CITROEN fault codes
Coverage shown is Peugeot data: 27,440 codes · 111 vehicle records · 5,923 ECU records · 15,253 live-data parameters.
CITROEN shares fault-code data with Peugeot. Data may not cover CITROEN-specific systems.
Codes 27,440
| Code | Description | Brands | System |
|---|---|---|---|
| P29D1 | No description available | 7 | Powertrain |
| P29D2 | No description available | 7 | Powertrain |
| P29D3 | No description available | 7 | Powertrain |
| P29D5 | No description available | 7 | Powertrain |
| P29D6 | No description available | 7 | Powertrain |
| P29D7 | No description available | 7 | Powertrain |
| P29FA | No description available | 6 | Powertrain |
| P29FB | No description available | 6 | Powertrain |
| P29FC | No description available | 6 | Powertrain |
| P29FE | No description available | 6 | 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 |
| P2A0A | Manifold absolute pressure sensor 'B' circuit | 5 | Powertrain |
| P2A0B | Manifold absolute pressure sensor 'B' circuit range/performance | 10 | Powertrain |
| P2A0C | Manifold absolute pressure sensor 'B' circuit low | 11 | Powertrain |
| P2A0D | Manifold absolute pressure sensor 'B' circuit high | 11 | Powertrain |
| P2A0E | Manifold absolute pressure sensor 'B' circuit intermittent/erratic | 5 | Powertrain |
| P2A10 | O2 Sensor Negative Voltage Bank 2 Sensor 2 | 19 | Powertrain |
| P2A11 | O2 Sensor Negative Voltage Bank 2 Sensor 3 | 19 | Powertrain |
| P2A22 | Alternative fuel tank shutoff valve 'B' control circuit/open | 10 | Powertrain |
| P2A23 | Alternative fuel tank shutoff valve 'B' control circuit performance/stuck off | 10 | Powertrain |
| P2A24 | Alternative fuel tank shutoff valve 'B' control circuit low | 10 | Powertrain |
| P2A25 | Alternative fuel tank shutoff valve 'B' control circuit high | 10 | Powertrain |
| P2A26 | Alternative fuel tank shutoff valve 'C' control circuit/open | 10 | Powertrain |
| P2A27 | Alternative fuel tank shutoff valve 'C' control circuit performance/stuck off | 10 | Powertrain |
| P2A28 | Alternative fuel tank shutoff valve 'C' control circuit low | 10 | Powertrain |
| P2A29 | Alternative fuel tank shutoff valve 'C' control circuit high | 10 | Powertrain |
| P2A2A | Alternative fuel tank shutoff valve 'D' control circuit/open | 10 | Powertrain |
| P2A2B | Alternative fuel tank shutoff valve 'D' control circuit performance/stuck off | 10 | Powertrain |
| P2A2C | Alternative fuel tank shutoff valve 'D' control circuit low | 10 | Powertrain |
| P2A2D | Alternative fuel tank shutoff valve 'D' control circuit high | 10 | Powertrain |
| P2A33 | AFCM power relay control circuit low | 10 | Powertrain |
| P2A34 | AFCM power relay control circuit high | 10 | Powertrain |
| P2A36 | AFCM power relay sense circuit low | 10 | Powertrain |
| P2A37 | AFCM power relay sense circuit high | 10 | Powertrain |
| P2A50 | Alternative fuel vaporizer 'A' outlet temperature sensor circuit | 6 | Powertrain |
| P2A51 | Alternative fuel vaporizer 'A' outlet temperature sensor range/performance | 6 | Powertrain |
| P2A60 | Alternative fuel tank 'B' level sensor range/performance | 6 | Powertrain |
| P2A90 | Alternative fuel pump 'C' performance | 6 | Powertrain |
| P2A91 | Alternative fuel tank select valve 'A' control circuit/open | 6 | Powertrain |
| P2A92 | Alternative fuel tank select valve 'A' control performance | 6 | Powertrain |
| P2A93 | Alternative fuel tank select valve 'A' control circuit low | 6 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.