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Diagnostic Trouble Code (DTC) Definitions

WARNING: This page is about a different car, the 1997 Ford Ranger and 1997 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Aerostar DTC definition tables were not available from manufacturer.
AIR BAG DIAGNOSTIC MONITOR DTC DEFINITIONS

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

DTC Source Module (1) Description
B1317 ABS Battery Voltage High
B1318 ABS Battery Voltage Low
B1432 ABS ECU Defective
C1095 ABS Hydraulic Pump Motor Circuit Failure
C1096 ABS Hydraulic Pump Motor Circuit
C1101 ABS Hydraulic Valve Circuit Failure
C1102 ABS Acceleration Switch Circuit Failure
C1145 ABS Right Front Wheel Speed Sensor Input Circuit Failure
C1148 ABS Right Front Wheel Speed Sensor Coherency Fault
C1155 ABS Left Front Wheel Speed Sensor Input Circuit Failure
C1158 ABS Left Front Wheel Speed Sensor Coherency Fault
C1194 ABS Left Front Outlet Valve Coil Circuit Failure
C1198 ABS Left Front Inlet Valve Coil Circuit Failure
C1202 ABS Rear Outlet Valve Coil Circuit Failure
C1206 ABS Rear Inlet Valve Coil Circuit Failure
C1210 ABS Right Front Outlet Valve Coil Circuit Failure
C1214 ABS Right Front Inlet Valve Coil Circuit Failure
C1229 ABS Rear Wheel Speed Sensor Coherency Fault
C1230 ABS Rear Wheel Speed Sensor Input Circuit Failure
C1233 ABS Left Front Wheel Speed Sensor Input Missing (Long Term)
C1234 ABS Right Front Wheel Speed Sensor Input Missing (Long Term)
C1237 ABS Rear Wheel Speed Sensor Input Missing (Long Term)
C1258 ABS Left Front Wheel Speed Sensor Wheel Speed Comparison Fault
C1259 ABS Right Front Wheel Speed Sensor Wheel Speed Comparison Fault
C1260 ABS Rear Wheel Speed Sensor Wheel Speed Comparison Fault
(1) See BRAKES - ANTI-LOCK article in BRAKES section for testing procedures.
GENERIC ELECTRONIC MODULE (GEM) DTC DEFINITIONS

DTC Source Module Description
B1302 GEM (1) Accessory Delay Relay Coil Circuit Failure
B1304 GEM (1) Accessory Delay Relay Coil Circuit Short To Battery
B1314 GEM (2) Battery Saver Relay Coil Circuit Open
B1315 GEM (2) Battery Saver Relay Coil Circuit Short To Battery
B1316 GEM (2) Battery Saver Relay Coil Circuit Short To Ground
B1317 GEM (3) Battery Voltage High
B1318 GEM (3) Battery Voltage Low
B1322 GEM (2)(4) Left Front 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 (2)(4) Right Front Door Open Warning Light Switch Circuit Short To Ground
B1334 GEM (2)(4) Deck Lid Door Open Warning Light Switch Circuit Short To Ground
B1340 GEM (4) Chime Input Request 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
B1371 GEM (2) Illuminated Entry Relay Circuit Failure
B1373 GEM (2) Illuminated Entry Relay 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
B1404 GEM (1) Power Window Left Down Circuit Short Open
B1405 GEM (1) Power Window Left Down Circuit Short To Battery
B1408 GEM (1) Power Window Left Up Circuit Short To Battery
B1410 GEM (1) Power Window Left Motor Circuit Failure
B1426 GEM (4) Seat Belt Light Circuit Short To Battery
B1428 GEM (4) Seat Belt Light Circuit Failure
B1431 GEM (7) Wiper Brake/Run Relay Circuit Failure
B1432 GEM (7) Wiper Brake/Run Relay Circuit Short To Battery
B1434 GEM (7) Wiper Speed Relay Coil Circuit Failure
B1436 GEM (7) Wiper Speed Relay Coil Circuit Short To Battery
B1438 GEM (7) Wiper Mode Select Switch Circuit Failure
B1441 GEM (7) Wiper Mode Select Switch Circuit Short To Ground
B1445 GEM (2) Door Handle Switch Circuit Short To Ground
B1446 GEM (7) Wiper Park Sense Circuit Failure
B1450 GEM (7) Wiper Wash/Delay Switch Circuit Failure
B1453 GEM (7) Wiper Wash/Delay Switch Circuit Short To Ground
B1458 GEM (7) Washer Pump Motor Relay Circuit Failure
B1460 GEM (7) Washer Pump Motor Relay Coil Circuit Short To Battery
B1462 GEM (4) Seat Belt Switch Circuit Failure
B1466 GEM (7) Wiper Speed Not Switching
B1467 GEM (7) Wiper Motor Hi/Low Speed Circuit Short To Battery
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)(10) Illuminated Entry Input Circuit Short To Ground
B1833 GEM (10) Door Unlock Disarm Switch Circuit Short To Ground
B1834 GEM (10) Door Unlock Disarm Output Circuit Failure
B1836 GEM (10) Door Unlock Disarm Output Circuit Short To Battery
B1838 GEM (2) Battery Saver Power Relay Circuit Failure
B1840 GEM (7) Wiper Power Circuit Failure
P0500 GEM (8) Vehicle Speed Signal Circuit Failure
P1802 GEM (8) Transmission Clutch Interlock Safety Switch Short To Battery
P1803 GEM (8) Transmission Clutch Interlock Safety Switch Short To Ground
P1804 GEM (8) 4WD High Indicator Circuit Failure
P1806 GEM (8) 4WD High Indicator Circuit Short To Battery
P1808 GEM (8) 4WD Low Indicator Circuit Failure
P1810 GEM (8) 4WD Low Indicator Circuit Short To Battery
P1812 GEM (8) 4WD Mode Select Circuit Failure
P1815 GEM (8) 4WD Mode Select Circuit Short To Ground
P1820 GEM (8) Transfer Case L2H Shift Relay Coil Circuit Failure
P1822 GEM (8) Transfer Case L2H Shift Relay Coil Circuit Short To Battery
P1824 GEM (8) 4WD Clutch Relay Circuit Failure
P1826 GEM (8) 4WD Low Clutch Relay Circuit Short To Battery
P1828 GEM (8) Transfer Case H2L Shift Relay Circuit Failure
P1830 GEM (8) Transfer Case H2L Shift Relay Circuit Short To Battery
P1838 GEM (8) Transfer Case Shift Motor Circuit Failure
P1846 GEM (8) Transfer Case Contact "A" Circuit Failure
P1850 GEM (8) Transfer Case Contact "B" Circuit Failure
P1854 GEM (8) Transfer Case Contact "C" Circuit Failure
P1858 GEM (8) Transfer Case Contact "D" Circuit Failure
(1) See POWER WINDOWS article for testing procedures.
(2) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in ILLUMINATION/INTERIOR LIGHTS article.
(3) See GENERATOR article in STARTING & CHARGING SYSTEMS for testing procedures.
(4) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in WARNING SYSTEMS article.
(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 CASES section for testing procedures.
(9) Test wiring for opens and/or shorts and repair as necessary. See wiring diagram in EXTERIOR LIGHTS article.
(10) See KEYLESS ENTRY SYSTEM - REMOTE article for testing procedures.
REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE DTC DEFINITIONS (RANGER)

DTC Source Module (1) Description
B1309 RAP Power Door Lock Circuit Shorted To Ground
B1341 RAP Power Door Unlock Circuit Shorted To Ground
B1485 RAP Brake Pedal Input Circuit Shorted To Battery
B1526 RAP Keypad Switch Circuit Shorted To Ground
B1629 RAP PRNDL Reverse Input Shorted To Battery
(1) See KEYLESS ENTRY SYSTEM - REMOTE article for testing procedures.
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