Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1998 Ford Taurus SHOFACTORY OEM SERVICE PROCEDURE
Remote Keyless Entry Systems DTCS
REMOTE KEYLESS ENTRY SYSTEMS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Source Module | Perform Test |
|---|---|---|
| B1300 | GEM | This DTC may also be present from GEM wiggle test. Power Door Lock Circuit Failure |
| B1302 | GEM | Delayed Accessory Relay Coil Circuit Failure |
| B1304 | GEM | Delayed Accessory Relay Coil Circuit Short To Battery |
| B1309 | GEM | This DTC may also be present from GEM wiggle test. Power Door Lock Sense Circuit Short To Ground |
| B1310 | GEM | Power Door Unlock Circuit Failure |
| B1314 | GEM | Battery Saver Relay Coil Circuit Open |
| B1315 | GEM | Battery Saver Relay Coil Circuit Short To Battery |
| B1316 | GEM | Battery Saver Relay Coil Circuit Short To Ground |
| B1317 | GEM | This DTC may also be present from GEM wiggle test. Battery Voltage High |
| B1318 | GEM | This DTC may also be present from GEM wiggle test. Battery Voltage Low |
| B1319 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Ajar Circuit Failure |
| B1322 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Ajar Circuit Short To Ground |
| B1323 | GEM | Door Ajar Light Circuit Failure |
| B1325 | GEM | Door Ajar Light Circuit Short To Battery |
| B1327 | GEM | This DTC may also be present from GEM wiggle test. Passenger Door Ajar Circuit Failure |
| B1330 | GEM | This DTC may also be present from GEM wiggle test. Passenger Door Ajar Circuit Short To Ground |
| B1331 | GEM | This DTC may also be present from GEM wiggle test. Decklid Ajar Rear Door Circuit Failure |
| B1334 | GEM | This DTC may also be present from GEM wiggle test. Decklid Ajar Rear Door Circuit Short To Ground |
| B1335 | GEM | This DTC may also be present from GEM wiggle test. Right Rear Door Ajar Circuit Short To Ground |
| B1338 | GEM | This DTC may also be present from GEM wiggle test. Right rear Door Ajar Circuit Short To Ground |
| B1342 | GEM | Clear DTCs. Retrieve DTCs. If DTC B1342 is retrieved, replace GEM and retest system operation. ECU Failure |
| B1343 | GEM | This DTC may also be present from GEM wiggle test. Heated Backlite Input Circuit Failure |
| B1345 | GEM | This DTC may also be present from GEM wiggle test. Heated Backlite Input Circuit Short To Ground |
| B1347 | GEM | Heated Backlite Relay Circuit Failure |
| B1349 | GEM | Heated Backlite Relay Circuit Short To Battery |
| B1352 | GEM | This DTC may also be present from GEM wiggle test. Ignition Key-In Circuit Failure |
| B1354 | GEM | This DTC may also be present from GEM wiggle test. Ignition Key-In Circuit Short To Ground |
| B1359 | GEM | This DTC may also be present from GEM wiggle test. Ignition RUN/ACC Circuit Failure |
| B1361 | GEM | This DTC may also be present from GEM wiggle test. Ignition RUN/ACC Circuit Short To Battery |
| B1363 | GEM | This DTC may also be present from GEM wiggle test.Ignition Start Circuit Failure |
| B1365 | GEM | This DTC may also be present from GEM wiggle test. Ignition Start Circuit Short To Battery |
| B1371 | GEM | Illuminated Entry Relay Circuit Failure |
| B1373 | GEM | Illuminated Entry Relay Short To Battery |
| B1397 | GEM | Power Door Unlock Circuit Short To Battery |
| B1398 | GEM | Driver Door Window One Touch Relay Circuit Failure |
| B1400 | GEM | Driver Door Window One Touch Relay Circuit Short To Battery |
| B1402 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Window Down Switch Circuit Failure |
| B1403 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Window Up Switch Circuit Failure |
| B1405 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Window Down Circuit Short To Battery |
| B1408 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Window Up Circuit Short To Battery |
| B1410 | GEM | This DTC may also be present from GEM wiggle test. Driver Door Window Motor Circuit Failure |
| B1426 | GEM | Seat Belt Light Circuit Short To Battery |
| B1428 | GEM | Seat Belt Lamp Circuit Failure |
| B1430 | GEM | This DTC may also be present from GEM wiggle test. Seat Belt Switch Circuit Short To Ground |
| B1432 | GEM | Wiper Brake/Run Relay Circuit Short To Battery |
| B1433 | GEM | Wiper Brake/Run Relay Circuit Short To Ground |
| B1434 | GEM | Wiper HI/LO Speed Relay Coil Circuit Failure |
| B1436 | GEM | Wiper HI/LO Speed Relay Coil Circuit Short To Battery |
| B1438 | GEM | This DTC may also be present from GEM wiggle test. Wiper Mode Select Switch Circuit Failure |
| B1441 | GEM | This DTC may also be present from GEM wiggle test. Wiper Mode Select Switch Circuit Short To Ground |
| B1446 | GEM | This DTC may also be present from GEM wiggle test. Wiper Park Sense Circuit Failure |
| B1448 | GEM | This DTC may also be present from GEM wiggle test. Wiper Park Sense Circuit Short To Battery |
| B1450 | GEM | This DTC may also be present from GEM wiggle test. Wiper/Washer Delay Switch Circuit Failure |
| B1453 | GEM | This DTC may also be present from GEM wiggle test. Wiper/Washer Delay Switch Circuit Short To Ground |
| B1458 | GEM | Wiper/Washer Pump Motor Relay Circuit Failure |
| B1460 | GEM | Wiper Washer Pump Motor Relay Coil Circuit Short To Battery |
| B1462 | GEM | This DTC may also be present from GEM wiggle test. Seat Belt Switch Circuit Failure |
| B1465 | GEM | Wiper Brake/Run Relay Circuit Open |
| B1466 | GEM | Wiper HI/LO Speed Not Switching |
| B1473 | GEM | Wiper Motor Low Speed Circuit Failure |
| B1474 | GEM | Battery Saver Power Relay Circuit Short To Battery |
| B1475 | GEM | Delayed Accessory Relay Contact Short To Battery |
| B1476 | GEM | Wiper Motor High Speed Circuit Failure |
| B1555 | GEM | This DTC may also be present from GEM wiggle test. Ignition RUN/START Circuit Failure |
| B1557 | GEM | This DTC may also be present from GEM wiggle test. Ignition RUN/START Circuit Short To Battery |
| B1571 | GEM | This DTC may also be present from GEM wiggle test. Left Rear Door Ajar Circuit Failure |
| B1574 | GEM | This DTC may also be present from GEM wiggle test. Left Rear Door Ajar Circuit Short To Ground |
| B1575 | GEM | This DTC may also be present from GEM wiggle test. Parking Light Input Circuit Failure |
| B1577 | GEM | This DTC may also be present from GEM wiggle test. Parking Light Input Circuit Short To Battery |
| B1607 | GEM | This DTC may also be present from GEM wiggle test. Illuminated Entry Input Circuit Failure |
| B1610 | GEM | This DTC may also be present from GEM wiggle test. Illuminated Entry Input Circuit Short To Ground |
| B1830 | GEM | This DTC may also be present from GEM wiggle test. Door Unlock/Disarm Switch Circuit Failure |
| B1833 | GEM | This DTC may also be present from GEM wiggle test. Door Unlock/Disarm Switch Circuit Short To Ground |
| B1834 | GEM | Door Unlock/Disarm Switch Output Circuit Failure |
| B1836 | GEM | Door Unlock/Disarm Switch Output Circuit Short To Battery |
| B1838 | GEM | Battery Saver Power Relay Circuit Failure |
| B1840 | GEM | Front Wiper Power Circuit Failure |
| C1898 | GEM | This DTC may also be present from GEM wiggle test. VAPS II Circuit Open |
| C1899 | GEM | This DTC may also be present from GEM wiggle test. VAPS II Circuit Short To Battery |
| C1928 | GEM | VAPS II Solenoid Actuator Return Circuit Short To Ground |
| P1881 | GEM | Low Coolant Switch Input Circuit Failure |
| P1882 | GEM | Engine Coolant Level Switch Circuit Short To Ground |
| P1883 | GEM | Engine Coolant Level Light Circuit Failure |
| P1884 | GEM | Engine Coolant Level Light Circuit Short To Battery |
REMOTE ANTI-THEFT PERSONALITY (RAP) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1485 | Brake Pedal Input Short To Battery | TEST H |
| B1526 | Keypad Short To Ground (Any Circuit) | TEST C |
| B1629 | Transmission Reverse Input Short To Battery | TEST H |
| B2425 | Remote Keyless Entry Out Of Synchronization | TEST D |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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