VW(SAIC) fault codes
Coverage shown is Volkswagen data: 3,421 codes · 292 vehicle records · 248 ECU records · 0 live-data parameters.
VW(SAIC) shares fault-code data with Volkswagen. Data may not cover VW(SAIC)-specific systems.
Codes 3,421
| Code | Description | Brands | System |
|---|---|---|---|
| P1401 | Differential Pressure Feedback Electronic (DPFE) Circuit High Input | 39 | Powertrain |
| P1402 | Exhaust gas recirculation (EGR) control back pressure valve | 33 | Powertrain |
| P1403 | EGR flow deviation | 34 | Powertrain |
| P1410 | Tank fill level implausible | 24 | Powertrain |
| P1411 | Secondary air injection system, bank 2 flow too flow | 23 | Powertrain |
| P1419 | Switch-over valve 2 for EGR cooler (N381): short to plus; Cannot be tested at this time | 22 | Powertrain |
| P141F | Exhaust gas temperature sensors: implausible; Short to plus | 16 | Powertrain |
| P1420 | Secondary air injection valve circuit electrical malfunction | 26 | Powertrain |
| P1421 | DME: Flow rate, sec.-air system, too low, bank 2 | 23 | Powertrain |
| P1422 | Cold start control | 21 | Powertrain |
| P1423 | DME: Flow rate, sec.-air system, too low, bank 1 | 21 | Powertrain |
| P1424 | Secondary Air Injection System | 23 | Powertrain |
| P1425 | Tank vent valve short to ground | 24 | Powertrain |
| P1426 | Tank vent valve open | 19 | Powertrain |
| P1427 | EGR temperature sensor 1 - intake air temperature 1 not plausible | 25 | Powertrain |
| P1428 | EGR temperature sensor 1 - intake air temperature 2 not plausible | 25 | Powertrain |
| P1429 | Circuit for Brake Vacuum Pump: Open Circuit | 23 | Powertrain |
| P1432 | DME: Secondary-air valve open, mechanically stuck | 23 | Powertrain |
| P1433 | Secondary air injection system pump relay circuit open | 24 | Powertrain |
| P1434 | Secondary air injection system pump relay circuit short to battery (+) | 21 | Powertrain |
| P1435 | Secondary air injection system pump relay circuit short to ground | 22 | Powertrain |
| P1436 | Leak diagnosis pump - line break | 24 | Powertrain |
| P1437 | A/C evaporator air temperature circuit high | 19 | Powertrain |
| P1438 | A/C evaporator air temperature circuit range/performance | 20 | Powertrain |
| P1440 | EVAP small leak | 29 | Powertrain |
| P1443 | Leak diagnosis pump - signal high | 32 | Powertrain |
| P144E | Closed loop diesel particulate filter (DPF) regeneration control at limit - stage 2 low temperature | 10 | Powertrain |
| P144F | Closed loop diesel particulate filter (DPF) regeneration control at limit - stage 2 high temperature | 10 | Powertrain |
| P1455 | Exhaust gas temperature sensor 1 range/performance | 23 | Powertrain |
| P1458 | Exhaust gas temperature sensor 2 short to ground | 23 | Powertrain |
| P145E | Mass air flow during regeneration too low; Short to plus | 16 | Powertrain |
| P145F | Mass air flow during regeneration too high; Short to ground | 16 | Powertrain |
| P1461 | A/C pressure sensor circuit high input | 24 | Powertrain |
| P146A | Malfunction Diesel Particle Filter Bank 1 Temperature increase not sufficient was detected | 14 | Powertrain |
| P146B | Malfunction Diesel Particle Filter Bank 2 Temperature increase not sufficient was detected | 13 | Powertrain |
| P146D | Feedback from reductant tank heater 1: short to plus; No signal/communication | 13 | Powertrain |
| P146F | EVAP purge system pressure sensor performance | 10 | Powertrain |
| P1473 | Fan circuit open (VLCM) | 23 | Powertrain |
| P1475 | DME: Tank-leak diagnosis pump, reed switch not closed | 23 | Powertrain |
| P1476 | Leak diagnosis pump - blocked line | 19 | Powertrain |
| P1479 | Brake boost vacuum system: mechanical failure; Defective | 19 | Powertrain |
| P147A | Control circuit for brake boost vacuum pump: electrical malfunction | 10 | Powertrain |
| P148A | Cooling fan signal circuit performance | 11 | Powertrain |
| P148B | Cooling fan signal circuit low voltage | 11 | Powertrain |
| P148C | Output module 2 for heating of reductant: malfunction; Lower limit exceeded | 10 | Powertrain |
| P148D | Implausible frequency | 12 | Powertrain |
| P148F | EVAP purge pump voltage sensor high voltage | 12 | Powertrain |
| P1499 | Air cleaner leak | 23 | Powertrain |
| P149D | Transfer pump for reductant: open circuit; Open circuit | 15 | Powertrain |
| P149E | Transfer pump for reductant: short to GND; Defective | 15 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.