Mercury fault codes: probable meanings
Codes specific to Mercury (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: 413, from smallest to largest.
| Code | Probable meaning |
|---|---|
| P1000 | OBD System Readiness Test Not Complete |
| P1001 | KOER Test Cannot Be Completed |
| P1039 | Vehicle Speed Signal Missing or Improper |
| P1051 | Brake Switch Signal Missing or Improper |
| P1100 | Mass Air Flow Sensor Intermittent |
| P1101 | Mass Air Flow Sensor Out of Self-Test Range |
| P1105 | Dual Alternator Upper Fault |
| P1106 | Dual Alternator Lower Fault Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage |
| P1107 | Dual Alternator Lower Circuit Malfunction Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage |
| P1108 | Dual Alternator Battery Lamp Circuit Malfunction |
| P1109 | IAT B Sensor Intermittent |
| P1111 | System Pass |
| P1112 | Intake Air Temperature Sensor Intermittent |
| P1114 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage IAT B Circuit Low Input |
| P1115 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage IAT B Circuit High Input |
| P1116 | Engine Coolant Temperature Sensor is Out of Self-Test Range |
| P1117 | Engine Coolant Temperature Sensor Intermittent |
| P1118 | Manifold Absolute Temperature Circuit Low Input |
| P1119 | Manifold Absolute Temperature Circuit High Input |
| P1120 | Throttle Position Sensor Out of Range |
| P1121 | Throttle Position Sensor Inconsistent with Mass Air Flow Sensor |
| P1122 | Throttle Position TP Sensor Circuit Intermittent Low Voltage |
| P1123 | Throttle Position Sensor In Range But Higher Than Expected |
| P1124 | Throttle Position Sensor Out of Self-Test Range |
| P1125 | Throttle Position Sensor Intermittent |
| P1127 | Exhaust Not Warm Enough Downstream O2 Sensor Not Tested |
| P1128 | Upstream Heated Oxygen Sensor Signals Reversed |
| P1129 | Downstream Heated Oxygen Sensor Signals Reversed |
| P1130 | Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1 |
| P1131 | Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 |
| P1132 | Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1 |
| P1133 | Bank 1 Fuel Control Shifted Lean |
| P1134 | Bank 1 Fuel Control Shifted Rich |
| P1135 | Pedal Position Sensor A Circuit Intermittent |
| P1137 | Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 1 |
| P1138 | Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1 |
| P1139 | Water In Fuel Indicator Circuit Malfunction |
| P1140 | Water In Fuel Condition |
| P1141 | Fuel Restriction Indicator Circuit Malfunction |
| P1142 | Fuel Restriction Condition |
| P1150 | Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2 |
| P1151 | Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2 |
| P1152 | Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 |
| P1153 | Bank 2 Fuel Control Shifted Lean |
| P1154 | Bank 2 Fuel Control Shifted Rich |
| P1155 | Alternative Fuel Controller |
| P1157 | Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2 |
| P1158 | Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 |
| P1168 | Fuel Rail Sensor In-Range Low Failure |
| P1169 | Fuel Rail Sensor In-Range High Failure |
| P1170 | ESO Engine Shut Off Solenoid Fault |
| P1171 | Rotor Sensor Fault |
| P1172 | Rotor Control Fault |
| P1173 | Rotor Calibration Fault |
| P1174 | Cam Sensor Fault |
| P1175 | Cam Control Fault |
| P1176 | Cam Calibration Fault |
| P1177 | Synchronization Fault |
| P1180 | Fuel Delivery System Malfunction Low |
| P1181 | Fuel Delivery System Malfunction High |
| P1183 | Engine Oil Temperature Circuit Malfunction |
| P1184 | Engine Oil Temperature Out Of Self Test Range |
| P1185 | FTS High Fuel Pump Temperature Sensor High |
| P1186 | FTS Low Fuel Pump Temperature Sensor Low |
| P1187 | Variant Selection |
| P1188 | Calibration Memory Fault |
| P1189 | Pump Speed Signal Fault |
| P1190 | Calibration Resistor Out Of Range |
| P1191 | Key Line Voltage |
| P1192 | Voltage External |
| P1193 | EGR Drive Overcurrent |
| P1194 | ECU A/D Converter |
| P1195 | SCP HBCC Failed To Initialize |
| P1196 | Key Off Voltage High |
| P1197 | Key Off Voltage Low |
| P1198 | Pump Rotor Control Underfueling |
| P1209 | Injector Control Pressure System Fault |
| P1210 | Injector Control Pressure Above Expected Level |
| P1211 | Injector Control Pressure Sensor Above Below Desired |
| P1212 | Injector Control Pressure Not Detected During Crank |
| P1213 | Start Injector Circuit Malfunction |
| P1214 | Pedal Position Sensor B Circuit Intermittent |
| P1215 | Pedal Position Sensor C Circuit Low Input |
| P1216 | Pedal Position Sensor C Circuit High Input |
| P1217 | Pedal Position Sensor C Circuit Intermittent |
| P1218 | CID High |
| P1219 | CID Low |
| P1220 | Series Throttle Control Fault |
| P1221 | Traction Control System Malfunction |
| P1222 | Traction Control Output Circuit Malfunction |
| P1223 | Pedal Demand Sensor B Circuit High Input |
| P1224 | Throttle Position Sensor B Out of Self-Test Range |
| P1227 | Wastegate Failed Closed Over Pressure |
| P1228 | Wastegate Failed Open Under Pressure |
| P1229 | Intercooler Pump Driver Fault |
| P1230 | Open Power to Fuel Pump Circuit |
| P1231 | High Speed Fuel Pump Relay Activated |
| P1232 | Low Speed Fuel Pump Primary Circuit Failure |
| P1233 | Fuel Pump Driver Module Off-Line |
| P1234 | Fuel Pump Driver Module Off-Line |
| P1235 | Fuel Pump Control Out of Range |
| P1236 | Fuel Pump Control Out of Range |
| P1237 | Fuel Pump Secondary Circuit Fault |
| P1238 | Fuel Pump Secondary Circuit Fault |
| P1239 | Speed Fuel Pump Positive Feed Fault |
| P1243 | Second Fuel Pump Faulty or Ground Fault |
| P1244 | Alternator Load Input Failed High |
| P1245 | Alternator Load Input Failed Low |
| P1246 | Alternator Load Input Failed |
| P1247 | Turbo Boost Pressure Low |
| P1248 | Turbo Boost Pressure Not Detected |
| P1249 | Wastegate Control Valve Performance |
| P1250 | Lack of Power to FPRC Solenoid |
| P1252 | Pedal Correlation PDS1 and LPDS High |
| P1253 | Pedal Correlation PDS1 and LPDS Low |
| P1254 | Pedal Correlation PDS2 and LPDS High |
| P1255 | Pedal Correlation PDS2 and LPDS Low |
| P1256 | Pedal Correlation PDS1 and HPDS |
| P1257 | Pedal Correlation PDS2 and HPDS |
| P1258 | Pedal Correlation PDS1 and PDS2 |
| P1260 | Theft Detected Engine Disabled |
| P1261 | Cylinder 1 High To Low Side Short |
| P1262 | Cylinder 2 High To Low Side Short |
| P1263 | Cylinder 3 High To Low Side Short |
| P1264 | Cylinder 4 High To Low Side Short |
| P1265 | Cylinder 5 High To Low Side Short |
| P1266 | Cylinder 6 High To Low Side Short |
| P1267 | Cylinder 7 High To Low Side Short |
| P1268 | Cylinder 8 High To Low Side Short |
| P1270 | Engine RPM or Vehicle Speed Limiter Reached |
| P1271 | Cylinder 1 High To Low Side Open |
| P1272 | Cylinder 2 High To Low Side Open |
| P1273 | Cylinder 3 High To Low Side Open |
| P1274 | Cylinder 4 High To Low Side Open |
| P1275 | Cylinder 5 High To Low Side Open |
| P1276 | Cylinder 6 High To Low Side Open |
| P1277 | Cylinder 7 High To Low Side Open |
| P1278 | Cylinder 8 High To Low Side Open |
| P1280 | Injection Control Pressure Out Of Range Low |
| P1281 | Injection Control Pressure Out Of Range High |
| P1282 | Excessive Injection Control Pressure |
| P1283 | IPR Circuit Failure |
| P1284 | Aborted KOER ICP Failure |
| P1285 | Cylinder Head Over Temp Sensed |
| P1286 | Fuel Pulse In Range But Lower Than Expected |
| P1287 | Fuel Pulse In Range But Higher Than Expected |
| P1288 | Cylinder Head Temperature Sensor Out of Self-Test Range |
| P1289 | Cylinder Head Temperature Sensor Signal Greater Than Self-Test Range |
| P1290 | Cylinder Head Temperature Sensor Signal Less Than Self-Test Range |
| P1291 | Injector High Side Short To GND Or VBATT Bank 1 |
| P1292 | Injector High Side Short To GND Or VBATT Bank 2 |
| P1293 | Injector High Side Open Bank 1 |
| P1294 | Injector High Side Open Bank 2 Target Idle Not Reached |
| P1295 | Multi-faults Bank 1 With Low Side Shorts |
| P1296 | Multi-faults Bank 2 With Low Side Shorts |
| P1297 | Injector High Sides Shorted Together |
| P1298 | IDM Failure |
| P1299 | Cylinder Head Temperature Sensor Detected Engine Overheating Condition |
| P1300 | Boost Calibration Fault |
| P1301 | Boost Calibration High |
| P1302 | Boost Calibration Low |
| P1303 | EGR Calibration Fault |
| P1304 | EGR Calibration High |
| P1305 | EGR Calibration Low |
| P1306 | Kickdown Relay Pull In Circuit Fault |
| P1307 | Kickdown Relay Hold Circuit Fault |
| P1308 | A/C Clutch Circuit Fault |
| P1309 | Misfire Detection Monitor Not Enabled |
| P1316 | Injector Circuit IDM Codes Detected |
| P1317 | Injector Circuit IDM Codes Not Updated |
| P1340 | Camshaft Position Sensor B Circuit Malfunction |
| P1351 | Ignition Diagnostic Monitor Circuit Input Fault |
| P1352 | Ignition Coil A Primary Circuit Fault |
| P1353 | Ignition Coil B Primary Circuit Fault |
| P1354 | Ignition Coil C Primary Circuit Fault |
| P1355 | Ignition Coil D Primary Circuit Fault |
| P1356 | Loss of Ignition Diagnostic Module Input to PCM |
| P1357 | Ignition Diagnostic Monitor Pulsewidth Not Defined |
| P1358 | Ignition Diagnostic Monitor Signal Out of Self-Test Range |
| P1359 | Spark Output Circuit Fault |
| P1360 | Ignition Coil A Secondary Circuit Malfunction |
| P1361 | Ignition Control IC Circuit Low Voltage |
| P1362 | Ignition Coil C Secondary Circuit Malfunction |
| P1363 | Ignition Coil D Secondary Circuit Malfunction |
| P1364 | Ignition Coil Primary Circuit Fault |
| P1365 | Ignition Coil Secondary Circuit Failure |
| P1369 | Engine Temperature Light Monitor Failure |
| P1380 | VCT Solenoid Valve Circuit Short or Open |
| P1381 | Cam Timing Advance is Excessive |
| P1383 | Cam Timing Advance is Excessive |
| P1385 | Variable Cam Timing Solenoid B Malfunction |
| P1386 | Variable Cam Timing Overadvanced Bank 2 |
| P1388 | Variable Cam Timing Overretarded Bank 2 |
| P1389 | Glow Plug Circuit High Side Low Input |
| P1390 | Octane Adjust Out of Self-Test Range |
| P1391 | Glow Plug Circuit Low Input Bank 1 |
| P1392 | Glow Plug Circuit High Input Bank 1 |
| P1393 | Glow Plug Circuit Low Input Bank 2 |
| P1394 | Glow Plug Circuit High Input Bank 2 |
| P1395 | Glow Plug Monitor Fault Bank 1 |
| P1396 | Glow Plug Monitor Fault Bank 2 |
| P1397 | System Voltage Out Of Self Test Range |
| P1399 | Glow Plug Circuit High Side High Input |
| P1400 | Differential Pressure Feedback Electronic Sensor Circuit Low Voltage |
| P1401 | Differential Pressure Feedback Electronic Sensor Circuit High Voltage |
| P1402 | EGR Metering Orifice Restricted |
| P1403 | Differential Pressure Feedback Electronic Sensor Hoses Reversed |
| P1404 | IAT B Circuit Malfunction Exhaust Gas Recirculation Closed Position Performance |
| P1405 | Differential Pressure Feedback Electronic Sensor Circuit Upstream Hose |
| P1406 | Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose |
| P1407 | EGR No Flow Detected |
| P1408 | EGR Flow Out of Self-Test Range |
| P1409 | EGR Vacuum Regulator Circuit Malfunction |
| P1410 | EGR Barometric Pressure Sensor VREF Voltage |
| P1411 | Secondary Air is Not being diverted |
| P1413 | Secondary Air Injection System Monitor Circuit Low Voltage |
| P1414 | Secondary Air Injection System Monitor Circuit High Voltage |
| P1431 | Misfire Monitor Disabled Unable to Learn Trigger Wheel Profile |
| P1442 | Secondary Air Injection System Monitor Circuit High Voltage |
| P1443 | Evaporative Emission Control System Vacuum System Purge Control Solenoid or Purge Control Valve Fault |
| P1444 | Purge Flow Sensor Circuit Input Low |
| P1445 | Purge Flow Sensor Circuit Input High |
| P1450 | Inability of Evaporative Emission Control System to Bleed Fuel Tank |
| P1451 | EVAP Control System Canister Vent Solenoid Circuit Malfunction |
| P1452 | Inability of Evaporative Emission Control System to Bleed Fuel Tank |
| P1455 | Substantial Leak or Blockage in Evaporative Emission Control System |
| P1457 | Unable To Pull Vacuum In Tank |
| P1460 | Wide Open Throttle Air Conditioning Cutoff Circuit Malfunction |
| P1461 | Air Conditioning Pressure Sensor Circuit Low Input |
| P1462 | Air Conditioning Pressure Sensor Circuit High Input |
| P1463 | Air Conditioning Pressure Sensor Insufficient Pressure Change |
| P1464 | ACCS to PCM High During Self-Test |
| P1465 | A/C Relay Circuit Malfunction |
| P1466 | A/C Refrigerant Temperature Sensor Circuit Malfunction |
| P1469 | Low Air Conditioning Cycling Period |
| P1473 | Fan Secondary High with Fans Off |
| P1474 | Low Fan Control Primary Circuit |
| P1479 | High Fan Control Primary Circuit |
| P1480 | Fan Secondary Low with Low Fans On |
| P1481 | Fan Secondary Low with High Fans On |
| P1482 | SCP |
| P1483 | Power to Cooling Fan Exceeded Normal Draw |
| P1484 | Variable Load Control Module Pin 1 Open |
| P1485 | EGRV Circuit Malfunction |
| P1500 | Vehicle Speed Sensor Intermittent |
| P1501 | Programmable Speedometer & Odometer Module Vehicle Speed Sensor Intermittent Circuit Failure |
| P1502 | Invalid or Missing Vehicle Speed Message or Brake Data |
| P1504 | Intake Air Control Circuit Malfunction |
| P1505 | Idle Air Control System at Adaptive Clip |
| P1506 | Idle Air Control Over Speed Error |
| P1507 | Idle Air Control Under Speed Error |
| P1512 | Intake Manifold Runner Control Stuck Closed |
| P1513 | Intake Manifold Runner Control Stuck Closed |
| P1516 | Intake Manifold Runner Control Input Error |
| P1517 | Intake Manifold Runner Control Input Error |
| P1518 | Intake Manifold Runner Control Fault Stuck Open |
| P1519 | Intake Manifold Runner Control Stuck Open |
| P1520 | Intake Manifold Runner Control Circuit Fault |
| P1530 | Open or Short to A/C Compressor Clutch Circuit |
| P1531 | Invalid Test Accelerator Pedal Movement |
| P1532 | IMCC Circuit Malfunction Bank B |
| P1533 | AAI Circuit Malfunction |
| P1534 | Inertia Switch Activated |
| P1536 | Parking Brake Switch Circuit Failure |
| P1537 | Intake Manifold Runner Control Stuck Open |
| P1538 | Intake Manifold Runner Control Stuck Open |
| P1539 | Power to A/C Compressor Clutch Circuit Exceeded Normal Current Draw |
| P1549 | Intake Manifold Temperature Valve Vacuum Actuator Connection |
| P1550 | Power Steering Pressure Sensor Out of Self-Test Range |
| P1565 | Speed Control Command Switch Out of Range High |
| P1566 | Speed Control Command Switch Out of Range Low |
| P1567 | Speed Control Output Circuit Continuity |
| P1568 | Speed Control Unable to Hold Speed |
| P1572 | Brake Pedal Switch Circuit Malfunction |
| P1573 | Throttle Position Not Available |
| P1574 | Throttle Position Sensor Disagreement Between Sensors |
| P1575 | Pedal Position Out of Self Test Range |
| P1576 | Pedal Position Not Available |
| P1577 | Pedal Position Sensor Disagreement Between Sensors |
| P1578 | ETC Power Less Than Demand |
| P1579 | ETC In Power Limiting Mode |
| P1580 | Electronic Throttle Monitor PCM Override |
| P1581 | Electronic Throttle Monitor Malfunction |
| P1582 | Electronic Throttle Monitor Data Available |
| P1583 | Electronic Throttle Monitor Cruise Disable |
| P1584 | Throttle Control Detected ETB Malfunction |
| P1585 | Throttle Control Unit Malfunction |
| P1586 | Throttle Control Unit Throttle Position Malfunction |
| P1587 | Throttle Control Unit Modulated Command Malfunction |
| P1588 | Throttle Control Unit Detected Loss of Return Spring |
| P1589 | Throttle Control Unit Unable To Control Desired Throttle Angle |
| P1600 | Loss of KAM Power Open Circuit |
| P1605 | PCM Keep Alive Memory Test Error |
| P1625 | Voltage to Vehicle Load Control Module Fan Circuit Not Detected |
| P1626 | Voltage to Vehicle Load Control Module Circuit Not Detected |
| P1634 | Data Output Link Circuit Failure |
| P1635 | Tire Axle Ratio Out of Acceptable Range |
| P1636 | Inductive Signature Chip Communication Error |
| P1639 | Vehicle ID Block Corrupted or Not Programmed |
| P1640 | Powertrain DTCs Available in Another Module |
| P1641 | Fuel Pump Primary Circuit Failure |
| P1642 | Fuel Pump Monitor Circuit High Input |
| P1643 | Fuel Pump Monitor Circuit Low Input |
| P1644 | Fuel Pump Speed Control Circuit Malfunction |
| P1650 | Power Steering Pressure Switch Out of Self-Test Range |
| P1651 | Power Steering Pressure Switch Input Fault |
| P1656 | CAN Link PCM PCM Circuit Network |
| P1657 | CAN Link Chip Malfunction |
| P1660 | Output Circuit Check Signal High |
| P1661 | Output Circuit Check Signal Low |
| P1662 | IDM_EN Circuit Failure |
| P1663 | Fuel Demand Command Signal Circuit Malfunction |
| P1667 | CI Circuit Malfunction |
| P1668 | PCM IDM Communications Error |
| P1670 | Electronic Feedback Signal Not Detected |
| P1690 | Wastegate Solenoid Circuit Malfunction |
| P1700 | Transmission system problems |
| P1701 | Reverse Engagement Error |
| P1702 | Transmission system problems |
| P1703 | Brake On Off Switch Out of Self-Test Range |
| P1704 | Transmission system problems |
| P1705 | Manual Lever Position Sensor Out of Self-Test Range |
| P1706 | High Vehicle Speed Observed in Park |
| P1707 | Transfer Case Neutral Indicator Hard Fault Present |
| P1709 | Park or Neutral Position Switch Out of Self-Test Range |
| P1710 | Transmission system problems |
| P1711 | Transmission Fluid Temperature Sensor Out of Self-Test Range |
| P1712 | Trans Torque Reduction Request Signal Malfunction |
| P1713 | TFT Sensor In Range Failure Low Value |
| P1714 | SSA Inductive Signature Malfunction |
| P1715 | SSB Inductive Signature Malfunction |
| P1716 | SSC Inductive Signature Malfunction |
| P1717 | SSD Inductive Signature Malfunction |
| P1718 | TFT Sensor In Range Failure High |
| P1720 | Vehicle Speed Meter Circuit Malfunction |
| P1721 | Gear 1 Incorrect Ratio |
| P1722 | Gear 2 Incorrect Ratio |
| P1723 | Gear 3 incorrect Ratio |
| P1724 | Gear 4 Incorrect Ratio |
| P1725 | Insufficient Engine Speed Increase During Self Test |
| P1726 | Insufficient Engine Speed Decrease During Self Test |
| P1727 | Coast Clutch Solenoid Inductive Signature Malfunction |
| P1728 | Transmission Slip Error |
| P1729 | 4x4 Low Switch Error |
| P1731 | 1-2 Shift Malfunction |
| P1732 | 2-3 Shift Malfunction |
| P1733 | 3-4 Shift Malfunction |
| P1740 | Transmission system problems |
| P1741 | Torque Converter Clutch Control Error |
| P1742 | Torque Converter Clutch Solenoid Faulty |
| P1743 | Torque Converter Clutch Solenoid Faulty |
| P1744 | Torque Converter Clutch System Stuck in Off Position |
| P1745 | Transmission system problems |
| P1746 | Electronic Pressure Control Solenoid A Open Circuit |
| P1747 | Electronic Pressure Control Solenoid A Short Circuit |
| P1748 | EPC Malfunction |
| P1749 | Electronic Pressure Control Solenoid Failed Low |
| P1751 | Shift Solenoid A Performance |
| P1754 | Coast Clutch Solenoid Circuit Malfunction |
| P1756 | Shift Solenoid B Performance |
| P1760 | Transmission system problems |
| P1761 | Shift Solenoid C Performance |
| P1762 | Overdrive Band Failed Off |
| P1766 | Shift Solenoid D Performance |
| P1767 | Torque Converter Clutch Circuit Malfunction |
| P1768 | Performance Normal Winter Mode Input Malfunction |
| P1770 | Clutch Solenoid Circuit Malfunction |
| P1779 | Transmission Control Indicator Lamp Circuit Malfunction |
| P1780 | Transmission Control Switch Circuit is Out of Self-Test Range |
| P1781 | 4x4 Low Switch is Out of Self-Test Range |
| P1782 | P/ES Circuit Out Of Self Test Range |
| P1783 | Transmission Over-Temperature Condition |
| P1784 | Transmission Mechanical Failure First And Reverse |
| P1785 | Transmission Mechanical Failure First And Second |
| P1786 | 3-2 Downshift Error |
| P1787 | 2-1 Downshift Error |
| P1788 | Pressure Control Solenoid B Open Circuit |
| P1789 | Pressure Control Solenoid B Short Circuit |
| P1795 | Idle Switch Circuit Malfunction |
| P1804 | Transmission 4-Wheel Drive High Indicator Circuit Failure |
| P1806 | Transmission 4-Wheel Drive High Indicator Short Circuit To Battery |
| P1808 | Transmission 4-Wheel Drive Low Indicator Circuit Failure |
| P1810 | TFP Valve Position Switch Circuit Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery |
| P1812 | Transmission 4-Wheel Drive Mode Select Circuit Failure |
| P1815 | Transmission 4-Wheel Drive Mode Select Short Circuit To Ground |
| P1819 | Transmission Neutral Safety Switch Short Circuit To Ground |
| P1820 | Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure |
| P1822 | Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery |
| P1824 | Transmission 4-Wheel Drive Clutch Relay Circuit Failure |
| P1826 | Transmission 4-Wheel Drive Low Clutch Relay Circuit To Battery |
| P1828 | Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure |
| P1830 | Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Battery |
| P1832 | Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure |
| P1834 | Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To Battery |
| P1838 | Transmission Transfer Case Shift Motor Circuit Failure |
| P1846 | Transmission Transfer Case Contact Plate A Circuit Failure |
| P1850 | Transmission Transfer Case Contact Plate B Circuit Failure |
| P1854 | Transmission Transfer Case Contact Plate C Circuit Failure |
| P1858 | Transmission Transfer Case Contact Plate D Circuit Failure |
| P1866 | Transmission Transfer Case System Concern Servicing Required |
| P1867 | Transmission Transfer Case Contact Plate General Circuit Failure |
| P1876 | Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure |
| P1877 | Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery |
| P1881 | Engine Coolant Level Switch Circuit Failure GEM |
| P1882 | Engine Coolant Level Switch Circuit Short to Ground |
| P1883 | Engine Coolant Level Switch Circuit Failure GEM |
| P1884 | Engine Coolant Level Lamp Circuit Short to Ground |
| P1891 | Transmission Transfer Case Contact Plate Ground Return Open Circuit |
| P1900 | Output Shaft Speed OSS Circuit Intermittent Malfunction |
| P1901 | Turbine Shaft Speed TSS Circuit Intermittent Malfunction |
| P1902 | Kickdown Solenoid Relay Control Circuit |
| P1903 | Kickdown Solenoid Circuit Low Voltage |
| P1904 | Kickdown Solenoid Circuit High Voltage |
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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.