Welcome, fellow automotive enthusiasts, to an exciting journey into the world of Mercury fault codes! As a seasoned mechanic with years of experience, I understand the frustration that comes with encountering a mysterious fault code.
But fear not, I am here to guide you through this complex world and help you conquer any code that comes your way.
In this article, we will fault codes in your Mercury, equipping you with the knowledge to help you tackle automotive issues head-on.
So, let’s get started!
Mercury Fault Codes List and Definition
Free download: Mercury OBD2 Manufacturer-specific Codes List and Meaning PDF
Note: Quickly locate the codes you need using the search box in the table below.
| Code | Definition |
|---|---|
| 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 |
| P1102 | Mass Air Flow Sensor In Range But Lower Than Expected |
| 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 (TP) Sensor Inconsistent With Mass Air Flow (MAF) Sensor Signal |
| P1123 | Throttle Position Sensor Circuit Intermittent High Voltage |
| P1124 | Throttle Position (TP) Sensor -Signal Malfunction |
| P1125 | Throttle Position (TP) Sensor -Circuit Intermittent |
| P1127 | Self-Test Not Completed -Heated Oxygen Sensor(H02S), Not Tested |
| P1128 | Heated Oxygen Sensor (H02S) 1, Bank 1/ Bank 2 Interchanged |
| P1129 | Heated Oxygen Sensor (H02S) 2, Bank 1/ Bank 2 -Interchanged |
| P1130 | Heated Oxygen Sensor (H02S) 1, Bank 1 -Fuel Trim (FT), At Limit |
| P1131 | Heated Oxygen Sensor (H02S) 1, Bank 1 Not Switching, Fuel Trim (FT) Weak Mixture |
| P1132 | Heated Oxygen Sensor (H02S) 1, Bank 1 Not Switching, Fuel Trim (FT) Rich Mixture |
| P1133 | Bank 1 Fuel Control Shifted Lean |
| P1136 | Crankshaft Position Sensor And Or Camshaft Position Sensor Input Signal To PCM Concerns |
| P1137 | Heated Oxygen Sensor (H02S) 2, Bank 1 Not Switching, Fuel Trim (FT) Weak Mixture |
| P1138 | Heated Oxygen Sensor (H02S) 2, Bank 1 Not Switching•, Fuel Trim (FT) Rich Mixture |
| P1140 | Water In Fuel Condition |
| P1148 | Fuel Trim (FT) -Malfunction |
| P1150 | Heated Oxygen Sensor (H02S) 1, Bank 2 -Fuel Trim(FT), At Limit |
| P1151 | Heated Oxygen Sensor (H02S) 1, Bank 2 Not Switching, Fuel Trim (FT) Weak Mixture |
| P1152 | Heated Oxygen Sensor (H02S) 1, Bank 2 Not Switching, Fuel Trim (FT) Rich Mixture |
| P1156 | Engine Control Module (ECM)/Fuel Injector Control Module -Malfunction |
| P1157 | Heated Oxygen Sensor (H02S) 2, Bank 2 Not Switching, Fuel Trim (FT) Weak Mixture |
| P1158 | Heated Oxygen Sensor (H02S) 2, Bank 2 Not Switching, Fuel Trim (FT) Rich Mixture |
| P115E | Engine Control Module (ECM) -Data Transmission Fault |
| P1168 | Fuel Rail Pressure Sensor -Signal Low |
| P1169 | Fuel Rail Pressure Sensor -Signal High |
| P117A | Engine Control Module (ECM) -Engine Oil Temperature |
| P1180 | Fuel Delivery System -Pressure Low |
| P1181 | Fuel Delivery System -Pressure High |
| P1183 | Engine Oil Temperature (EOT) Sensor -Circuitmalfunction |
| P1184 | Engine Oil Temperature (EOT) Sensor -Out Of Self-Test Range |
| P1217 | Engine Overheating |
| P1229 | Supercharger (SC) Intercooler Pump |
| P1230 | Low Speed Fuel Pump Fault Condition |
| P1231 | High Speed Fuel Pump Relay Activated |
| P1232 | Low Speed Fuel Pump -Malfunction |
| P1233 | Fuel System -Malfunction |
| P1234 | Fuel System -Malfunction |
| P1235 | Fuel Pump Control -Signal Malfunction |
| P1236 | Fuel Pump Control -Signal Malfunction |
| P1237 | Fuel Pump -Circuit Malfunction |
| P1238 | Fuel Pump -Circuit Malfunction |
| P1243 | Second Fuel Pump Faulty Or Ground Fault |
| P1244 | Alternator -High Input |
| P1245 | Alternator -Low Input |
| P1246 | Alternator |
| P1250 | Lack Of Power To Fuel Pressure Regulator Control Solenoid |
| P1260 | Theft Detected -Vehicle Immobilized |
| P1261 | Injector Circuit, Cylinder 1 -High To Low Side Short |
| P1262 | Injector Circuit, Cylinder 2 -High To Low Side Short |
| P1263 | Injector Circuit, Cylinder 3 -High To Low Side Short |
| P1264 | Injector Circuit, Cylinder 4 -High To Low Side Short |
| P1265 | Injector Circuit, Cylinder 5 -High To Low Side Short |
| P1266 | Injector Circuit, Cylinder 6 -High To Low Side Short |
| P1267 | Injector Circuit, Cylinder 7 -High To Low Side Short |
| P1268 | Injector Circuit” Cylinder 8 -High To Low Side Short |
| P1270 | Maximum Engine RPM Or Vehicle Speed Limit Reached |
| P1271 | Injector Circuit, Cylinder 1 -High To Low Side Open |
| P1272 | Injector Circuit, Cylinder 2 -High To Low Side Open |
| P1273 | Injector Circuit, Cylinder 3 -High To Low Side Open |
| P1274 | Injector Circuit, Cylinder 4 -High To Low Side Open |
| P1275 | Injector Circuit, Cylind_Er ,5 -High To Low Side Open |
| P1276 | Injector Circuit, Cylinder 6 -High To Low Side Open |
| P1277 | Injector Circuit, Cylinder 7 -High To Low Side Open |
| P1278 | Injector Circuit, Cylinder 8 -High To Low Side Open |
| P1285 | Cylinder Head Temperature (CHT) Sensor Overheat Condition |
| P1288 | Cylinder Head Temperature (CHT) Sensor -Out Of Self-Test Range |
| P1289 | Cylinder Head Temperature (CHT) Sensor Highinput |
| P128A | Engine Control Module (ECM)/Cylinder Headtemperature (CHT) Sensor -High Input |
| P1290 | Cylinder Head Temperature (CHT) Sensor -Low Input |
| P1299 | Cylinder Head Temperature (CHT) Sensor Over Temperature Condition |
| P1309 | Misfire Monitor Disabled |
| P1320 | Ignition Check Signal Missing |
| P1336 | Crankshaft Position (CKP) Sensor |
| 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 |
| P1420 | Catalyst Temperature Sensor |
| P1421 | Catalyst Damage |
| P1422 | Exhaust Gas Ignition Temperature Sensor |
| P1431 | Misfire Monitor Disabled, Unable To Learn Trigger Wheel Profile |
| P1432 | Engine Thermostat Heater -Circuit Malfunction |
| P1436 | Alc Evaporator Temperature Sensor -Low Input |
| P1437 | Alc Evaporator Temperature Sensor -High Input |
| P1440 | Evaporative Emission (EVAP) System -Small Leak Detected |
| 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 |
| P1446 | Evaporative Emission (EVAP) Canister Purge Valve -Remains Closed |
| P1447 | Evaporative Emission (EVAP) System -Malfunction/Leak Detected |
| P1448 | Evaporative Emission (EVAP) Canister Purge Valve -Remains Open |
| 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 |
| P145E | Positive Crankcase Ventilation (PCV) Heater Circuit Malfunction |
| 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 |
| P1489 | Crankcase Breather Heater -Circuit Malfunction |
| P1490 | Evaporative Emission (EVAP) Canister Purge Valve Bypass Solenoid |
| P1491 | Evaporative Emission (EVAP) Canister Purge Valve Bypass Solenoid -Malfunction |
| P1492 | Evaporative Emission (EVAP) Canister Purge Valve -Circuit Malfunction |
| P1493 | Evaporative Emission (EVAP) Canister Purge Valve -Malfunction, Stuck Open |
| 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 Stuck Closed |
| P1517 | Intake Manifold Runner Control Input Error |
| P1518 | Intake Manifold Runner Control Input Error |
| P1519 | Intake Manifold Runner Control Fault – Stuck Open |
| P151A | Intake Manifold Runner Control Stuck Open |
| P1520 | Intake Manifold Runner Control (IMRC) Module -Malfunction |
| P1530 | Intake Manifold Runner Control Circuit Fault |
| P1531 | Open Or Short To A/C Compressor Clutch Circuit |
| P1532 | Invalid Test – Accelerator Pedal Movement |
| P1533 | Imcc Circuit Malfunction, Bank B |
| P1534 | Aai Circuit Malfunction |
| P1536 | Inertia Switch Activated |
| P1537 | Parking Brake Switch Circuit Failure |
| P1538 | Intake Manifold Runner Control Stuck Open |
| P1539 | Intake Manifold Runner Control Stuck Open |
| P1549 | Power To A/C Compressor Clutch Circuit Exceeded Normal Current Draw |
| P1550 | Intake Manifold Temperature Valve Vacuum Actuator Connection |
| P1561 | Power Steering Pressure Sensor Out Of Self-Test Range |
| P1565 | Brake Line Pressure Sensor Circuit |
| P1566 | Speed Control Command Switch Out Of Range High |
| P1567 | Speed Control Command Switch Out Of Range Low |
| P1568 | Speed Control Output Circuit Continuity |
| P1572 | Speed Control Unable To Hold Speed |
| P1573 | Brake Pedal Switch Circuit Malfunction |
| P1574 | Throttle Position Not Available |
| P1575 | Throttle Position Sensor Disagreement Btwn Sensors |
| P1576 | Pedal Position Out Of Self Test Range |
| P1577 | Pedal Position Not Available |
| P1578 | Pedal Position Sensor Disagreement Btwn Sensors |
| P1579 | Etc Power Less Than Demand |
| P1580 | Etc In Power Limiting Mode |
| P1581 | Electronic Throttle Monitor Pcm Override |
| P1582 | Electronic Throttle Monitor Malfunction |
| P1583 | Electronic Throttle Monitor Data Available |
| P1584 | Electronic Throttle Monitor Cruise Disable |
| P1585 | Throttle Control Detected Etb Malfunction |
| P1586 | Throttle Control Unit Malfunction |
| P1587 | Throttle Control Unit Throttle Position Malfunction |
| P1588 | Throttle Control Unit Modulated Command Malfunction |
| P1589 | Throttle Control Unit Detected Loss Of Return Spring |
| P1600 | Throttle Control Unit Unable To Control Desired Throttle Angle |
| P1605 | Loss Of KAM Power – Open Circuit |
| P1625 | Pcm Keep Alive Memory Test Error |
| P1626 | Voltage To Vehicle Load Control Module Fan Circuit Not Detected |
| P1634 | Voltage To Vehicle Load Control Module Circuit Not Detected |
| P1635 | Data Output Link Circuit Failure |
| P1636 | Tire / Axle Ratio Out Of Acceptable Range |
| P1639 | Inductive Signature Chip Communication Error |
| P1640 | Vehicle ID Block Corrupted Or Not Programmed |
| P1641 | Powertrain Dtcs Available In Another Module |
| P1642 | Fuel Pump Primary Circuit Failure |
| P1643 | Fuel Pump Monitor Circuit High Input |
| P1644 | Fuel Pump Monitor Circuit Low Input |
| P1646 | Fuel Pump Speed Control Circuit Malfunction |
| P1647 | Engine Control Module (ECM) -Linear Oxygen Sensor (02S) Control, Bank 1 |
| P1650 | Engine Control Module (ECM) -Linear Oxygen Sensor (02S) Control, Bank 2 |
| P1651 | Power Steering Pressure Switch Out Of Self-Test Range |
| P1656 | Power Steering Pressure Switch Input Fault |
| P1657 | Can Link Pcm – Pcm Circuit – Network |
| P1660 | Can Link Chip Malfunction |
| P1661 | Output Circuit Check Signal High |
| P1662 | Output Circuit Check Signal Low |
| P1663 | Idm_En Circuit Failure |
| P1667 | Fuel Demand Command Signal Circuit Malfunction |
| P1668 | Ic Circuit Malfunction |
| P1670 | Pcm – Idm Communications Error |
| P1674 | Electronic Feedback Signal Not Detected |
| P1690 | Engine Control Module (ECM) -Malfunction |
| P1700 | Wastegate Solenoid Circuit Malfunction |
| P1701 | Transmission System Problems |
| P1702 | Reverse Engagement Error |
| P1703 | Transmission System Problems |
| P1704 | Brake On/Off Switch Out Of Self-Test Range |
| P1705 | Transmission System Problems |
| P1706 | Manual Lever Position Sensor Out Of Self-Test Range |
| P1707 | High Vehicle Speed Observed In Park |
| P1709 | Transfer Case Neutral Indicator Hard Fault Present |
| P1710 | Park Or Neutral Position Switch Out Of Self-Test Range |
| P1711 | Transmission System Problems |
| P1712 | Transmission Fluid Temperature Sensor Out Of Self-Test Range |
| P1713 | Trans Torque Reduction Request Signal Malfunction |
| P1714 | Tft Sensor In Range Failure Low Value |
| P1715 | Ssa Inductive Signature Malfunction |
| P1716 | Ssb Inductive Signature Malfunction |
| P1717 | Ssc Inductive Signature Malfunction |
| P1718 | Ssd Inductive Signature Malfunction |
| P1720 | Tft Sensor In Range Failure High |
| P1721 | Vehicle Speed (Meter) Circuit Malfunction |
| P1722 | Gear 1 Incorrect Ratio |
| P1723 | Gear 2 Incorrect Ratio |
| P1724 | Gear 3 Incorrect Ratio |
| P1725 | Gear 4 Incorrect Ratio |
| P1726 | Insufficient Engine Speed Increase During Self Test |
| P1727 | Insufficient Engine Speed Decrease During Self Test |
| P1728 | Coast Clutch Solenoid Inductive Signature Malfunction |
| P1729 | Transmission Slip Error |
| P1731 | 4×4 Low Switch Error |
| P1732 | 1-2 Shift Malfunction |
| P1733 | 2-3 Shift Malfunction |
| P1740 | 3-4 Shift Malfunction |
| P1741 | Transmission System Problems |
| P1742 | Torque Converter Clutch Control Error |
| P1743 | Torque Converter Clutch Solenoid Faulty |
| P1744 | Torque Converter Clutch Solenoid Faulty |
| P1745 | Torque Converter Clutch System Stuck In Off Position |
| P1746 | Transmission System Problems |
| P1747 | Electronic Pressure Control Solenoid A – Open Circuit |
| P1748 | Electronic Pressure Control Solenoid A- Short Circuit |
| P1749 | Epc Malfunction |
| P1751 | Electronic Pressure Control Solenoid Failed Low |
| P1754 | Shift Solenoid A Performance |
| P1756 | Coast Clutch Solenoid Circuit Malfunction |
| P1760 | Shift Solenoid B Performance |
| P1761 | Transmission System Problems |
| P1762 | Shift Solenoid C Performance |
| P1766 | Overdrive Band Failed Off |
| P1767 | Shift Solenoid D Performance |
| P1768 | Torque Converter Clutch Circuit Malfunction |
| P1770 | Performance / Normal / Winter Mode Input Malfunction |
| P1779 | Clutch Solenoid Circuit Malfunction |
| P1780 | Transmission Control Indicator Lamp Circuit Malfunction |
| P1781 | Transmission Control Switch Circuit Is Out Of Self-Test Range |
| P1782 | 4×4 Low Switch Is Out Of Self-Test Range |
| P1783 | P/Es Circuit Out Of Self Test Range |
| P1784 | Transmission Over-Temperature Condition |
| P1785 | Transmission Mechanical Failure – First And Reverse |
| P1786 | Transmission Mechanical Failure – First And Second |
| P1787 | 3-2 Downshift Error |
| P1793 | 2-1 Downshift Error |
| P1795 | Ignition Supply Malfunction |
| P1804 | Idle Switch Circuit Malfunction |
| P1806 | Transmission 4-Wheel Drive High Indicator Circuit Failure |
| P1808 | Transmission 4-Wheel Drive High Indicator Short Circuit To Battery |
| P1809 | Transmission 4-Wheel Drive Low Indicator Circuit Failure |
| P1810 | Transmission 4-Wheel Drive Low Indicator Open Circuit |
| P1812 | Tfp Valve Position Switch Circuit/ Transmission 4-Wheel Drive Low Indicator Short Circuit To Battery |
| P1815 | Transmission 4-Wheel Drive Mode Select Circuit Failure |
| P1819 | Transmission 4-Wheel Drive Mode Select Short Circuit To Ground |
| P1820 | Transmission Neutral Safety Switch Short Circuit To Ground |
| P1822 | Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure |
| P1824 | Transmission Transfer Case Clockwise Shift Relay Coil Short Circuit To Battery |
| P1826 | Transmission 4-Wheel Drive Clutch Relay Circuit Failure |
| P1828 | Transmission 4-Wheel Drive Low Clutch Relay Circuit To Battery |
| P1830 | Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure |
| P1832 | Transmission Transfer Case Counter Clockwise Shift Relay Coil Short Circuit To Battery |
| P1834 | Transmission Transfer Case Differential Lock-Up Solenoid Circuit Failure |
| P1838 | Transmission Transfer Case Differential Lock-Up Solenoid Short Circuit To Battery |
| P1840 | Transmission Transfer Case Shift Motor Circuit Failure |
| P1846 | Transmission Transfer Case Shift Motor Short Circuit To Battery |
| P1850 | Transmission Transfer Case Contact Plate ‘A’ Circuit Failure |
| P1852 | Transmission Transfer Case Contact Plate ‘B’ Circuit Failure |
| P1854 | Brake Band Apply Solenoid Low Input Voltage |
| P1857 | Transmission Transfer Case Contact Plate ‘C’ Circuit Failure |
| P1858 | Transmission Transfer Case Contact Plate ‘C’ Short Circuit To Ground |
| P1859 | Transmission Transfer Case Contact Plate ‘D’ Circuit Failure |
| P1862 | Transmission Transfer Case Contact Plate ‘D’ Open Circuit |
| P1863 | Transmission Transfer Case Contact Plate Power Circuit Failure |
| P1866 | Transmission Transfer Case Contact Plate Power Open Circuit |
| P1867 | Transmission Transfer Case System Concern – Servicing Required |
| P1869 | Transmission Transfer Case Contact Plate General Circuit Failure |
| P1876 | Lamp Air Bag Warning Indicator Circuit Open Or Short To Ground |
| P1877 | Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Failure |
| P1878 | Transmission Transfer Case 2-Wheel Drive Solenoid Circuit Short To Battery |
| P1881 | Transmission Transfer Case Disengaged Solenoid Circuit Failure |
| P1882 | Engine Coolant Level Switch Circuit Failure, Gem |
| P1883 | Engine Coolant Level Switch Circuit Short To Ground |
| P1884 | Engine Coolant Level Switch Circuit Failure, Gem |
| P1889 | Engine Coolant Level Lamp Circuit Short To Ground |
| P1891 | Drive Train Axles Bearings Problem |
| P1900 | Transmission Transfer Case Contact Plate Ground Return Open Circuit |
| P1901 | Output Shaft Speed (Oss) Circuit Intermittent Malfunction |
| P1902 | Turbine Shaft Speed (Tss) Circuit Intermittent Malfunction |
| P1903 | Kickdown Solenoid Relay Control Circuit |
| P1904 | Kickdown Solenoid Circuit Low Voltage |
| P1910 | Kickdown Solenoid Circuit High Voltage |
| P1919 | Reversing Lamps -Circuit Malfunction |
| P1922 | Engine Coolant Temperature Signal |
| P1924 | Fuel Additive Level Circuit Malfunction |
| P1925 | Fuel Additive Level Circuit Low |
| P1926 | Can Data Bus Tcs/Abs |
| P1927 | Fuel Additive Level Circuit Range/Performance |
| P1928 | Fuel Additive Level Too Low/Empty |
| P1929 | Fuel Additive Level Pump Control Circuit/Open |
| P1930 | Fuel Additive Level Pump Control Circuit Performance |
| P1931 | Fuel Additive Level Too Low/Empty |
| P1932 | Fuel Additive Pump Control Circuit/Open |
| P1934 | Fuel Additive Pump Control Circuit Performance |
| P1935 | Fuel Additive Pump Control Circuit High |
| P1936 | Fuel Additive Level Low |
| P1937 | Fuel Level Signal |
| P1938 | Vehicle Speed Signal |
| P1939 | Brake Switch/Sensor Signal |
| U1020 | Clutch Switch/Sensor Signal |
| U1021 | CAN Data Bus, NC NC Compressor Clutch Invalid Or Missing Data |
| U1039 | CAN Data Bus, Alc -Communication Error |
| U1041 | CAN Data Bus, Antilock Brake System (ABS)Vehicle Speed Invalid Or Missing Data |
| U1051 | CAN Data Bus, Antilock Brake System (ABS) Vehicle Speed Invalid Or Missing Data |
| U1089 | CAN Data Bus, Engine Control Module (ECM) -Brake Signal Invalid Or Missing Data |
| U1098 | CAN Data Bus, Active Suspension -Invalid Ormissing Data |
| U1130 | CAN Data Bus, Antilock Brake System (ABS) Vehicle Speed Invalid Or Missing Data |
| U1131 | CAN Data Bus, Fuel Pump -Communication Error |
| U1137 | CAN Data Bus, Fuel Pump -Communication Error |
| U1147 | CAN Data Bus, Instrument Panel Waming Devices -Invalid Or Missing Data |
| U1243 | CAN Data Bus, Alarm |
| U1262 | CAN Data Bus, Alc -Invalid Or Missing Data |
| U1451 | CAN Data Bus -Communication Error |
| U2015 | CAN Data Bus, Alarm |
| U2195 | Signal Link Fault |
For those unfamiliar with interpreting an OBD2 code, click HERE to learn more.
Read more: MERCURY Outboard Motor Codes
Final Thoughts
Having a comprehensive list of Mercury fault codes at your disposal empowers you to tackle automotive problems with confidence.
We encourage you to share your experiences and insights in the comments section below. And while you’re at it, don’t forget to explore our reviews of OBD2 scanners, helping you find the perfect scanner for your beloved Mercury.
Remember, knowledge is key when it comes to maintaining and troubleshooting your Mercury vehicle.
Thanks for taking the time to read our post!
References
- Mercury Factory Error Codes, avtotachki.com
- OBDII Mercury Code Definitions, troublecodes.net
