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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Mercury Grand Marquis and 2002 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
AIR SUSPENSION DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
10 Diagnostics Entered, Auto Test In Progress (1)
11 PASS Code (1)
12 Auto Test Passed, Perform Manual Input (1)
13 Auto Test Failed, Perform Manual Input (1)
15 No Drive Cycle Errors Detected (1)
16 EVO Error Code (1)
17 EVO Error Code (1)
18 EVO Error Code (1)
23 Vent Rear Function Test (1)
26 Compress Rear Function Test (1)
31 Air Compressor Relay Toggle Function Test (1)
32 Vent Solenoid Toggle Function Test (1)
33 Air Spring Solenoid Function Test (1)
35 Drive Cycle Codes Erased Okay (1)
39 Compressor Relay Circuit Shorted To Power (1)
40 Compressor Relay Control Circuit Shorted To Ground (1)
42 Air Spring Solenoid Shorted Or Blown Fuse (1)
43 Air Spring Solenoid Shorted (1)
44 Vent Solenoid Shorted (1)
45 Vent Solenoid Circuit Shorted (1)
46 Height Sensor Shorted (1)
51 No Rear Lowering Detected (1)
54 No Rear Raising Detected (1)
55 Speed More Than 15 MPH Not Detected (1)
60 Service Switch Shorted To Voltage (1)
61 Service Switch Open Or Shorted To Ground (1)
68 Height Sensor Output Short (1)
70 Replace Control Module (1)
71 Height Sensor Open (1)
72 Door Position Signal Not Detected (1)
74 EVO Error Code (1)
80 Battery Voltage Too Low To Run Diagnostics (1)
N/A Unable To Enter Self-Test (1)
(1) See appropriate ELECTRONIC article in SUSPENSION.
ANTI-LOCK BRAKE SYSTEM CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1342 ABS/TC Control Module Defective (1)
B1484 Brake Pedal Input Circuit Open (2)
B1676 Battery Voltage Out Of Range (2)
C1145 Right Front ABS Sensor Input Circuit Failure (2)
C1155 Left Front ABS Sensor Input Circuit Failure (2)
C1165 Right Rear ABS Sensor Input Circuit Failure (2)
C1175 Left Rear ABS Sensor Input Circuit Failure (2)
C1222 Mismatched Wheels Or Damaged Tone Ring (3)
C1266 ABS Valve Power Relay Circuit Failure (4)
C1296 Left Front ABS Sensor Input Signal Missing (2)
C1297 Right Front ABS Sensor Input Signal Missing (2)
C1298 Right Rear ABS Sensor Input Signal Missing (2)
C1299 Left Rear ABS Sensor Input Signal Missing (2)
C1300 ABS Hydraulic Pump Motor Circuit Failure (2)
C1805 PCM & ABS/TC Modules Do Not Match (5)
U1009 SCP Invalid/Missing Data For Engine Torque (6)
U1262 SCP Invalid/Missing Data For Traction Control (7)
(1) Using WDS or NGS tester scan tool, retrieve and document all continuous DTCs. Perform ABS control module self-test. If DTC B1342 is retrieved again, replace ABS control module. See ANTI-LOCK BRAKE CONTROL MODULE  under REMOVAL & INSTALLATION.
(2) Repair ABS concern. See appropriate ANTI-LOCK article in BRAKES.
(3) Check tires and inspect tone rings.
(4) Replace hydraulic unit.
(5) Check part numbers. Install correct module.
(6) Caused by PCM. Using scan tool, perform PCM self-test and repair powertrain control concern. See SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article in ENGINE PERFORMANCE.
(7) Perform instrument cluster self test. See INSTRUMENT CLUSTER - ELECTRONIC - CROWN VICTORIA & GRAND MARQUIS article.
AUDIO CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1342 ECU Defective (1)
B2401 Tape Deck Mechanism Fault (2)
B2402 CD/DJ Thermal Shutdown Fault (3)
B2403 CD/DJ Internal Fault (3)
B2405 Single Disc Player Thermal Shutdown Fault (4)
B2406 Single Disc Player Internal Fault (4)
U2003 CD/DJ Is Not Responding (3)
U2005 Rear Integrated Control Panel Is Not Responding (4)
U2008 Cellular Phone Is Not Responding (4)
(1) Using WDS or NGS tester scan tool, clear and document continuous DTCs. Perform ACM self-test. If DTC B1342 is retrieved again, replace ACM.
(2) Verify no tape is in tape deck. Using WDS or NGS tester scan tool, clear and document continuous DTCs. Perform ACM self-test. If DTC B2401 is retrieved again, repair or replace ACM as necessary.
(3) Repair audio system fault.
(4) DTC does not apply to this vehicle.
DRIVER'S DOOR MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1322 Driver's Door Ajar Circuit Short To Ground (1)
B1352 Ignition Key In Circuit Failure (2)
B1396 Door Lock Circuit Short To Voltage (2)
B1397 Door Unlock Circuit Short To Voltage (2)
B1526 Keyless Entry Circuit Short To Ground (2)
B1553 Decklid Release Circuit Short To Voltage (2)
B1751 Park/Neutral Switch Short To Voltage (2)
B2425 Remote Keyless Entry Out Of Synchronization (2)
(1) Perform diagnostic procedure for DTC B1322. See DIAGNOSIS & TESTING in ANTI-THEFT article.
(2) Test system. See REMOTE KEYLESS ENTRY SYSTEMS article.
ELECTRONIC AUTOMATIC TEMPERATURE CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1249 Blend Door Circuit Failure (1)
B1251 A/C In-Car Temperature Sensor Open Circuit (1)
B1253 A/C In-Car Temperature Sensor Circuit Short To Ground (1)
B1255 A/C Ambient Air Temperature Sensor Circuit Open (1)
B1257 A/C Ambient Air Temperature Sensor Circuit Short To Ground (1)
B1261 A/C Solar Radiation Sensor Circuit Short To Ground (1)
U1041 Invalid/Missing Data For Vehicle Speed (2)
U1073 Invalid/Missing Data For Engine Coolant (3)
U1222 Invalid/Missing Data For Interior Lights (4)
(1) Repair A/C system as necessary. See AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING.
(2) Repair vehicle speed sensor circuit. See appropriate SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article in ENGINE PERFORMANCE.
(3) Repair engine coolant temperature sensor circuit. See SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article in ENGINE PERFORMANCE.
(4) Repair interior lighting circuit as necessary. See INTERIOR LIGHTING article.
RESTRAINT CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC (1) Description Perform Test
N/A RCM Disconnected Or Inoperative, Or Loss Of Power Or Ground (2)
B1231 Crash Data Memory Full (2)
B1317 Battery Voltage High (3)
B1318 Battery Voltage Low (3)
B1342 RCM Defective (4)
B1869 Air Bag Warning Indicator Circuit Open (2)
B1870 Air Bag Warning Indicator Circuit Short To Voltage (2)
B1891 Air Bag Tone Warning Indicator Circuit Short To Voltage (2)
B1892 Air Bag Tone Warning Indicator Circuit Failure (2)
B1921 Air Bag Diagnostic Monitor Ground Circuit Open (2)
B2290 Occupant Classification Sensor (OCS) Circuit Fault (2)
B2292 Passenger's Pretensioner Circuit Failure (2)
B2293 Driver's Air Bag Circuit Failure (2)
B2296 Front Impact Severity Sensor Circuit Failure (2)
B2432 Driver's Seat Belt Switch Circuit Open (2)
B2433 Driver's Seat Belt Switch Circuit Short To Voltage (2)
B2434 Driver's Seat Belt Switch Circuit Short To Ground (2)
B2435 Driver's Seat Belt Switch Circuit Resistance Out Of Range (2)
B2436 Passenger's Seat Belt Switch Circuit Open (2)
B2437 Passenger's Seat Belt Switch Circuit Short To Voltage (2)
B2438 Passenger's Seat Belt Switch Circuit Short To Ground (2)
B2439 Passenger's Seat Belt Switch Circuit Resistance Out Of Range (2)
B2477 Module Configuration Fault (2)
C1414 Incorrect Vehicle Identification (2)
C1946 Seat Track Position Switch Circuit Open (2)
C1947 Seat Track Position Switch Circuit Short To Ground (2)
C1948 Seat Track Position Switch Circuit Resistance Out Of Range (2)
C1982 Seat Track Position Switch Circuit Short To Voltage (2)
(1) DTCs are listed in order of importance. Repair DTCs in order listed.
(2) Repair supplemental air bag system concern. See AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS.
(3) Check battery voltage. See GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(4) Using WDS or NGS tester scan tool, retrieve and document all continuous DTCs. Perform RCM self-test. If DTC B1342 is retrieved again, replace RCM. See RESTRAINT CONTROL MODULE  under REMOVAL & INSTALLATION.
LIGHTING CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1300 Power Door Lock Circuit Failure (1)
B1310 Power Door Unlock Circuit Failure (1)
B1312 Headlight Input Short To Battery Voltage (2)
B1317 Battery Voltage High (3)
B1318 Battery Voltage Low (3)
B1319 Driver's Door Ajar Circuit Failure (1)
B1322 Driver's Door Ajar Circuit Short To Ground (2)
B1331 Decklid Ajar Rear Door Circuit Failure (2)(4)
B1334 Decklid Ajar Rear Door Circuit Short To Ground (2)(4)
B1340 Chime Input Request Short To Ground (4)
B1342 ECU Defective (5)
B1343 Heated Rear Window Input Circuit Failure (6)
B1345 Heated Rear Window Input Circuit Short To Ground (6)
B1352 Ignition Key-In Circuit Failure (7)(4)
B1354 Ignition Key In Circuit Short To Ground (4)
B1359 Ignition RUN/ACC Input Circuit Failure (7)
B1361 Ignition RUN/ACC Input Circuit Short To Voltage (7)
B1396 Power Door Lock Circuit Short To Voltage (1)
B1397 Power Door Unlock Circuit Short To Voltage (1)
B1442 Door Handle Switch Circuit Failure (2)
B1445 Door Handle Switch Circuit Short To Ground (2)
B1462 Safety Belt Switch Circuit Failure (4)
B1464 Safety Belt Switch Circuit Short To Voltage (4)
B1468 Chime Input Request Circuit Failure (2)(4)
B1470 Headlight Input Circuit Failure (2)
B1555 Ignition RUN/START Circuit Failure (7)
B1563 Door Ajar Circuit Failure (2)
B1566 Door Ajar Circuit Short To Ground (2)
B1575 Parking Light Input Circuit Failure (2)
B1577 Parking Light Input Circuit Short To Voltage (2)
B1579 Panel Dim Increase Circuit Failure (4)
B1581 Panel Dim Increase Circuit Short To Voltage (4)
B1583 Panel Dim Decrease Input Circuit Failure (4)
B1585 Panel Dim Decrease Input Short To Voltage (4)
B1677 Alarm Panic Input Circuit Failure (1)
B1679 Alarm Panic Input Circuit Short To Voltage (1)
B1685 Dome Light Input Circuit Failure (2)
B1687 Dome Light Input Circuit Short To Voltage (2)
B1689 Autolamp Delay Circuit Failure (2)
B1692 Autolamp Delay Circuit Short To Ground (2)
B1693 Autolamp ON Circuit Failure (2)
B1695 Autolamp ON Circuit Short To Voltage (2)
B1790 Autolamp Sensor Input Circuit Failure (2)
B1792 Autolamp Sensor Input Circuit Short To Voltage (2)
B1872 Turn Signal/Hazard Power Feed Circuit Failure (2)
B1873 Turn Signal/Hazard Power Feed Circuit Short To Ground (2)
(1) Test system. See REMOTE KEYLESS ENTRY SYSTEMS article.
(2) See INTERIOR LIGHTS article.
(3) Check charging system. See GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS. If charging system is okay, check power and ground circuits to LCM. See POWER DISTRIBUTIONPOWER DISTRIBUTION in WIRING DIAGRAMS article in ELECTRICAL.
(4) Test system. See INSTRUMENT CLUSTER - ELECTRONIC - CROWN VICTORIA & GRAND MARQUIS article.
(5) Using WDS or NGS tester scan tool, retrieve and document all continuous DTCs. Perform LCM self-test. If DTC B1342 is retrieved again, replace LCM. See LIGHTING CONTROL MODULE  under REMOVAL & INSTALLATION.
(6) Test system. See REAR WINDOW DEFOGGERS - CROWN VICTORIA & GRAND MARQUIS article.
(7) Test system. See STEERING COLUMN SWITCHES article.
NATURAL GAS VEHICLE MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1219 Fuel Tank Pressure Sensor Circuit Failure (1)
B1220 Fuel Tank Pressure Sensor Circuit Short To Voltage (1)
B1222 Fuel Tank Temperature Sensor No. 1 Circuit Failure (1)
B1223 Fuel Tank Temperature Sensor No. 1 Circuit Open (1)
B1224 Fuel Tank Temperature Sensor No. 1 Circuit Short To Voltage (1)
B1225 Fuel Tank Temperature Sensor No. 1 Circuit Short To Ground (1)
B1226 Fuel Tank Temperature Sensor No. 2 Circuit Failure (1)
B1227 Fuel Tank Temperature Sensor No. 2 Circuit Open (1)
B1228 Fuel Tank Temperature Sensor No. 2 Circuit Short To Voltage (1)
B1229 Fuel Tank Temperature Sensor No. 2 Circuit Short To Ground (1)
B1317 Battery Voltage High (1)
B1318 Battery Voltage Low (1)
B1342 ECU Defective (1)
(1) Test system. See INSTRUMENT CLUSTER - CONVENTIONAL - CROWN VICTORIA & GRAND MARQUIS article.
PASSIVE ANTI-THEFT SYSTEM MODULE DIAGNOSTIC TROUBLE CODE INDEX

DTC Description Perform Test
B1213 Anti-Theft Number Of Programmed Keys Is Below Minimum (1)(2)
B1232/B2103 PATS Transceiver Antenna Not Connected Or Defective Transceiver (2)
B1600 No Key Code Received Or Damaged Encoded Ignition Key Or Use Of Non-PATS Key (2)
B1601 Unprogrammed Encoded Ignition Key (Key Format OK) (2)
B1602 Invalid Key Code Format From Ignition Key Transponder (Partial Key Read) (2)
B1681 PATS Transceiver Signal Is Not Received (2)
B2139 PCM Identification Does Not Match Between PATS & PCM (2)
B2141 No Security Identification Exchange Between PATS & PCM (2)
U1147 Faulty SCP Link Or Incorrect PCM Calibration (2)
U1262 Missing SCP Message (3)
(1) If other DTCs are also present, service them first and then recheck DTCs.
(2) Test system. See ANTI-THEFT article.
(3) Repair SCP bus communications concern. Perform TEST J: NO MODULE/NETWORK COMMUNICATIONS - SCP NETWORK  under SYSTEM TESTS.
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