Smart fault codes
2,388 codes · 84 vehicle records · 75 ECU records · 14,877 live-data parameters
Codes 2,388
| Code | Description | Brands | System |
|---|---|---|---|
| P1021 | Oil control valve open | 24 | Powertrain |
| P1100 | Mass Air Flow Sensor Intermittent | 31 | Powertrain |
| P1101 | Mass Air Flow Sensor Out of Self-Test Range | 35 | Powertrain |
| P1102 | Mass Air Flow Sensor In Range But Lower Than Expected | 33 | Powertrain |
| P1103 | Mass Air Flow Sensor In Range But Higher Than Expected | 32 | Powertrain |
| P1104 | Signal too small | 31 | Powertrain |
| P1105 | The intake air pressure sensor signal is implausible when the engine is not running. | 37 | Powertrain |
| P1110 | Intake timing control (bank 1) | 32 | Powertrain |
| P1111 | Supercharged intake air temperature (IAT) sensor signal is implausible (high) | 32 | Powertrain |
| P1112 | Short circuit to negative | 28 | Powertrain |
| P1113 | Supercharged intake air temperature (IAT) sensor circuit intermittent high voltage | 25 | Powertrain |
| P1114 | Charge air intake temperature sensor signal low | 25 | Powertrain |
| P1121 | Throttle Position Sensor Inconsistent With Mass Air Flow Sensor | 36 | Powertrain |
| P1183 | Vacuum pump sensor failure | 24 | Powertrain |
| P1184 | DME: ACAT sensor, signal after SA, implausible, bank 1 | 24 | Powertrain |
| P1187 | DME: Heat output, ox.sensor after cat.conv., bank 2 | 23 | Powertrain |
| P1188 | DME: Fuel trim bank 1, permissible range exceeded | 23 | Powertrain |
| P1189 | DME: Fuel trim bank 2, permissible range exceeded | 24 | Powertrain |
| P1190 | Gas pressure sensor/engine | 32 | Powertrain |
| P1201 | Cylinder 1 injector | 32 | Powertrain |
| P1221 | Throttle position sensor 1-2 correlation | 30 | Powertrain |
| P1222 | Signal too small | 30 | Powertrain |
| P1231 | Cylinder 7 fuel injection circuit short to ground | 26 | Powertrain |
| P1232 | Pressure regulator | 28 | Powertrain |
| P1234 | Short circuit to ground | 33 | Powertrain |
| P1300 | Boost calibration fault | 35 | Powertrain |
| P1301 | Boost calibration high | 34 | Powertrain |
| P1302 | Boost calibration low | 32 | Powertrain |
| P1330 | DC/DC Converter temperature signal is invalid | 24 | Powertrain |
| P1335 | Crankshaft position sensor (reference) | 34 | Powertrain |
| P1354 | Ignition diagnostic module cylinder 4 no signal | 23 | Powertrain |
| P1355 | Cylinder 1 Ignition Circuit: Open Circuit | 19 | Powertrain |
| P1356 | Cylinder 1 ignition circuit: short to plus; Defective | 19 | Powertrain |
| P1357 | Cylinder 1, ignition circuit short to ground | 21 | Powertrain |
| P1358 | Cylinder 2, ignition circuit open | 20 | Powertrain |
| P1359 | Cylinder 2 ignition circuit: short to plus; Cannot be tested at this time | 19 | Powertrain |
| P1360 | Cylinder 2, ignition circuit short circuit to ground | 19 | Powertrain |
| P1361 | Ignition bypass circuit fault | 20 | Powertrain |
| P1380 | Camshaft Position Actuator Circ | 21 | Powertrain |
| P1386 | Knock-evaluation circuit faulty | 30 | Powertrain |
| P13EA | Cold start ignition angle setting | 13 | Powertrain |
| P1400 | Exhaust gas recirculation (EGR) control solenoid valve | 39 | Powertrain |
| 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 |
| P1404 | Auxiliary heating device 2 command | 29 | Powertrain |
| P1405 | DPFE sensor upstream hose off or plugged | 31 | Powertrain |
| P1420 | Secondary air injection valve circuit electrical malfunction | 26 | Powertrain |
| P1436 | Leak diagnosis pump - line break | 24 | Powertrain |
| P1437 | A/C evaporator air temperature circuit high | 19 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.