DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| P0AA2 | Battery management system (BMS) voltage signal is invalid | 26 | Powertrain |
| P0AA3 | Hybrid Battery Negative Contactor Circuit | 24 | Powertrain |
| P0AA4 | Hybrid/EV Battery Negative Contactor Circuit Stuck Closed | 31 | Powertrain |
| P0AA5 | Hybrid Battery Negative Contactor Circuit Stuck Open | 25 | Powertrain |
| P0AA6 | Hybrid/Electric Vehicle Battery Voltage Shrinkage | 32 | Powertrain |
| P0AA7 | Cell voltage sensor fault | 32 | Powertrain |
| P0AA8 | Hybrid Battery Voltage Isolation Sensor Circuit Range/Performance | 25 | Powertrain |
| P0AA9 | Hybrid/EV Battery Voltage Isolation Sensor Circuit Low | 26 | Powertrain |
| P0AAA | Hybrid/EV Battery Voltage Isolation Sensor Circuit High | 26 | Powertrain |
| P0AAB | Hybrid Battery Voltage Isolation Sensor Circuit Intermittent/Erratic | 22 | Powertrain |
| P0AAC | Hybrid Battery Pack Air Temperature Sensor A Circuit | 21 | Powertrain |
| P0AAD | Hybrid Battery Pack Air Temperature Sensor A Circuit Range/Performance | 25 | Powertrain |
| P0AAE | Hybrid Battery Pack Air Temperature Sensor A Circuit Low | 27 | Powertrain |
| P0AAF | Hybrid Battery Pack Air Temperature Sensor A Circuit High | 27 | Powertrain |
| P0AB0 | Hybrid Battery Pack Air Temperature Sensor A Circuit Intermittent/Erratic | 22 | Powertrain |
| P0AB1 | Hybrid Battery Pack Air Temperature Sensor B Circuit | 20 | Powertrain |
| P0AB2 | Hybrid Battery Pack Air Temperature Sensor B Circuit Range/Performance | 22 | Powertrain |
| P0AB3 | Hybrid Battery Pack Air Temperature Sensor B Circuit Low | 23 | Powertrain |
| P0AB4 | Hybrid Battery Pack Air Temperature Sensor B Circuit High | 23 | Powertrain |
| P0AB5 | Hybrid Battery Pack Air Temperature Sensor B Circuit Intermittent/Erratic | 24 | Powertrain |
| P0AB6 | Engine Mount B Control Circuit/Open | 22 | Powertrain |
| P0AB7 | Engine Mount B Control Circuit Low | 22 | Powertrain |
| P0AB8 | Engine Mount B Control Circuit High | 22 | Powertrain |
| P0AB9 | Hybrid System Performance | 22 | Powertrain |
| P0ABA | Hybrid/EV Battery Pack Voltage Sense A Circuit | 27 | Powertrain |
| P0ABB | Hybrid Battery Pack Voltage Sense Circuit Range/Performance | 23 | Powertrain |
| P0ABC | Hybrid Battery Pack Voltage Sense Circuit Low | 25 | Powertrain |
| P0ABD | Hybrid Battery Pack Voltage Sense Circuit High | 25 | Powertrain |
| P0ABE | Hybrid Battery Pack Voltage Sense Circuit Intermittent/Erratic | 21 | Powertrain |
| P0ABF | Hybrid/EV Battery Pack Current Sensor A Circuit | 32 | Powertrain |
| P0AC0 | Hybrid/EV Battery Pack Current Sensor A Circuit Range/Performance | 30 | Powertrain |
| P0AC1 | Hybrid/EV Battery Pack Current Sensor A Circuit Low | 30 | Powertrain |
| P0AC2 | Hybrid/EV Battery Pack Current Sensor A Circuit High | 30 | Powertrain |
| P0AC3 | Hybrid/EV Battery Pack Current Sensor A Circuit Intermittent/Erratic | 24 | Powertrain |
| P0AC4 | Hybrid Powertrain Control Module Requested MIL Illumination | 27 | Powertrain |
| P0AC5 | Hybrid Battery Temperature Sensor B Circuit | 23 | Powertrain |
| P0AC6 | Hybrid/EV Battery Temperature Sensor B Circuit Range/Performance | 29 | Powertrain |
| P0AC7 | Hybrid/EV Battery Temperature Sensor B Circuit Low | 29 | Powertrain |
| P0AC8 | Hybrid/EV Battery Temperature Sensor B Circuit High | 30 | Powertrain |
| P0AC9 | Hybrid Battery Temperature Sensor B Circuit Intermittent/Erratic | 22 | Powertrain |
| P0ACA | Hybrid Battery Temperature Sensor C Circuit | 23 | Powertrain |
| P0ACB | Hybrid/EV Battery Temperature Sensor C Circuit Range/Performance | 29 | Powertrain |
| P0ACC | Hybrid/EV Battery Temperature Sensor C Circuit Low | 29 | Powertrain |
| P0ACD | Hybrid/EV Battery Temperature Sensor C Circuit High | 30 | Powertrain |
| P0ACE | Hybrid Battery Temperature Sensor C Circuit Intermittent/Erratic | 22 | Powertrain |
| P0ACF | Hybrid Battery Pack Cooling Fan 3 Control Circuit | 20 | Powertrain |
| P0AD0 | Hybrid Battery Pack Cooling Fan 3 Performance/Stuck Off | 22 | Powertrain |
| P0AD1 | Hybrid Battery Pack Cooling Fan 3 Stuck On | 22 | Powertrain |
| P0AD2 | Hybrid Battery Pack Cooling Fan 3 Control Circuit Low | 22 | Powertrain |
| P0AD3 | Hybrid Battery Pack Cooling Fan 3 Control Circuit High | 20 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.