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Volkswagen fault codes: probable meanings

Codes specific to Volkswagen (often P1xxx, B1xxx, C1xxx, U1xxx). The manufacturer does not publish these meanings: they come from an open database and remain probable. The same code can have another meaning depending on the model or the year.

Codes: 528, from smallest to largest.

CodeProbable meaning
P1101Oxygen Sensor Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1102Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak
P1103Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Short To B+
P1104Oxygen Sensor Bank 1 Sensor 2 Voltage Too Low/Air Leak
P1105Oxygen Sensor Heating Circuit Bank 1 Sensor 2 Short To B+
P1106Oxygen Sensor Circuit Bank 2 Sensor 1 Voltage Too Low/Air Leak
P1107Oxygen Sensor Heating Circuit Bank 2 Sensor 1 Short To B+
P1108Oxygen Sensor Heating Circuit Bank 2 Sensor 1 Output Too Low
P1109Oxygen Sensor Circuit Bank 2 Sensor 2 Voltage Too Low/Air Leak
P1110Oxygen Sensor Heating Circuit Bank 2 Sensor 2 Short To B+
P1111Oxygen Sensor Control Bank 1 System Too Lean
P1112Oxygen Sensor Control Bank 1 System Too Rich
P1113Oxygen Sensor Heater Resistance Too High Bank 1 Sensor 1
P1114Bank 1 Sensor 2 Resistance Too High
P1115Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 1
P1116Oxygen Sensor Heater Circuit Open Bank 1 Sensor 1
P1117Oxygen Sensor Heater Circuit Short To Ground Bank 1 Sensor 2
P1118Oxygen Sensor Heater Circuit Open Bank 1 Sensor 2
P1119Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Short To Ground
P1120Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open
P1121Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground
P1122Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Open
P1123Long Term Fuel Trim Add Air Bank 1 System Too Rich
P1124Long Term Fuel Trim Add Air Bank 1 System Too Lean
P1125Long Term Fuel Trim Add Air Bank 2 System Too Rich
P1126Long Term Fuel Trim Add Air Bank 2 System Too Lean
P1127Long Term Fuel Trim Bank 1 System Too Rich
P1128Long Term Fuel Trim Bank 1 System Too Lean
P1129Long Term Fuel Trim Bank 2 System Too Rich
P1130Long Term Fuel Trim Bank 2 System Too Lean
P1131Bank 2 Sensor 1 Resistance Too High
P1132Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 1 Short To B+
P1133Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 1 Electrical Malfunction
P1134Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Short To B+
P1135Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Electrical Malfunction
P1136Long Term Fuel Trim Add Fuel Bank 1 System Too Lean
P1137Long Term Fuel Trim Add Fuel Bank 1 System Too Rich
P1138Long Term Fuel Trim Add Fuel Bank 2 System Too Lean
P1139Long Term Fuel Trim Add Fuel Bank 2 System Too Rich
P1140Bank 2 Sensor 2 Resistance Too High
P1141Load Calculation Cross Check Range Performance
P1142Load Calculation Cross Check Lower Limit Exceeded
P1143Load Calculation Cross Check Upper Limit Exceeded
P1144Mass Or Volume Air Flow Circuit Open/Short To Ground
P1145Mass Or Volume Air Flow Circuit Short To B+
P1146Mass Or Volume Air Flow Circuit Power Supply Malfunction
P1147Oxygen Sensor Control Bank 2 System Too Lean
P1148Oxygen Sensor Control Bank 2 System Too Rich
P1149Oxygen Sensor Control Bank 1 Out Of Range
P1150Oxygen Sensor Control Bank 2 Out Of Range
P1151Bank 1 Long Term Fuel Trim Range 1 Lower Lean Limit Exceeded
P1152Bank 1 Long Term Fuel Trim Range 2 Lower Lean Limit Exceeded
P1154Manifold Switch Over Malfunction
P1155Manifold Absolute Pressure Sensor Circuit Short To B+
P1156Manifold Absolute Pressure Sensor Circuit Open/Short To Ground
P1157Manifold Absolute Pressure Sensor Circuit Power Supply Malfunction
P1158Manifold Absolute Pressure Sensor Circuit Range Performance
P1160Manifold Temperature Sensor Circuit Short To Ground
P1161Manifold Temperature Sensor Circuit Open/Short To B+
P1162Fuel Temperature Sensor Circuit Short To Ground
P1163Fuel Temperature Sensor Circuit Open/Short To B+
P1164Fuel Temperature Sensor Range Performance
P1165Bank 1 Long Term Fuel Trim Range 1 Lower Lean Limit Exceeded
P1166Bank 1 Long Term Fuel Trim Range 2 Upper Rich Limit Exceeded
P1171Throttle Actuation Potentiometer Signal 2 Range Performance
P1172Throttle Actuation Potentiometer Signal 2 Signal Too Low
P1173Throttle Actuation Potentiometer Signal 2 Signal Too High
P1174Fuel Trim Bank 1 Different Injection Times
P1176Rear Oxygen Sensor Correction
P1177Oxygen Sensor Correction Behind Catalyst Bank 1 Limit Attained
P1178Linear Oxygen Sensor Pump Current Open
P1179Linear Oxygen Sensor Pump Current Short To Ground
P1180Linear Oxygen Sensor Pump Current Short To B+
P1181Linear Oxygen Sensor Reference Voltage Open
P1182Linear Oxygen Sensor Reference Voltage Short To Ground
P1183Linear Oxygen Sensor Reference Voltage Short To B+
P1184Linear Oxygen Sensor Common Ground Wire Open
P1185Linear Oxygen Sensor Common Ground Wire Short To Ground
P1186Linear Oxygen Sensor Common Ground Short To B+
P1187Linear Oxygen Sensor Compensation Resistor Open
P1188Linear Oxygen Sensor Compensation Resistor Short To Ground
P1189Linear Oxygen Sensor Compensation Resistor Short To B+
P1190Linear Oxygen Sensor Reference Voltage Incorrect Signal
P1196Oxygen Sensor Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
P1197Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Electrical Malfunction
P1198Oxygen Sensor Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
P1199Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
P1201Cylinder 1 Fuel Injector Circuit Electrical Malfunction
P1202Cylinder 2 Fuel Injector Circuit Electrical Malfunction
P1203Cylinder 3 Fuel Injector Circuit Electrical Malfunction
P1204Cylinder 4 Fuel Injector Circuit Electrical Malfunction
P1205Cylinder 5 Fuel Injector Circuit Electrical Malfunction
P1206Cylinder 6 Fuel Injector Circuit Electrical Malfunction
P1207Cylinder 7 Fuel Injector Circuit Electrical Malfunction
P1208Cylinder 8 Fuel Injector Circuit Electrical Malfunction
P1209Intake Valves For Cylinder Shut-Off Short Circuit To Ground
P1210Intake Valves For Cylinder Shut-Off Short To B+
P1211Intake Valves For Cylinder Shut-Off Open Circuit
P1213Cylinder 1 Fuel Injector Circuit Short To B+
P1214Cylinder 2 Fuel Injector Circuit Short To B+
P1215Cylinder 3 Fuel Injector Circuit Short To B+
P1216Cylinder 4 Fuel Injector Circuit Short To B+
P1217Cylinder 5 Fuel Injector Circuit Short To B+
P1218Cylinder 6 Fuel Injector Circuit Short To B+
P1219Cylinder 7 Fuel Injector Circuit Short To B+
P1220Cylinder 8 Fuel Injector Circuit Short To B+
P1225Cylinder 1 Injector Circuit Short To Ground
P1226Cylinder 2 Injector Circuit Short To Ground
P1227Cylinder 3 Injector Circuit Short To Ground
P1228Cylinder 4 Injector Circuit Short To Ground
P1229Cylinder 5 Injector Circuit Short To Ground
P1230Cylinder 6 Injector Circuit Short To Ground
P1231Cylinder 7 Injector Circuit Short To Ground
P1232Cylinder 8 Injector Circuit Short To Ground
P1237Cylinder 1 Injector Circuit Open Circuit
P1238Cylinder 2 Injector Circuit Open Circuit
P1239Cylinder 3 Injector Circuit Open Circuit
P1240Cylinder 4 Injector Circuit Open Circuit
P1241Cylinder 5 Injector Circuit Open Circuit
P1242Cylinder 6 Injector Circuit Open Circuit
P1243Cylinder 7 Injector Circuit Open Circuit
P1244Cylinder 8 Injector Circuit Open Circuit
P1245Needle Lift Sensor Circuit Short To Ground
P1246Needle Lift Sensor Circuit Range Performance
P1247Needle Lift Sensor Circuit Open/Short To B+
P1248Injection Start Control Deviation
P1249Fuel Consumption Signal Electrical Fault In Circuit
P1250Fuel Level Too Low
P1251Start Of Injection Solenoid Circuit Short To B+
P1252Start Of Injection Solenoid Circuit Open/Short To Ground
P1253Fuel Consumption Signal Short To Ground
P1254Fuel Consumption Signal Short To B+
P1255Engine Coolant Temperature Circuit Short To Ground
P1256Engine Coolant Temperature Circuit Open/Short To B+
P1257Engine Coolant System Valve Open
P1258Engine Coolant System Valve Short To B+
P1259Engine Coolant System Valve Short To Ground
P1280Fuel Injection Air Control Valve Circuit Flow Too Low
P1283Fuel Injection Air Control Valve Circuit Electrical Malfunction
P1284Fuel Injection Air Control Valve Circuit Open
P1285Fuel Injection Air Control Valve Circuit Short To Ground
P1286Fuel Injection Air Control Valve Circuit Short To B+
P1287Turbocharge Bypass Valve Open
P1288Turbocharge Bypass Valve Short To B+
P1289Turbocharge Bypass Valve Short To Ground
P1300Misfire Detected Fuel Level Too Low
P1319Knock Sensor 1 Circuit Short To Ground
P1320Knock Sensor 2 Circuit Short To Ground
P1321Knock Sensor 3 Circuit Low Input
P1322Knock Sensor 3 Circuit High Input
P1323Knock Sensor 4 Circuit Low Input
P1324Knock Sensor 4 Circuit High Input
P1325Cylinder 1 Knock Control Limit Attained
P1326Cylinder 2 Knock Control Limit Attained
P1327Cylinder 3 Knock Control Limit Attained
P1328Cylinder 4 Knock Control Limit Attained
P1329Cylinder 5 Knock Control Limit Attained
P1330Cylinder 6 Knock Control Limit Attained
P1331Cylinder 7 Knock Control Limit Attained
P1332Cylinder 8 Knock Control Limit Attained
P1335Engine Torque Monitoring 2 Control Limit Exceeded
P1336Engine Torque Adaptation At Limit
P1337CMP Sensor Bank 1 Short To Ground
P1338CMP Sensor Bank 1 Open Circuit Or Short To B+
P1339Crankshaft Position Engine Speed Sensor Cross Connected
P1340CKP CMP Sensor Signals Out Of Sequence
P1341Ignition Coil Output Stage 1 Short To Ground
P1342Ignition Coil Power Output State 1 Short To B+
P1343Ignition Coil Output Stage 2 Short To Ground
P1345Ignition Coil Output Stage 3 Short To Ground
P1346Ignition Coil Power Output State 3 Short To B+
P1347Bank 2 Crankshaft Camshaft Position Sensor Signal Out Of Sequence
P1348Ignition Coil Power Output Stage 1 Open
P1349Ignition Coil Power Output Stage 2 Open
P1350Ignition Coil Power Output Stage 3 Open
P1354Modulation Piston Displacement Sensor Circuit Malfunction
P1355Cylinder 1 Ignition Circuit Open
P1356Cylinder 1 Ignition Circuit Short To B+
P1357Cylinder 1 Ignition Circuit Short To Ground
P1358Cylinder 2 Ignition Circuit Open
P1359Cylinder 2 Ignition Circuit Short To B+
P1360Cylinder 2 Ignition Circuit Short To Ground
P1361Cylinder 3 Ignition Circuit Open
P1362Cylinder 3 Ignition Circuit Short To B+
P1363Cylinder 3 Ignition Circuit Short To Ground
P1364Cylinder 4 Ignition Circuit Open
P1365Cylinder 4 Ignition Circuit Short To B+
P1366Cylinder 4 Ignition Circuit Short To Ground
P1367Cylinder 5 Ignition Circuit Open
P1368Cylinder 5 Ignition Circuit Short To B+
P1369Cylinder 5 Ignition Circuit Short To Ground
P1370Cylinder 6 Ignition Circuit Open
P1371Cylinder 6 Ignition Circuit Short To B+
P1372Cylinder 6 Ignition Circuit Short To Ground
P1373Cylinder 7 Ignition Circuit Open
P1374Cylinder 7 Ignition Circuit Short To B+
P1375Cylinder 7 Ignition Circuit Short To Ground
P1376Cylinder 8 Ignition Circuit Open
P1377Cylinder 8 Ignition Circuit Short To B+
P1378Cylinder 8 Ignition Circuit Short To Ground
P1386Internal Control Module Knock Control Error
P1387Control Unit Internal Altitude Sensor
P1388Control Unit Internal Throttle Control
P1391CMP Sensor Bank 2 Short To Ground
P1392CMP Sensor Bank 2 Open Circuit Short To B+
P1393Ignition Coil Power Output Stage 1 Malfunction
P1394Ignition Coil Power Output Stage 2 Malfunction
P1395Ignition Coil Power Output Stage 3 Malfunction
P1396Engine Speed Sensor Missing Tooth
P1397Engine Speed Wheel Adaptation At Limit
P1398Engine RPM Signal Short To Ground
P1399Engine RPM Signal Short To B+
P1400EGR Valve Circuit Electrical Malfunction
P1401EGR Valve Power Stage Short To Ground
P1402EGR Valve Circuit Short To B+
P1403EGR Flow Deviation
P1404EGR Flow Adaptation Not Carried Out
P1406EGR Temperature Sensor Range Performance
P1407EGR Temperature Sensor Signal Too Low
P1408EGR Temperature Sensor Signal Too High
P1409Tank Ventilation Valve Electrical Malfunction
P1410Tank Ventilation Valve Circuit Short To B+
P1411Secondary Air Injection System Bank 2 Flow Too Lean
P1412EGR Differential Pressure Sensor Signal Too Low
P1413EGR Differential Pressure Sensor Signal Too High
P1414Secondary Air Injection System Bank 2 Leak Detected
P1417Fuel Level Sensor Signal Too Low
P1418Fuel Level Sensor Signal Too High
P1420Secondary Air Injection Control Module Electrical Malfunction
P1421Secondary Air Injection Valve Circuit Short To Ground
P1422Secondary Air Injection Valve Circuit Short To B+
P1423Secondary Air Injection System Bank 1 Flow Too Low
P1424Secondary Air Injection System Bank 1 Leak Detected
P1425Tank Ventilation Valve Short To Ground
P1426Tank Ventilation Valve Open Circuit
P1432Secondary Air Injection Valve Open
P1433Secondary Air Injection Pump Relay Circuit Open
P1434Secondary Air Injection Pump Relay Circuit Short To B+
P1435Secondary Air Injection Pump Relay Circuit Short To Ground
P1436Secondary Air Injection Pump Relay Circuit Electrical Malfunction
P1439EGR Valve Position Sensor Adaptation At Limit
P1440EGR Valve Power Stage Open
P1441EGR Valve Circuit Open Short To Ground
P1442EGR Valve Position Sensor Signal Too High
P1443EGR Valve Position Sensor Signal Too Low
P1444EGR Valve Position Sensor Range Performance
P1445Catalyst Temperature Sensor 2 Circuit Range Performance
P1446Catalyst Temperature Circuit Short To Ground
P1447Catalyst Temperature Circuit Open Short To B+
P1448Catalyst Temperature Sensor 2 Circuit Short To Ground
P1449Catalyst Temperature Sensor 2 Circuit Open Short To B+
P1450Secondary Air Injection System Circuit Short To B+
P1451Secondary Air Injection Circuit Short To Ground
P1452Secondary Air Injection System Circuit Open
P1453Exhaust Gas Temperature Sensor 1 Open Short To B+
P1454Exhaust Gas Temperature Sensor 1 Short To Ground
P1455Exhaust Gas Temperature Sensor 1 Range Performance
P1456Exhaust Gas Temperature Control Bank 1 Limit Attained
P1457Exhaust Gas Temperature Sensor 2 Open Short To B+
P1458Exhaust Gas Temperature Sensor 2 Short To Ground
P1459Exhaust Gas Temperature Sensor 2 Range Performance
P1460Exhaust Gas Temperature Control Bank 2 Limit Attained
P1461Exhaust Gas Temperature Control Bank 1 Range Performance
P1462Exhaust Gas Temperature Control Bank 2 Range Performance
P1465Additive Pump Short To B+
P1466Additive Pump Open Short To Ground
P1467EVAP Canister Purge Solenoid Valve Short To B+
P1468EVAP Canister Purge Solenoid Valve Short To Ground
P1469EVAP Canister Purge Solenoid Valve Open
P1470EVAP Emission Control System LDP Circuit Electrical Malfunction
P1471EVAP Emission Control System LDP Circuit Short To B+
P1472EVAP Emission Control System LDP Circuit Short To Ground
P1473EVAP Emission Control System LDP Open Circuit
P1475EVAP Emission Control System LDP Malfunction Signal Circuit Open
P1476EVAP Emission Control System LDP Malfunction Insufficient Vacuum
P1477EVAP Emission Control System LDP Malfunction
P1478EVAP Emission Control System LDP Clamped Tube Detected
P1500Fuel Pump Relay Electrical Circuit Malfunction
P1501Fuel Pump Relay Circuit Short To Ground
P1502Fuel Pump Relay Circuit Short To B+
P1503Load Signal From Generator Range Performance
P1504Intake Air System Bypass Leak Detected
P1505Closed Throttle Position Does Not Close Open Circuit
P1506Closed Throttle Position Switch Does Not Open Short To Ground
P1507Idle System Learned Value Lower Limit Attained
P1508Idle System Learned Value Upper Limit Attained
P1509Idle Air Control Circuit Electrical Malfunction
P1510Idle Air Control Circuit Short To B+
P1511Intake Manifold Changeover Valve Circuit Electrical Malfunction
P1512Intake Manifold Changeover Valve Circuit Short To B+
P1513Intake Manifold Changeover Valve 2 Circuit Short To B+
P1514Intake Manifold Changeover Valve 2 Circuit Short To Ground
P1515Intake Manifold Changeover Valve Circuit Short To Ground
P1516Intake Manifold Changeover Valve Circuit Open
P1517Main Relay Circuit Electrical Malfunction
P1518Main Relay Circuit Short To B+
P1519Intake Camshaft Control Bank 1 Malfunction
P1520Intake Manifold Changeover Valve 2 Circuit Open
P1521Intake Manifold Changeover Valve 2 Circuit Electrical Malfunction
P1522Intake Camshaft Control Bank 2 Malfunction
P1523Crash Signal From Airbag Control Unit Range Performance
P1525Intake Camshaft Control Circuit Bank 1 Electrical Malfunction
P1526Intake Camshaft Control Circuit Bank 1 Short To B+
P1527Intake Camshaft Control Circuit Bank 1 Short To Ground
P1528Intake Camshaft Control Circuit Bank 1 Open
P1529Intake Camshaft Control Circuit Short To B+
P1530Intake Camshaft Control Circuit Short To Ground
P1531Intake Camshaft Control Circuit Open
P1533Intake Camshaft Control Circuit Bank 2 Electrical Malfunction
P1534Intake Camshaft Control Circuit Bank 2 Short To B+
P1535Intake Camshaft Control Circuit Bank 2 Short To Ground
P1536Intake Camshaft Control Circuit Bank 2 Open
P1537Engine Shutoff Solenoid Malfunction
P1538Engine Shutoff Solenoid Open Short To Ground
P1539Clutch Pedal Switch Signal Fault
P1540Vehicle Speed Sensor High Input
P1541Fuel Pump Relay Circuit Open
P1542Throttle Actuation Potentiometer Range Performance
P1543Throttle Actuation Potentiometer Signal Too Low
P1544Throttle Actuation Potentiometer Signal Too High
P1545Throttle Position Control Malfunction
P1546Boost Pressure Control Valve Short To B+
P1547Boost Pressure Control Valve Short To Ground
P1548Boost Pressure Control Valve Open
P1549Boost Pressure Control Valve Open Short To Ground
P1550Charge Pressure Deviation
P1551Barometric Pressure Sensor Circuit Short To B+
P1552Barometric Pressure Sensor Circuit Open Short To Ground
P1553Barometric Manifold Pressure Signal Ratio Out Of Range
P1554Idle Speed Control Throttle Position Missing Adaptation Conditions
P1555Charge Pressure Upper Limit Exceeded
P1556Charge Pressure Negative Deviation
P1557Charge Pressure Positive Deviation
P1558Throttle Actuator Electrical Malfunction
P1559Idle Speed Control Throttle Position Adaptation Malfunction
P1560Maximum Engine Speed Exceeded
P1561Quantity Adjuster Deviation
P1562Quantity Adjuster Upper Limit Attained
P1563Quantity Adjuster Lower Limit Attained
P1564Idle Speed Control Throttle Position Low Voltage During Adaptation
P1565Idle Speed Control Throttle Position Lower Limit Not Obtained
P1566Load Signal From A/C Compressor Range Performance
P1567Load Signal From A/C Compressor No Signal
P1568Idle Speed Control Throttle Position Mechanical Malfunction
P1569Switch For CCS Signal Faulty
P1570Control Unit Locked
P1571Left Engine Mount Solenoid Valve Short To B+
P1572Left Engine Mount Solenoid Valve Short To Ground
P1573Left Engine Mount Solenoid Valve Open Circuit
P1574Left Engine Mount Solenoid Valve Electrical Fault In Circuit
P1575Right Engine Mount Solenoid Valve Short To B+
P1576Right Engine Mount Solenoid Valve Short To Ground
P1577Right Engine Mount Solenoid Valve Open Circuit
P1578Right Engine Mount Solenoid Valve Electrical Fault In Circuit
P1579Idle Speed Control Throttle Position Adaptation Not Started
P1580Throttle Actuator Bank 1 Malfunction
P1581Idle Speed Control Throttle Position Adaptation Not Carried Out
P1582Idle Adaptation At Limit
P1583Transmission Mount Valves Short To B+
P1584Transmission Mount Valves Short To Ground
P1585Transmission Mount Valves Open Circuit
P1586Engine Mount Solenoid Valves Short To B+
P1587Engine Mount Solenoid Valves Short To Ground
P1588Engine Mount Solenoid Valves Open Circuit
P1600Power Supply Terminal No 15 Low Voltage
P1602Power Supply Terminal No 30 Low Voltage
P1603Internal Control Module Self Check
P1604Internal Control Module Driver Error
P1605Rough Road Acceleration Sensor Electrical Malfunction
P1606Rough Road Spec Engine Torque ABS ECU Electrical Malfunction
P1607Vehicle Speed Signal Error Message From Instrument Cluster
P1608Steering Angle Signal Error Message From Steering Angle Sensor
P1609Crash Shut Down Activated
P1611MIL Call-Up Circuit TCM Short To Ground
P1612Engine Control Module Incorrect Coding
P1613MIL Call-Up Circuit Open Short To B+
P1614MIL Call-Up Circuit Transmission Control Module Range Performance
P1615Engine Oil Temperature Sensor Circuit Range Performance
P1616Glow Plug Heater Indicator Circuit Short To B+
P1617Glow Plug Heater Indicator Circuit Open Short To Ground
P1618Glow Plug Heater Relay Circuit Short To B+
P1619Glow Plug Heater Relay Circuit Open Short To Ground
P1620Engine Coolant Temperature Signal Open Short To B+
P1621Engine Coolant Temperature Signal Short To Ground
P1622Engine Coolant Temperature Signal Range Performance
P1623Data Bus Powertrain No Communication
P1624MIL Request Signal Active
P1625CAN Bus Unplausible Message From Transmission Control
P1626Data Bus Drive Missing Command From M/T
P1627Data Bus Powertrain Missing Message From Fuel Injection Pump
P1628Data Bus Powertrain Missing Message From Distance Control
P1629Data Bus Powertrain Missing Message From Distance Control
P1630Accelerator Pedal Position Sensor 1 Signal Too Low
P1631Accelerator Pedal Position Sensor 1 Signal Too High
P1632Accelerator Pedal Position Sensor 1 Power Supply Malfunction
P1633Accelerator Pedal Position Sensor 2 Signal Too Low
P1634Accelerator Pedal Position Sensor 2 Signal Too High
P1635Data Bus Powertrain Missing Message From Air Condition Control
P1636Data Bus Powertrain Missing Message From Airbag Control
P1637Data Bus Powertrain Missing Message From Central Electronic Control
P1638Data Bus Powertrain Missing Message From Clutch Control
P1639Accelerator Pedal Position Sensor 1/2 Range Performance
P1640Internal Control Module EEPROM Error
P1641Check DTC Memory Of Air Condition ECU
P1642Check DTC Memory Of Airbag ECU
P1643Check DTC Memory Of Central ECU
P1644Check DTC Memory Of Clutch ECU
P1645Data Bus Powertrain Defect
P1646Check DTC Memory Of All Wheel Drive ECU
P1647Check Coding Of ECUs In Data Bus Powertrain
P1648Data Bus Powertrain Malfunction
P1649Data Bus Powertrain Missing Message From Brake Controller
P1650Data Bus Powertrain Missing Message From Instrument Panel ECU
P1651Data Bus Powertrain Missing Messages
P1652Check DTC Memory Of Transmissions ECU
P1653Check DTC Memory Of Brake ECU
P1654Check DTC Memory Of Control Panel ECU
P1655Check DTC Memory Of Distance Control ECU
P1656A/C Clutch Relays Circuit Short To Ground
P1657A/C Clutch Relays Circuit Short To B+
P1658Data Bus Powertrain Range Performance From Distance Control
P1676Drive By Wire MIL Circuit Electrical Malfunction
P1677Drive By Wire MIL Circuit Short To B+
P1678Drive By Wire MIL Circuit Short To Ground
P1679Drive By Wire MIL Circuit Open Circuit
P1681Control Module Programming Not Finished
P1684Control Unit Programming Communication Error
P1686Control Unit Error Programming
P1690MIL Malfunction
P1691MIL Open Circuit
P1692MIL Short To Ground
P1693MIL Short To B+
P1694MIL Open Short To Ground
P1704Kick Down Switch Malfunction
P1711Wheel Speed Signal 1 Range Performance
P1716Wheel Speed Signal 2 Range Performance
P1721Wheel Speed Signal 3 Range Performance
P1723Starter Interlock Circuit Open
P1724Starter Interlock Circuit Short To Ground
P1726Wheel Speed Signal 4 Range Performance
P1728Different Wheel Speed Signals Range Performance
P1729Starter Interlock Circuit Short To B+
P1733Tiptronic Switch Down Circuit Short To Ground
P1739Tiptronic Switch Up Circuit Short To Ground
P1741Clutch Pressure Adaptation At Limit
P1742Clutch Torque Adaptation At Limit
P1743Clutch Slip Control Signal Too High
P1744Tiptronic Switch Recognition Circuit Short To Ground
P1745Transmission Control Unit Relay Short To B+
P1746Transmission Control Unit Relay Malfunction
P1747Transmission Control Unit Relay Open Short To Ground
P1748Transmission Control Unit Self-Check
P1749Transmission Control Unit Incorrect Coding
P1750Power Supply Voltage Low
P1751Power Supply Voltage High
P1752Power Supply Malfunction
P1760Shift Lock Malfunction
P1761Shift Lock Short To Ground
P1762Shift Lock Short To B+
P1763Shift Lock Open
P1765Hydraulic Pressure Sensor 2 Adaptation At Limit
P1766Throttle Angle Signal Stuck Off
P1767Throttle Angle Signal Stuck On
P1768Hydraulic Pressure Sensor 2 Too High
P1769Hydraulic Pressure Sensor 2 Too Low
P1770Load Signal Range Performance
P1771Load Signal Stuck Off
P1772Load Signal Stuck On
P1773Hydraulic Pressure Sensor 1 Too High
P1774Hydraulic Pressure Sensor 1 Too Low
P1775Hydraulic Pressure Sensor 1 Adaptation At Limit
P1778Solenoid EV7 Electrical Malfunction
P1780Engine Intervention Readable
P1781Engine Torque Reduction Open Short To Ground
P1782Engine Torque Reduction Short To B+
P1784Shift Up Down Wire Open Short To Ground
P1785Shift Up Down Wire Short To B+
P1786Reversing Light Circuit Open
P1787Reversing Light Circuit Short To Ground
P1788Reversing Light Circuit Short To B+
P1789Idle Speed Intervention Circuit Error Message From Engine Control
P1790Transmission Range Display Circuit Open
P1791Transmission Range Display Circuit Short To Ground
P1792Transmission Range Display Circuit Short To B+
P1793Output Speed Sensor 2 Circuit No Signal
P1795Vehicle Speed Signal Circuit Open
P1796Vehicle Speed Signal Short To Ground
P1797Vehicle Speed Signal Short To B+
P1798Output Speed Sensor 2 Circuit Range Performance
P1799Output Speed Sensor 2 Circuit RPM Too High
P1813Pressure Control Solenoid 1 Electrical
P1814Pressure Control Solenoid 1 Open Short To Ground
P1815Pressure Control Solenoid 1 Short To B+
P1818Pressure Control Solenoid 2 Electrical
P1819Pressure Control Solenoid 2 Open Short To Ground
P1820Pressure Control Solenoid 2 Short To B+
P1823Pressure Control Solenoid 3 Electrical
P1824Pressure Control Solenoid 3 Open Short To Ground
P1825Pressure Control Solenoid 3 Short To B+
P1828Pressure Control Solenoid 4 Electrical
P1829Pressure Control Solenoid 4 Open Short To Ground
P1830Pressure Control Solenoid 4 Short To B+
P1834Pressure Control Solenoid 5 Open Short To Ground
P1835Pressure Control Solenoid 5 Short To B+
P1841Engine Transmission Control Do Not Match
P1842Check DTC Memory Of Instrument Panel ECU
P1843Check DTC Memory Of Distance Control ECU
P1844Check DTC Memory Of Central Electronic Control ECU
P1847Check DTC Memory Of Brake System ECU
P1848Check DTC Memory Of Engine ECU
P1849Check DTC Memory Of Transmission ECU
P1850CAN Bus Missing Message From Engine Control
P1851CAN Bus Missing Message From Brake Control
P1852CAN Bus Unplausible Message From Engine Control
P1853CAN Bus Unplausible Message From Brake Control
P1854CAN Bus Hardware Defective
P1855CAN Bus Software Version Control
P1856Throttle Pedal Position Sensor A Circuit Error Message From Engine Control
P1857Load Signal Error Message From Engine Control
P1858Engine Speed Input Circuit Error Message From Engine Control
P1859Brake Switch Circuit Error Message From Engine Control
P1860Kick Down Switch Error Message From Engine Control
P1861Throttle Position Sensor Error Message From ECM
P1862Data Bus Powertrain Missing Message From Instrument Panel ECU
P1863Data Bus Powertrain Missing Message From Steering Angle Sensor
P1864Data Bus Powertrain Missing Message From ADR Control Module
P1865Data Bus Powertrain Missing Message From Central Electronics
P1866Data Bus Powertrain Missing Messages

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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.