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Diagnostic Trouble Code (DTC) Definitions

WARNING: This page is about a different car, the 1997 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
AIR BAG DIAGNOSTIC MONITOR DTC DEFINITIONS

DTC Source Module Description
B1342 AIR BAG (1) ECU Defective
B1867 AIR BAG (1) Lost Or Low Battery Voltage
B1869 AIR BAG (1) Inoperative Air Bag Indicator
B1913 AIR BAG (1) Air Bag Circuit Shorted To Ground
B1914 AIR BAG (1) Air Bag Sensor Circuit Shorted To Ground
B1921 AIR BAG (1) Faulty Air Bag Monitor Ground/Improper Mounting
B1922 AIR BAG (1) Safing Sensor Output Circuit Shorted to Voltage
B1923 AIR BAG (1) Memory Clear Circuit Improperly Grounded
B1924 AIR BAG (1) System Disarm Failure/Internal Air Bag Monitor Fault
B1932 AIR BAG (1) High Resistance Or Open In Driver's Side Air Bag Circuit
B1933 AIR BAG (1) High Resistance Or Open In Passenger's Side Air Bag Circuit
B1934 AIR BAG (1) Low Resistance Or Short In Driver's Side Air Bag Circuit
B1935 AIR BAG (1) Low Resistance Or Short In Passenger's Side Air Bag Circuit
B1941 AIR BAG (1) Right Crash Sensor Feed/Return Circuit Open
B1942 AIR BAG (1) Left Crash Sensor Feed/Return Circuit Open
B1944 AIR BAG (1) Faulty Right Crash Sensor Ground/Improper Mounting
B1945 AIR BAG (1) Faulty Left Crash Sensor Ground/Improper Mounting
(1) See AIR BAG RESTRAINT SYSTEM article for testing procedures.
GENERIC ELECTRONIC MODULE (GEM) DTC DEFINITIONS

DTC Source Module Description
B1302 GEM (1) Accessory Delay Relay Coil Circuit Open Or Short To Ground
B1304 GEM (1) Accessory Delay Relay Coil Circuit Open Or Short To Battery
B1313 GEM (1) Battery Saver Relay Coil Circuit Failure
B1315 GEM (1) Battery Saver Relay Coil Circuit Short To Voltage
B1317 GEM (2) Battery Voltage High
B1318 GEM (2) Battery Voltage Low
B1322 GEM (3)(4) Left Door Open Warning Light Switch Circuit Short To Ground
B1323 GEM (4) Door Ajar Light Output Circuit Failure
B1325 GEM (4) Door Ajar Light Output Short To Battery
B1330 GEM (3)(4) Right Door Open Warning Light Switch Circuit Short To Ground
B1342 GEM (5) ECU Defective
B1352 GEM (4)(6) Ignition Key-In Circuit Failure
B1355 GEM (6) Ignition Run Circuit Failure
B1359 GEM (6) Ignition Run/ACC Circuit Failure
B1365 GEM (6) Ignition Start Circuit Short To Battery
B1373 GEM (3) Interior Light Relay Coil Circuit Short To Battery
B1398 GEM (1) Power Window One-Touch Window Relay Circuit Failure
B1400 GEM (1) Power Window One-Touch Window Relay Coil Circuit Short To Battery
B1405 GEM (1) Power Window Left Down Switch Input Circuit Short To Battery
B1408 GEM (1) Power Window Left Up Switch Input Circuit Short To Battery
B1410 GEM (1) Power Window Left Motor Circuit Failure
B1426 GEM (4) Seat Belt Light Output Circuit Short To Battery
B1428 GEM (4) Seat Belt Light Output Circuit Failure
B1431 GEM (7) Wiper Run/Park Relay Coil Open Or Short To Ground
B1432 GEM (7) Wiper Run/Park Relay Coil Short To Battery
B1434 GEM (7) Wiper Hi/Low Relay Coil Open Or Short To Ground
B1436 GEM (7) Wiper Hi/Low Relay Circuit Short To Battery
B1438 GEM (7) Wiper/Washer Switch Input Circuit Failure
B1441 GEM (7) Wiper/Washer Switch Input Short To Ground
B1445 GEM (3) Interior Light Handle Switch Circuit Short To Ground
B1446 GEM (7) Wiper Park Sense Circuit Open
B1450 GEM (7) Wiper Interval Delay Switch Input Circuit Failure
B1453 GEM (7) Wiper Interval Delay Switch Input Short To Ground
B1458 GEM (7) Washer Pump Relay Coil Open Or Short To Ground
B1460 GEM (7) Washer Pump Relay Coil Short To Battery
B1462 GEM (4) Seat Belt Switch Circuit Failure
B1466 GEM (7) Wiper Speed Not Switching
B1473 GEM (7) Wiper Motor Low Speed Circuit Failure
B1475 GEM (7) Delayed Accessory Relay Contacts Short To Battery
B1476 GEM (7) Wiper Motor High Speed Circuit Failure
B1483 GEM (8) Brake Pedal Input Circuit Failure
B1485 GEM (8) Brake Pedal Input Circuit Short To Battery
B1577 GEM (9) Park/Headlight Light Input Circuit Short To Battery
B1610 GEM (2) Illuminated Entry Input Request Circuit Short To Ground
B1840 GEM (7) Wiper Power Circuit Open
P0500 GEM (8) Vehicle Speed Signal Circuit Failure
P1804 GEM (8) Transmission 4WD High Indicator Circuit Failure
P1806 GEM (8) Transmission 4WD High Indicator Short To Battery
P1808 GEM (8) Transmission 4WD Low Indicator Circuit Failure
P1810 GEM (8) Transmission 4WD Low Indicator Short To Battery
P1812 GEM (8) Transmission 4WD Mode Select Circuit Failure
P1815 GEM (8) Transmission 4WD Mode Select Short To Ground
P1820 GEM (8) Transfer Case Clockwise Shift Relay Coil Circuit Failure
P1822 GEM (8) Transfer Case Clockwise Shift Relay Coil Short To Battery
P1824 GEM (8) Transmission 4WD Clutch Relay Circuit Failure
P1826 GEM (8) Transmission 4WD Clutch Relay Short To Battery
P1828 GEM (8) Transfer Case Counterclockwise Shift Relay Circuit Failure
P1830 GEM (8) Transfer Case Counterclockwise Shift Relay Coil Short To Battery
P1832 GEM (8) Transfer Case 4WD Solenoid Circuit Failure
P1834 GEM (8) Transfer Case 4WD Solenoid Short To Battery
P1838 GEM (8) Transfer Case Shift Motor Circuit
P1846 GEM (8) Transfer Case Contact Plate "A" Open Circuit
P1850 GEM (8) Transfer Case Contact Plate "B" Open Circuit
P1854 GEM (8) Transfer Case Contact Plate "C" Open Circuit
P1858 GEM (8) Transfer Case Contact Plate "D" Open Circuit
P1866 GEM (8) Transfer Case System Concern Servicing Required
P1867 GEM (8) Transfer Case Contact Plate General Circuit Failure
P1876 GEM (8) Transfer Case 2WD Solenoid Circuit Failure
P1877 GEM (8) Transfer Case 2WD Solenoid Short To Battery
P1891 GEM (8) Transfer Case Contact Plate Ground Return Open Circuit
(1) See POWER WINDOWS article for testing procedures.
(2) See GENERATOR - MOTORCRAFT article in ELECTRICAL section for testing procedures.
(3) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in
(4) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in SYSTEM WIRING DIAGRAMS article in WIRING DIAGRAMS section.
(5) Replace Generic Electronic Module (GEM).
(6) See STEERING COLUMN SWITCHES article for testing procedures.
(7) See WIPER/WASHER SYSTEM article for testing procedures.
(8) See TRANSFER CASE article in TRANSFER CASE section.
(9) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in SYSTEM WIRING DIAGRAMS article in WIRING DIAGRAMS section.
4-WHEEL ANTI-LOCK BRAKE SYSTEM (4WABS) CONTROL MODULE DTC DEFINITIONS

DTC Source Module Description
B1342 ABS (1) ECU Defective
C1095/C1096 4WABS (1) Pump Motor
C1113/C1115 4WABS (1) Internal Power Relay
C1141 4WABS (1) Bad Or Missing Signal From Left Front Wheel Speed Sensor
C1142 4WABS (1) Bad Or Missing Signal From Right Front Wheel Speed Sensor
C1143 4WABS (1) Bad Or Missing Signal From From Rear Wheel Speed Sensor
C1145 4WABS (1) Right Front Wheel Speed Sensor Input Circuit Failure
C1148/C1234 4WABS (1) Right Front Wheel Speed Sensor (Dynamic)
C1155 4WABS (1) Left Front Wheel Speed Sensor Input Circuit Failure
C1158/C1233 4WABS (1) Left Front Wheel Speed Sensor (Dynamic)
C1169 4WABS (1) Excessive Dump Time
C1184 4WABS (1) 4WABS Timeout
C1185 4WABS (1) Open Internal Power Relay
C1194/C1196 4WABS (1) Left Front Dump Valve Failure
C1198/C1200 4WABS (1) Left Front ISO Valve Failure
C1202/C1204 4WABS (1) Rear Dump Valve Failure
C1206/C1208 4WABS (1) Rear ISO Valve Failure
C1210/C1212 4WABS (1) Right Front Dump Valve Failure
C1214/C1216 4WABS (1) Right Front ISO Valve Failure
C1220 4WABS (1) ABS Warning Indicator Failure
C1222 4WABS (1) Wheel Speed Error
C1225/C1226 4WABS (1) Red Brake Warning Indicator Failure
C1229/C1237 4WABS (1) Rear Wheel Speed Sensor (Dynamic)
C1230 4WABS (1) Rear Wheel Speed Sensor Input Input Circuit Failure
C1259 4WABS (1) Right Front Wheel Speed Sensor Wheel Speed Comparison Fault
C1260 4WABS (1) Rear Wheel Speed Sensor Wheel Speed Comparison Fault
C1265 4WABS (1) Shorted Red Brake Light Relay
(1) See BRAKES - ANTI-LOCK article in BRAKES section.
REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE DTC DEFINITIONS

DTC Source Module Description
B1309 RAP (1) Power Door Lock - Circuit Short To Ground
B1341 RAP (1) Power Door Unlock - Circuit Short To Ground
B1485 RAP (1) Brake Pedal - Circuit Short To Voltage
B1562 RAP (2) Door Lock Cylinder - Circuit Short To Ground
B1629 RAP (1) Gearshift Indicator - Circuit Short To Voltage
B1845 RAP (2) Ignition Lock Anti - Theft Switch
(1) See KEYLESS ENTRY SYSTEM - REMOTE article for testing procedures.
(2) See ANTI-THEFT SYSTEM article for testing procedures.
POWERTRAIN CONTROL MODULE (PCM) DTC DEFINITIONS

DTC Source Module Description
Any DTC With "P" Prefix PCM (1)
(1) For testing procedure on any DTC starting with the prefix of P", such as P0102, see TESTS W/CODES - EEC-V article in ENGINE PERFORMANCE section.
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