ALFAROMEO fault codes
Coverage shown is Fiat data: 409 codes · 52 vehicle records · 212 ECU records · 0 live-data parameters.
ALFAROMEO shares fault-code data with Fiat. Data may not cover ALFAROMEO-specific systems.
Codes 409
| Code | Description | Brands | System |
|---|---|---|---|
| P099B | Engine compartment fuse box - Air pump control circuit failure | 30 | Powertrain |
| P099C | Engine compartment fuse box - Fuel pump control circuit failure | 30 | Powertrain |
| P0A92 | Hybrid Generator Performance | 27 | Powertrain |
| P0C4D | Hybrid Battery Pack Coolant Pump Supply Voltage Circuit High | 23 | Powertrain |
| P0CEA | Hybrid/EV electronics coolant pump 'A' performance | 14 | Powertrain |
| P0E1F | Hybrid/EV battery pack coolant pump 'A' control circuit driver current/temperature too high | 8 | Powertrain |
| P0E3B | Hybrid/EV Battery Coolant Pump Overspeed | 12 | Powertrain |
| P1192 | too great in lean range | 33 | Powertrain |
| P11C3 | NO. 452 battery voltage sampling wire loop fault | 13 | Powertrain |
| P11E4 | NO. 485 battery voltage sampling wire loop fault | 11 | Powertrain |
| P1206 | If DTC or P2002 is set, perform this procedure to regenerate the diesel particulate filter | 29 | Powertrain |
| P1305 | Igniter circuit #2 | 29 | Powertrain |
| P1306 | Kickdown relay pull-in circuit | 26 | Powertrain |
| P1400 | Exhaust gas recirculation (EGR) control solenoid valve | 39 | Powertrain |
| P1401 | Differential Pressure Feedback Electronic (DPFE) Circuit High Input | 39 | Powertrain |
| P1412 | 2nd air valve circuit | 30 | Powertrain |
| P1424 | Secondary Air Injection System | 23 | Powertrain |
| P1461 | A/C pressure sensor circuit high input | 24 | Powertrain |
| P1465 | A/C Relay Circuit | 19 | Powertrain |
| P1466 | A/C Refrigerant Temp Sens Circ | 20 | Powertrain |
| P1467 | A/C Compressor Temperature Sensor Malfunction | 18 | Powertrain |
| P1469 | Rapid A/C Cycling | 20 | Powertrain |
| P1477 | DME: Tank-leak diagnosis pump, reed switch does not open | 20 | Powertrain |
| P1479 | Brake boost vacuum system: mechanical failure; Defective | 19 | Powertrain |
| P1500 | Idle-speed control valve jammed open | 33 | Powertrain |
| P1545 | A/C clutch relay control circuit | 30 | Powertrain |
| P1601 | ECU processor Analog/Digital Converter fault | 36 | Powertrain |
| P1614 | Wrong transponder key | 36 | Powertrain |
| P1634 | Closing spring faulty | 31 | Powertrain |
| P167A | Calibration mismatch | 14 | Powertrain |
| P167B | Fuel injector learning not done | 15 | Powertrain |
| P1684 | Driver 5 Line 4 | 28 | Powertrain |
| P1694 | Starter control failure | 24 | Powertrain |
| P1713 | TFT Sensor In Range Failure Low Value | 24 | Powertrain |
| P1715 | SMG: Hydraulic pressure loss in system | 34 | Powertrain |
| P1720 | SMG: CAN bus error | 36 | Powertrain |
| P1725 | Insufficient engine speed increase during self-test | 27 | Powertrain |
| P1726 | Wheel speed signal 4 range/performance | 27 | Powertrain |
| P1727 | Shift motor electric | 22 | Powertrain |
| P1728 | Shift motor mechanic | 27 | Powertrain |
| P1731 | Gear 1, faulty gear ratio | 36 | Powertrain |
| P1736 | Gear ratio error in 2nd prime | 30 | Powertrain |
| P1743 | Open circuit | 27 | Powertrain |
| P1745 | Line pressure control | 33 | Powertrain |
| P1758 | SMG: Selection angle cannot be engaged | 29 | Powertrain |
| P1775 | Gear release failed | 30 | Powertrain |
| P1776 | Torque Down Signal #2 Circuit | 27 | Powertrain |
| P1790 | Fault immediately after shift | 30 | Powertrain |
| P1793 | Wheel speed signal malfunction | 26 | Powertrain |
| P1794 | Incorrect operation of selector lever | 19 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.