LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1996 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Module Communications Network System >> Diagnostic Trouble Code Definitions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Definitions

ANTI-LOCK BRAKE (ABS) MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
C1095 Hydraulic Pump Motor Failure (1)
C1145 RF Speed Sensor-Input Circuit Failure (1)
C1148 RF Speed Sensor-Coherency Fault (1)
C1155 LF Speed Sensor-Input Circuit Failure (1)
C1158 LF Speed Sensor-Coherency Fault (1)
C1165 RR Speed Sensor-Input Circuit Failure (1)
C1168 RR Speed Sensor-Coherency Fault (1)
C1175 LR Speed Sensor-Input Circuit Failure (1)
C1178 LR Speed Sensor-Coherency Fault (1)
C1194 LF Dump Valve Coil-Circuit Failure (2)
C1198 LF ISOL Valve Coil-Circuit Failure (2)
C1210 RF Dump Valve Coil-Circuit Failure (2)
C1214 RF Inlet Valve-Circuit Failure (2)
C1233 LF Wheel Speed-Input Signal Missing (1)
C1234 RF Wheel Speed-Input Signal Missing (1)
C1235 RR Wheel Speed-Input Signal Missing (1)
C1236 LR Wheel Speed-Input Signal Missing (1)
C1242 LR Dump Valve Coil-Circuit Failure (2)
C1246 RR Dump Valve Coil-Circuit Failure (2)
C1250 LR ISOL Valve Coil-Circuit Failure (2)
C1254 RR ISOL Valve Coil-Circuit Failure (2)
C1258 LF Wheel Speed-Signal Mismatch (1)
C1259 RF Wheel Speed-Signal Mismatch (1)
C1260 RR Wheel Speed-Signal Mismatch (1)
C1261 LR Wheel Speed-Signal Mismatch (1)
C1267 ABS Function-Disabled Temporarily (3)
C1400 RF Traction Control Valve-Circuit Failure (2)
C1410 LF Traction Control-Circuit Failure (2)
B1317 Battery Voltage High (1)
B1342 ECU Defective (4)
(1) See appropriate ANTI-LOCK article in CHASSIS SERVICE & REPAIR.
(2) Replace ABS Control Module. See appropriate ANTI-LOCK article in CHASSIS SERVICE & REPAIR.
(3) Clear code. Test drive vehicle. Verify no code is stored. System is okay.
(4) Record DTC's. Clear DTC's. Repeat self test. If DTC B1342 returns, replace ECU.
DRIVER DOOR MODULE (DDM) DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1319 Driver's Door Ajar-Short Circuit To Ground (1)
B1396 PWR Door Lock-Short To B+ (1)
B1514 Driver Door Handle Switch Short To Ground (1)
B1517 Seat Occupied Switch Short To Battery (3)
B1525 Keyless Entry-Short To B+ (1)
B1549 Master Power Window-Short To B+ (2)
B1553 Decklid Release-Short To B+ (1)
B1751 Park/Neutral Switch-Short To B+ (3)
(1) See appropriate POWER DOOR LOCKS article in ACCESSORIES & EQUIPMENT.
(2) See appropriate POWER WINDOWS article in ACCESSORIES & EQUIPMENT.
(3) See appropriate POWER SEATS article in ACCESSORIES & EQUIPMENT.
DRIVER'S SEAT MODULE (DSM) DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1342 ECU Defective (1)
B1529 Memory Set SW-Short To B+ (2)
B1533 Memory 1 SW-Short To B+ (2)
B1537 Memory 2 SW-Short To B+ (2)
B1663 Driver Seat Front Up/Down-Circuit Failure (3)
B1664 Driver Seat Rear Up/Down-Circuit Failure (3)
B1665 Driver Seat FWD/BWD-Circuit Failure (3)
B1666 Driver Seat Recline-Circuit Failure (3)
B1667 Driver Mirror UP/DN-Circuit Failure (2)
B1668 Driver Mirror RT/LT-Circuit Failure (2)
B1669 Passenger Mirror UP/DN-Circuit Failure (2)
B1670 Passenger Mirror RT/LF-Circuit Failure (2)
B1676 Battery Voltage-Out Of Range (3)
B1697 Driver/Passenger Mirror SW-Short To B+ (2)
B1703 Driver Seat REC FWD SW-Short To B+ (3)
B1707 Driver Seat Up SW-Short To B+ (3)
B1711 Driver Front Seat Up SW-Short To B+ (3)
B1715 Driver Front Seat Down SW-Short To B+ (3)
B1719 Driver Seat FWD SW-Short To B+ (3)
B1723 Driver Seat RWD SW-Short To B+ (3)
B1727 Driver Seat RWD SW-Short To B+ (3)
B1731 Driver Seat Rear DN SW-Short To B+ (3)
B1735 Driver Mirror Vertical SW-Short To B+ (3)
B1739 Driver Mirror Horz Sw-Short To B+ (2)
B1743 PSGR Mirror Vertical Sw-Short To B+ (2)
B1747 PSGR Mirror HORZ SW-Short To B+ (2)
B1751 Park/Neutral SW-Short To B+ (2)
B1952 Rear Seat UP/DN FDBK-Short To B+ (3)
B1953 Rear Seat UP/DN FDBK-Short To GND (3)
B1956 Front Seat UP/DN FDBK-Short To B+ (3)
B1957 Front Seat UP/DN FDBK-Short To GND (3)
B1960 Seat Recline FWD/BWD FDBK-Short To B+ (3)
B1961 Seat Recline FWD/BWD FDBK-Short To GND (3)
B1964 Seat HORZ FWD/RWD FDBK-Short To B+ (3)
B1965 Seat HORZ FWD/RWD FDBK-Short To GND (3)
U1256 No ISO-9141 Acknowledgment After 5 Retries (3)
(1) Record all DTC's. Clear DTC's. Repeat On Demand Self Test. If DTC B1342 returns, replace Driver Seat Module.
(2) See appropriate POWER MIRRORS article in ACCESSORIES & EQUIPMENT.
(3) See appropriate POWER SEATS article in ACCESSORIES & EQUIPMENT.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (EATC) MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1249 Blend Door Failure (1)
B1251 A/C In Car Temp Sensor-Open Circuit (1)
B1253 A/C In Car Temp Sensor-Short To Ground (1)
B1255 A/C Ambient Temp Sensor-Open Circuit (1)
B1257 A/C Ambient Temp Sensor-Short To Ground (1)
B1260 A/C SOLR Radiation Sensor-Short To B+ (1)
B1261 A/C SOLR Radiation Sensor-Short To Ground (1)
B1342 ECU Defective (2)
U1073 Engine Coolant Temperature Signal Missing (3)
U1341 Vehicle Speed Low Resolution Signal Missing (4)
(1) See AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING SERVICE & REPAIR. Perform the Self-Diagnostic Test.
(2) Record all DTC's. Clear all DTC's. Repeat On-Demand Self Test. If DTC B1342 is retrieved, replace EATC module.
(3) Clear DTC. Place ignition switch in RUN position. Wait 1 minute. Retrieve all continuous DTC's. If DTC reappears in retrieved list, refer to DIAGNOSTIC TROUBLE CODE (DTC) REFERENCE CHART in TESTS W/CODES - 4.6L in ENGINE PERFORMANCE.
(4) Clear DTC. Turn ignition switch to ON position. Wait 1 minute. Retrieve continuous DTC's. If DTC reappears in retrieved list, refer to DIAGNOSTIC TROUBLE CODE (DTC) REFERENCE CHART in TESTS W/CODES - 4.6L in ENGINE PERFORMANCE.
FUEL INDICATION MODULE (FIM) DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1219 Fuel Tank Pressure Sensor Circuit Failure (1)
B1220 Fuel Tank Pressure Sensor Circuit Short To Battery (1)
B1222 Fuel Temperature #1 Circuit Failure (1)
B1223 Fuel Temperature #1 Circuit Open (1)
B1224 Fuel Temperature #1 Circuit Short To Battery (1)
B1225 Fuel Temperature #1 Circuit Short To Ground (1)
B1226 Fuel Temperature #2 Circuit Failure (1)
B1227 Fuel Temperature #2 Circuit Open (1)
B1228 Fuel Temperature #2 Circuit Short To Battery (1)
B1229 Fuel Temperature #2 Circuit Short To Ground (1)
B1317 Battery Voltage High (1)
B1318 Battery Voltage Low (1)
B1342 ECU Circuit Failure (1)
(1) See appropriate ANALOG INSTRUMENT PANEL article in ACCESSORIES & EQUIPMENT.
INTEGRATED AIR BAG MONITOR (IABM) DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1342 Internal Microprocessor Fault (Retrieved Only During On-Demand Self Test) (1)
B1867 Lost Battery Feed Or Low Battery Feed Voltage (1)
B1869 No Air Bag Indicator-Inoperative Indicator Circuit (1)
B1913 Air Bag Driver/Passenger Circuit Short To Ground (1)
B1914 Primary Crash Sensors Circuit Short To Ground (1)
B1921 Air Bag Diagnostic Monitor Ground Circuit Open Or Not Mounted To Vehicle Properly (1)
B1922 Safing Sensor Output Circuit Short To Battery Voltage (1)
B1923 Memory Clear Circuit Improperly Grounded (1)
B1924 System Disarm Failure Or Internal Diagnostic Monitor (1)
B1932 Driver Side Air Bag High Resistance Or Open (1)
B1933 Passenger Side Air Bag Circuit High Resistance Or Open (1)
B1934 Driver Side Air Bag Circuit Low Resistance Or Shorted (1)
B1935 Passenger Side Circuit Low Resistance or Shorted (1)
B1941 RH Primary Crash Sensor Feed/Return Circuit Open (1)
B1942 LH Primary Crash Sensor Feed/Return Circuit Open (1)
B1944 RH Primary Crash Sensor Not Mounted To Vehicle Properly Or Ground Circuit Open (1)
B1945 LH Primary Crash Sensor Not Mounted To Vehicle Properly Or Ground Circuit Open (1)
(1) See AIR BAG RESTRAINT SYSTEM - Crown Victoria, Grand Marquis & Town Car in ACCESSORIES & EQUIPMENT.
LIGHTING CONTROL MODULE (LCM) DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Action
B1312 Headlamp Input-Short To B+ (1)
B1317 Battery Voltage-High (1)
B1318 Battery Voltage-Low (1)
B1322 LF Door Ajar-Short To GND (1)
B1334 Decklid Ajar-Short To GND (1)
B1340 Chime Input Request-Short To Ground (1)
B1345 Heated Backlite Input-Short To Ground (1)
B1352 Ignition Key-In-Circuit Failure (1)
B1359 Ignition Run/Accy-Circuit Failure (1)
B1396 Power Door Lock-Short To B+ (1)
B1397 Power Door Unlock-Short To B+ (1)
B1445 Door Handle Switch-Short To Ground (1)
B1462 Seat Belt Switch-Circuit Failure (1)
B1491 Ignition Cylinder Sensor-Circuit Failure (1)
B1498 Decklid Punch-Out-Short To Ground (1)
B1522 Hood Switch-Short To Ground (1)
B1555 Hood Switch-Short To Ground (1)
B1562 Door Lock Cylinder-Short To Ground (1)
B1566 Door Ajar-Short To Ground (1)
B1577 Park Lamp Input-Short To B+ (1)
B1581 Dimmer Increase-Circuit Short To B+ (1)
B1687 Dome Lamp Input-Short To B+ (1)
B1689 Autolamp Delay-Circuit Failure (1)
B1692 Autolamp Delay-Short To Ground (1)
B1693 Autolamp On-Circuit Failure (1)
B1695 Autolamp On-Short To B+ (1)
B1873 Turn Signal/Hazard Power Feed-Short To Ground (1)
B1342 ECU Defective (2)
(1) See appropriate AUTOLAMP SYSTEM article in ACCESSORIES & EQUIPMENT.
(2) Record all DTC's. Clear all DTC's. Repeat On-Demand Self Test.
LIGHTING CONTROL MODULE (LCM) WIGGLE TEST DIAGNOSTIC TROUBLE CODE INDEX

DTC Description
B1300 Power Door Lock-Circuit Failure
B1310 Power Door Unlock-Circuit Failure
B1319 LF Door Ajar-Circuit Failure
B1331 Decklid Ajar Rear Door-Circuit Failure
B1343 Heated Backlite Input-Circuit Failure
B1354 Ignition Key In-Short To Ground
B1361 Ignition Run/Accy-Short To B+
B1430 Seat Belt Switch-Circuit Failure
B1442 Door Handle Switch-Circuit Failure
B1468 Chime Input Request-Circuit Failure
B1470 Headlamp Input-Circuit Failure
B1495 Decklid Punch-Out-Circuit Failure
B1519 Hood Switch-Short To Ground
B1557 Ignition Run/Start-Short To B+
B1559 Door Lock Cylinder-Circuit Failure
B1563 Door Ajar-Circuit Failure
B1575 Park Lamp Input-Circuit Failure
B1579 Dimmer Increase-Circuit Failure
B1583 Dimmer Decrease-Circuit Failure
B1677 Panic Alarm Input-Circuit Failure
B1685 Dome Lamp Input-Circuit Failure
B1790 Autolamp Sensor Input-Circuit Failure
B1792 Autolamp Sensor Input-Short To B+
B1872 Turn Signal/Hazard Power Feed-Short To B+
scientia non olet · About LEMON Manuals