circuit Low | 24 | Powertrain |
| P3420 | Cylinder 3 Deactivation/Intake Valve Control Circuit High | 24 | Powertrain |
| P3421 | Cylinder 3 Exhaust Valve Control Circuit/Open | 24 | Powertrain |
| P3422 | Cylinder 3 Exhaust Valve Control Circuit Performance | 25 | Powertrain |
| P3423 | Cylinder 3 Exhaust Valve Control Circuit Low | 23 | Powertrain |
| P3424 | Cylinder 3 Exhaust Valve Control Circuit High | 22 | Powertrain |
| P3425 | Cylinder 4 Deactivation/Intake Valve Control Circuit/Open | 27 | Powertrain |
| P3426 | Cylinder 4 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3427 | Cylinder 4 Deactivation/Intake Valve Control Circuit Low | 24 | Powertrain |
| P3428 | Cylinder 4 Deactivation/Intake Valve Control Circuit High | 24 | Powertrain |
| P3429 | Cylinder 4 Exhaust Valve Control Circuit/Open | 24 | Powertrain |
| P3430 | Cylinder 4 Exhaust Valve Control Circuit Performance | 24 | Powertrain |
| P3431 | Cylinder 4 Exhaust Valve Control Circuit Low | 24 | Powertrain |
| P3432 | Cylinder 4 Exhaust Valve Control Circuit High | 24 | Powertrain |
| P3433 | Cylinder 5 Deactivation/Intake Valve Control Circuit/Open | 24 | Powertrain |
| P3434 | Cylinder 5 Deactivation/Intake Valve Control Circuit Performance | 22 | Powertrain |
| P3435 | Cylinder 5 Deactivation/Intake Valve Control Circuit Low | 24 | Powertrain |
| P3436 | Cylinder 5 Deactivation/Intake Valve Control Circuit High | 24 | Powertrain |
| P3437 | Cylinder 5 Exhaust Valve Control Circuit/Open | 22 | Powertrain |
| P3438 | Cylinder 5 Exhaust Valve Control Circuit Performance | 22 | Powertrain |
| P3439 | Cylinder 5 Exhaust Valve Control Circuit Low | 22 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.