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Diagnostic Trouble Code Definitions

WARNING: This page is about a different car, the 2002 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE INDEX (ABS CONTROL MODULE)

DTC Description Perform Test
B1342 ABC Control Module Internal Failure (1)
B1676 Battery Voltage Out Of Range (2)
C1095 ABS Hydraulic Pump Motor Circuit Failure (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)
C1233 Left Front ABS Sensor Input Signal Missing (2)
C1234 Right Front ABS Sensor Input Signal Missing (2)
C1235 Right Rear ABS Sensor Input Signal Missing (2)
C1236 Left Rear ABS Sensor Input Signal Missing (2)
C1267 ABS Functions Temporarily Disabled (2)
C1279 Yaw Rate Sensor Circuit Failure (3)
C1280 Yaw Rate Sensor Signal Fault (3)
C1281 Accelerometer Circuit Fault (3)
C1282 Accelerometer Signal Fault (3)
C1285 Booster Solenoid Circuit Failure (3)
C1286 Booster Mechanical Failure (3)
C1287 Booster Pedal Force Switch Circuit Failure (3)
C1288 Pressure Transducer Main/Primary Input Circuit Failure (3)
C1289 Pressure Transducer Redundant/Secondary Input Circuit Failure (3)
C1440 Pressure Transducer Main/Primary Signal Fault (3)
C1730 Reference Voltage Out Of Range (+5 Volts) (3)
(1) Clear DTCs. Repeat self-test. If code is retrieved again, replace ABS control module.
(2) Repair ABS. See appropriate ANTI-LOCK article in BRAKES.
(3) Repair ESP. See appropriate TRACTION CONTROL article in BRAKES.
DIAGNOSTIC TROUBLE CODE INDEX (GEM)

DTC Description Perform Test
B1244 Wiper Rear Motor Run Relay Circuit Failure (1)
B1245 Wiper Rear Motor Run Relay Circuit Short To Battery (1)
B1300 Power Door Lock Circuit Failure (2)
B1309 Power Door Lock Circuit Short To Ground (2)
B1310 Power Door Unlock Circuit Failure (2)
B1315 Battery Saver Relay Coil Circuit Short To Ground (3)
B1319 Drivers Door Ajar Circuit Failure (3)
B1325 Door Ajar Lamp Circuit Short To Battery (3)
B1326 Door Ajar Lamp Circuit Short To Ground (3)
B1327 Passenger Door Ajar Circuit Failure (3)
B1331 Decklid Ajar Rear Door Circuit Failure (3)
B1335 Door Ajar Rear Door Circuit Failure (3)
B1341 Power Door Unlock Circuit Short To Ground (2)
B1342 ECU Defective (4)
B1343 Heated Back Light Input Circuit Failure (5)
B1349 Heated Back Light Relay Short To Battery (5)
B1350 Heated Back Light Relay Short To Ground (5)
B1352 Ignition Key-In Circuit Failure (6)
B1426 Lamp Seat Belt Circuit Short To Battery (7)
B1428 Lamp Seat Belt Circuit Failure (7)
B1438 Wiper Mode Select Switch Circuit Failure (1)
B1446 Wiper Park Sense Circuit Failure (1)
B1451 Wiper Wash/Delay Switch Circuit Failure (1)
B1470 Lamp Headlamp Input Circuit Failure (8)
B1499 Lamp Turn Signal Left Circuit Failure (8)
B1503 Lamp Turn Signal Right Circuit Failure (8)
B1519 Hood Switch Circuit Failure (9)
B1549 Power Window Master Short To Battery (10)
B1550 Power Window Master Short To Ground (10)
B1551 Decklid Release Circuit Failure (2)
B1553 Decklid Release Circuit Short To Battery (2)
B1554 Decklid Release Circuit Short To Ground (2)
B1571 Door Ajar LR Circuit Failure (3)
B1611 Wiper Rear Mode Select Switch Failure (1)
B1810 Lamp Bracket Switch Input Circuit Failure (8)
B1875 Turn Signal/Hazard Switch Signal Circuit Failure (8)
B2107 Front Wiper Motor Relay Circuit Short To Battery (1)
B2108 Trunk Key Cylinder Switch Failure (9)
B2110 Front Wiper Motor Relay Circuit Open (1)
B2112 Driver Door Set Switch Circuit Failure (9)
B2114 Front Washer Input Short To Ground (1)
B2115 Rear Washer Input Short To Ground (1)
B2116 Driver Door Reset Switch Circuit Failure (9)
B2281 Right Turn Switch Short To Ground (8)
B2282 Left Turn Switch Short To Ground (8)
B2283 Turn Signal Chime Short To Battery (8)
B2284 Turn Signal Chime Short To Ground (8)
B2477 Module Configuration Error (11)
B2494 Horn/Panic Output Driver Short To Battery (9)
B2496 Horn/Panic Output Driver Short To Ground (9)
B2555 Lamp Dome Output Circuit Short To Battery (3)
(1) See WIPER/WASHER SYSTEMS - FOCUS article for testing procedures.
(2) See POWER DOOR LOCKS & REMOTE KEYLESS ENTRY SYSTEMS - FOCUS article for testing procedures.
(3) Repair appropriate circuit as necessary. See INTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
(4) Using NGS tester, retrieve and document all continuous DTCs. Perform Generic Electronic Module (GEM) self-test. If DTC B1342 is retrieved again, replace GEM.
(5) Repair appropriate circuit as necessary. See HEATED GLASS/DEFOGGERS article for testing procedures.
(6) Repair appropriate circuit as necessary. See WARNING SYSTEMS in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
(7) See ANALOG INSTRUMENT PANELS article for testing procedures.
(8) Repair appropriate circuit as necessary. See EXTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
(9) See ACTIVE ANTI-THEFT SYSTEMS - FOCUS article for testing procedures.
(10) See POWER WINDOWS - FOCUS article for testing procedures.
(11) Program GEM. See MODULE CONFIGURATION  under PROGRAMMING.
DIAGNOSTIC TROUBLE CODE INDEX (INSTRUMENT CLUSTER)

Scan Tool Displayed DTC Dealer Test Mode Displayed DTC Description Perform Test
B1202 9202 Fuel Sender Circuit Open (1)
B1204 9204 Fuel Sender Circuit Short To Ground (1)
B1342 9342 ECU Is Defective (2)
B1359 9359 Ignition Run/ACC Circuit Failure (3)
B2143 A143 Odometer NVM Memory Failure (1)
P1197 1197 SELECT/RESET Switch Circuit Failure (4)
(1) See ANALOG INSTRUMENT PANELS article for testing procedures.
(2) Clear DTCs and repeat self-test. If DTC B1342 is retrieved again, replace instrument cluster. See ANALOG INSTRUMENT PANELS article.
(3) See STEERING COLUMN SWITCHES article for testing procedures.
(4) Replace instrument cluster. See ANALOG INSTRUMENT PANELS article.
DIAGNOSTIC TROUBLE CODE INDEX (PCM)

DTC (1) Description Perform Test
B1213 Anti-Theft Number Of Programmed Encoded Ignition Keys Below Minimum (2)
B1342 ECU Defective (3)
B1600 No Key Code Received (4)
B1601 Incorrect Key Code Received (4)
B1602 Invalid Key Code Format (4)
B1681 Anti-Theft Transceiver Module Signal Is Not Received (4)
B2103 Antenna Not Connected (4)
B2431 Transponder Programming Failure (2)
(1) For a listing of all PCM DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
(2) Program additional key(s). See ANTI-THEFT SYSTEMS - PASSIVE article.
(3) Clear DTCs and repeat self-test. If DTC B1342 is retrieved, replace Powertrain Control Module (PCM).
(4) Repair passive anti-theft system. See ANTI-THEFT SYSTEMS - PASSIVE article.
DIAGNOSTIC TROUBLE CODE INDEX (RCM)

DTC (1) Description Perform Test
B1342 ECU Is Defective (2)
B1231 Longitudinal Acceleration Threshold Exceeded (2)
B1921 Air Bag Diagnostic Monitor Ground Circuit Open (2)
B1318 Battery Voltage Low (3)
B2141 NVM Configuration Failure (4)
B2477 Module Configuration Failure (4)
B1916 Air Bag Driver's Circuit Short To Battery (2)
B1932 Air Bag Driver's Circuit Open (2)
B1915 Air Bag Driver's Circuit Failure (2)
B1925 Air Bag Passenger's Circuit Short To Battery (2)
B1933 Air Bag Passenger's Circuit Open (2)
B1920 Air Bag Passenger's Circuit Failure (2)
B1992 Driver's Side, Side Mount Air Bag Circuit Short To VBatt (2)
B1994 Driver's Side, Side Mount Air Bag Circuit Open (2)
B2117 Driver's Side, Side Mount Air Bag Low Capacitance On Squib (2)
B1996 Passenger's Side, Side Mount Air Bag Circuit Short To VBatt (2)
B1998 Passenger's Side, Side Mount Air Bag Circuit Open (2)
B2118 Passenger's Side, Side Mount Air Bag Low Capacitance On Squib (2)
B2874 Driver's Side Crash Sensor Internal Fault (2)
B2873 Passenger's Side Crash Sensor Internal Fault (2)
B1878 Safety Belt Driver's Pretensioner Circuit Short To Battery (2)
B1877 Safety Belt Driver's Pretensioner Circuit Open (2)
B1876 Safety Belt Driver's Pretensioner Circuit Failure (2)
B1882 Safety Belt Passenger's Pretensioner Circuit Short To Battery (2)
B1881 Safety Belt Passenger's Pretensioner Circuit Open (2)
B1880 Safety Belt Passenger's Pretensioner Circuit Failure (2)
B1887 Air Bag Driver's Circuit Resistance Low Or Shorted Together (2)
B1934 Air Bag Driver's Inflator Circuit Resistance Low On Squib (2)
B1888 Air Bag Passenger's Circuit Resistance Low Or Shorted Together (2)
B1935 Air Bag Passenger's Inflator Circuit Resistance Low On Squib (2)
B1993 Driver's Side, Side Mount Air Bag Circuit Short To Ground (2)
B1995 Driver's Side, Side Mount Air Bag Low Resistance On Squib (2)
B1997 Passenger's Side, Side Mount Air Bag Circuit Short To Ground (2)
B1999 Passenger's Side, Side Mount Air Bag Low Resistance On Squib (2)
B1879 Safety Belt Driver's Pretensioner Circuit Short To Ground (2)
B1885 Safety Belt Driver's Pretensioner Circuit Resistance Low On Squib (2)
B1883 Safety Belt Passenger's Pretensioner Circuit Short To Ground (2)
B1886 Safety Belt Passenger's Pretensioner Circuit Resistance Low On Squib (2)
B1869 Lamp Air Bag Warning Indicator Circuit Open (2)
B1870 Lamp Air Bag Warning Indicator Circuit Short To Battery (2)
(1) DTCs are listed in order of importance. Repair DTCs in order listed
.
(2) Repair supplemental restraint system as necessary. See AIR BAG RESTRAINT SYSTEMS in RESTRAINTS.
(3) Repair charging system. See GENERATORS & REGULATORS article in ELECTRICAL.
(4) Configure RCM. See MODULE CONFIGURATION  under PROGRAMMING.
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