DFFX fault codes
5,361 codes · 6 vehicle records · 0 ECU records · 0 live-data parameters
Codes 5,361
| Code | Description | Brands | System |
|---|---|---|---|
| P2850 | Shift fork 'D' unrequested movement | 18 | Powertrain |
| P2851 | Shift fork position sensor 'A'/'B' correlation | 18 | Powertrain |
| P2852 | Shift fork position sensor 'C'/'D' correlation | 18 | Powertrain |
| P2853 | Clutch 'A' pressure discharge performance | 19 | Powertrain |
| P2854 | Clutch 'B' pressure discharge performance | 18 | Powertrain |
| P2855 | Clutch 'A' pressure charge performance | 19 | Powertrain |
| P2856 | Clutch 'B' pressure charge performance | 18 | Powertrain |
| P2857 | Clutch 'A' Pressure Engagement Performance | 22 | Powertrain |
| P2858 | Clutch 'B' Pressure Engagement Performance | 22 | Powertrain |
| P2859 | Clutch 'A' Pressure Disengagement Performance | 21 | Powertrain |
| P285A | Clutch 'B' Pressure Disengagement Performance | 21 | Powertrain |
| P2A00 | The upstream oxygen sensor enters the working voltage too slowly/the upstream oxygen sensor exits the ready state | 36 | Powertrain |
| P2A01 | Front oxygen sensor deceleration fuel cut-off response too slow | 32 | Powertrain |
| P2A02 | O2 Sensor Circuit Range/Performance Bank 1 Sensor 3 | 22 | Powertrain |
| P2A03 | O2 Sensor Circuit Range/Performance Bank 2 Sensor 1 | 27 | Powertrain |
| P2A04 | O2 Sensor Circuit Range/Performance Bank 2 Sensor 2 | 28 | Powertrain |
| P2A05 | O2 Sensor Circuit Range/Performance Bank 2 Sensor 3 | 20 | Powertrain |
| P2A06 | O2 Sensor Negative Voltage Bank 1 Sensor 1 | 22 | Powertrain |
| P2A07 | O2 Sensor Negative Voltage Bank 1 Sensor 2 | 20 | Powertrain |
| P2A08 | O2 Sensor Negative Voltage Bank 1 Sensor 3 | 19 | Powertrain |
| P2A09 | O2 Sensor Negative Voltage Bank 2 Sensor 1 | 19 | Powertrain |
| P2A10 | O2 Sensor Negative Voltage Bank 2 Sensor 2 | 19 | Powertrain |
| P2A11 | O2 Sensor Negative Voltage Bank 2 Sensor 3 | 19 | Powertrain |
| P2B7C | EVAP system pressure sensor/switch 'C' circuit low | 6 | Powertrain |
| P2B7D | EVAP system pressure sensor/switch 'C' circuit high | 6 | Powertrain |
| P2B7E | EVAP system pressure sensor/switch 'C' circuit intermittent | 5 | 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 |
| P3046 | Starter relay 1: electr. malfunction in circuit (relay stuck / Does not switch); Defective | 22 | Powertrain |
| P3050 | Starter relay 2: electr. malfunction in circuit (relay stuck / Does not switch); Implausible signal | 23 | Powertrain |
| P3052 | Idle speed control catalyst heating deviation high | 25 | Powertrain |
| P3054 | Starter will not turn: jammed or electrical malfunction | 24 | Powertrain |
| P3055 | DC/DC converter output voltage 1 performance | 20 | Powertrain |
| P3056 | DC/DC converter output voltage 2 performance | 20 | Powertrain |
| P3088 | Starter relay electrical fault | 19 | Powertrain |
| P3105 | Intake air pressure sensor signal stuck at engine start | 20 | Powertrain |
| P3261 | Module high temperature [33] | 17 | Powertrain |
| P3262 | Module high temperature [34] | 16 | Powertrain |
| P3264 | Pre-CAT Bank 3: Efficiency Below Threshold | 11 | Powertrain |
| P3265 | Pre-CAT Bank 4: Efficiency Below Threshold | 11 | Powertrain |
| P3267 | Module high temperature [39] | 13 | Powertrain |
| P3268 | Module high temperature [40] | 12 | Powertrain |
| P3270 | Linear oxygen sensor B2 S1: Pump Current Wire: Short to Plus | 12 | Powertrain |
| P3271 | Module high temperature [49] | 12 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.